Ultrasonic Anemometer

Ultrasonic Anemometer
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Ultrasonic &
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onset
WindSonic
WINDSONIC
Wind Speed & Direction Sensor
ALL WEATHER SENSING TECHNOLOGY
MAINTENANCE FREE - 2 YEAR WARRANTY
„
LOW START SPEED
„
AGRICULTURE
„
CORROSION FREE, UV STABLE MATERIAL
„
HVAC
„
NO CALIBRATION REQUIRED
„
POLLUTION CONTROL
„
ROBUST CONSTRUCTION
„
PORTABLE WEATHER STATIONS
„
TRUE 0-359º OPERATION (no dead band)
„
ROADSIDE WEATHER STATIONS
„
WIND SPEED & DIRECTION FROM A
„
TUNNELS
„
MARINE
SINGLE UNIT
www.gill.co.uk
WINDSONIC - ULTRASONIC WIND SENSOR
At last, a real low cost alternative to conventional cup/vane/
propeller wind sensors in a single unit - WindSonic from Gill
Instruments. Utilising our expertise as the world's leading
sonic manufacturer, WindSonic is based on our existing, highly
successful, proven ultrasonic technology. Ideal for applications
that demand economic wind sensing, WindSonic is suitable for
land-based and marine environments.
A lightweight unit, WindSonic is of a robust, high strength
construction designed to withstand installation and use with no
fear of the damage commonly experienced with more fragile
cups, vanes or propellers. Without the need for expensive
on-site calibration or maintenance and with a corrosion free
exterior, WindSonic is a true fit and forget unit.
The flexible design enables you to easily configure WindSonic
to deliver the information you require. By using the software
provided it is possible to select the output rate and choose
the units of measurement that suit your application. Ensuring
accuracy and reliability, WindSonic automatically transmits
an anemometer status code with each output to indicate its
operating status. Available in four options, providing a number
of different digital and analogue outputs.
Maintenance free, quick and easy to install, WindSonic is
designed to be mounted using a standard pole fitting and
comes complete with all screw fittings, a mating marine grade
connector and comprehensive user manual.
The unit is supplied with a 2 year warranty as standard.
CUSTOMER SELECTABLE
ENVIRONMENTAL
Output
1, 2 or 4 outputs per second
Ingress Protection
Parameters
Wind Speed & Direction or
Operating Temperature
-35°C to +70°C
U and V (vectors)
Storage Temperature
-40°C to +90°C
m/s, knots, mph, kph, ft/min
Operating Humidity
<5% to 100%
EMC
EN 61000-6-2 : 2001
Units of Measure
WIND SPEED
Range
0 – 60 m/s (116 knots)
Accuracy
+/- 2%
Resolution
0.01 m/s (0.02 knots)
WIND DIRECTION
IP65
EN 61000-6-3 : 2001
MTBF
15 years
MATERIALS
Range
0 to 359° – no dead band
Accuracy
+/- 3°
Resolution
1°
ANEMOMETER STATUS
Message supplied as part of standard output
External Construction
Size
142 x 160 mm
Weight
0.45 kg
WARRANTY
2 years
POWER REQUIREMENT
Anemometer
LURAN S KR 2861/1C ASA/PC
DIMENSIONS
9-30Vdc @ 14.5mA typical
OPTIONAL FACTORY CALIBRATION
Start up time <1 second
OUTPUTS
Traceable to national standards
ACCESSORIES
Option 1
RS232
Pipe Mounting
Option 2
RS232 + RS422 + RS485 + NMEA*
WindCom - Display & logging software *
Option 3
RS232 + RS422 + RS485 + NMEA*
Cables
+ 0-5V or 4-20mA
Display
SDI-12
* download WindCom free from www.gill.co.uk
Option 4
44.45 mm (1.75 in) diameter
* NMEA 0183 Version 3
GILL INSTRUMENTS LTD
Saltmarsh Park, 67 Gosport Street,
Lymington, Hampshire, SO41 9EG, UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613555
E-mail: [email protected]
Website: www.gill.co.uk
© Gill Instruments 2005
The WindSonic is part of the Solent range of ultrasonic
anemometers. The range is in continuous development and therefore
specifications may be subject to change without prior notice.
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The Gill WindSonic M utilises Gill’s proven ultrasonic technology that has a
proven performance over many years of operation in the popular WindSonic.
With an impact resistant, corrosion-free aluminium alloy housing and optional
heating system this wind sensor is recommended for use in harsh environmental
conditions and is particularly suited to both marine and land based installations.
The WindSonic M has no moving parts, offering maintenance-free operation in a
wide range of applications.
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** Consult the technical manual for optimum heating supply voltage.
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Ø142mm (5.6ʺ)
Ø44.45mm (1.75ʺ)
82mm (3.2ʺ)
120°
120°
163mm (6.4ʺ)
120°
7.5mm (0.29ʺ)
North alignment notch
M5 fixing screws & washers (supplied)
M5 threaded hole
Mounting pipe dimensions
showing the size and position
of the 3 mounting holes
9 way mating connector (supplied)
North alignment notch
Specifications may be subject to change without prior notice.
INSTRUMENTS
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WindObserver II
WINDOBSERVER II Wind Speed & Direction Sensor
ALL WEATHER SENSING TECHNOLOGY
„
ULTRASONIC TECHNOLOGY
„
TRANSPORT SAFETY
„
MAINTENANCE FREE
„
WIND TURBINE CONTROL
„
ROBUST CONSTRUCTION
„
SHIPDYNAMICPOSITIONINGSYSTEMS
„
LLOYD'S TYPE APPROVAL
„
AIRCRAFT LANDING SYSTEMS
„
LOW TEMPERATURE DE-ICING
„
METEOROLOGICAL SYSTEMS
„
USER SELECTABLE OUTPUT FORMAT
„
STRUCTURAL SAFETY
www.gill.co.uk
WINDOBSERVER II - ULTRASONIC WIND SENSOR
The WindObserver II provides the best solution on the
market for reliable, accurate and cost-effective wind speed
and directional measurement. It combines the latest patented
advances in ultrasonic technology together with Gill’s fifteen
years experience as the recognised world leading supplier of
all-weather ultrasonic wind sensors. The elimination of moving
parts, together with a rugged stainless steel construction means
that WindObserver II is virtually maintenance free and requires
no calibration on site. The heated head keeps the unit free
from ice and snow, providing continuous use even in the most
extreme weather conditions.
A new flexible design ensures that the WindObserver II can
be configured by the user to their exact requirements, which
may include analogue outputs, 10 Hz output, heating or sonic
temperature.
The Windows™ based WindCom communications package
allows the user to operate the anemometer in various modes,
permitting the measurement of U & V vectors or wind speed
and direction. Communication is via an RS422 bidirectional
link, which allows several units to be networked together and
data to be logged on demand. The WindObserver II has been
rigorously tested to internationally recognised standards and
meets the stringent performance criteria specified by airport,
marine, oil, production, meteorological and utility organisations
around the world.
ANALOGUE OUTPUT
DIMENSIONS
-
OPTIONAL
Size
405mm x 210mm
Quantity
3 (speed, direction, status or sonic temp)
Weight
1.5kg
Scale
Multiples of ±10 m/s up to 70 m/s
Type
± 2.5V, 0 - 5V or 4 - 20mA
Output
1Hz, 4Hz, 10Hz
V output resistance
60 Ohms
Parameters
UV, Polar, NMEA, Tunnel
4 - 20mA loading
10 - 300 Ohms
Units
m/s, Knots, MPH, KPH ft/min
Averaging
Flexible 1-3600 seconds
MEASUREMENT
MATERIALS
External Construction
Stainless Steel 316
ENVIRONMENTAL
WIND SPEED
(0 - 145mph)
Moisture Protection
IP66 (NEMA4X)
Range
0 - 65 m/s
Starting Threshold
0.01 m/s
Operating Temperature -55°C to +70°C
Accuracy
2%
Humidity
5% to 100% RH
Resolution
0.01 m/s
Precipitation
300mm/hr
Offset
± 0.01 m/s
EMC
Icing
Range
0 - 359º
Dead Band Direction
None
Accuracy
± 2º
Standards
Resolution
1º
Site Calibration
MILSTD810E Method 521.1 Procedure 1
MISC
Traceable to NAMAS standards
None Required
Integrity Check Unit (Zero Wind)
SONIC TEMPERATURE
Range
EN 61000-6-2 : 2001
EN 61000-6-3 : 2001
DIRECTION
supplied as optional extra
-40ºC to + 70ºC (refer to user manual)
POWER REQUIREMENT
DIGITAL OUTPUT
Communication
RS422, full duplex
Anemometer only
9-30 V DC (40mA @ 12 V DC)
Baud Rates
1200 2400 4800 9600 19200 38400
Heating Optional
3A @24V AC or DC
Formats
8 data, odd, even or no parity
Anemometer Status
Supplied as part of standard message
GILL INSTRUMENTS LTD
Saltmarsh Park, 67 Gosport Street,
Lymington, Hampshire, SO41 9EG, UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613555
E-mail: [email protected]
Website: www.gill.co.uk
© Gill Instruments 2005
The WindObserver II is part of the Solent range of ultrasonic
anemometers. The range is in continuous development and therefore
specifications may be subject to change without prior notice.
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The WindObserver 70 is a solid state, heated ultrasonic anemometer designed for use
within the aviation industry and for more extreme weather conditions. The sensor has
been accepted for service by both the FAA Federal Aviation Administration (USA) and the
CAA Civil Aviation Authority (UK) for the observation and reporting of surface wind. This
WindObserver meets the requirements of Annex 3 to the Convention on International
Civil Aviation Organization (ICAO) when supplied as part of a suitable AWOS*.
With 150 Watts of electrical heating in the anemometer head producing 1 Watt/cm² and
tested in accordance with MILSTD810F, the unit is particularly suited to operate as part
of Aviation Automatic Weather Observing Systems, which are often exposed to extreme
weather conditions. Manufactured from stainless steel with no moving parts the sensor
requires no on-site calibration and minimal maintenance.
*Accepted by the FAA & CAA for the observation and reporting of surface wind as part of a suitable
AWOS (Automatic Weather Observing System)
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Note: Optional base mounts and cable exit options are available.
Specifications may be subject to change without prior notice.
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WindObserver Product Numbers Explained
1 = Connector
2 = Cable Gland + 2m Cable
3 = Cable Gland + 10m Cable
4 = Cable Gland + 15m Cable
A = Analogue
B = Non-Analogue
Product Code
1390
-
70
-
B
65 = 65 m/s
70 = 70 m/s
75 = 75 m/s
-
3
1
4
1 = No Base Mount
2 = Base Mount Short
3 = Base Mount Long
4 = Pipe Mount
1 = No Heating
2 = Standard Heating
3 = Enhanced Heating
Product options may be model specific. Consult the Gill sales team for availability
Connection Options
Drawings below shown without base mounts
WindObserver fitted
with cable gland and
flying lead
WindObserver fitted
with integral connector
Cable length options
2m & 10m
Base & Pipe Mount Options
Base Mount Long
Base Mount Short
M5 CLEARANCE HOLES
M5 CLEARANCE HOLES
Pipe Mount
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100.00
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The WindObserver 75 has been developed for measuring higher wind speeds in
extreme weather environments featuring 150 Watts of electrical heating power
in the anemometer head. This anemometer has been designed to remain ice free
in most freezing weather conditions. The sensor provides data via RS422/RS485
bidirectional link, which allows several units to be networked together and data
logged on demand.
With innovative transducer design, this anemometer boasts a very high wind
speed range of 0 - 75 m/s (0-168mph) and gives an output status indicating the
validity of data, so that you can be confident that the instrument is providing
accurate information. Constructed from Stainless steel this anemometer meets
the stringent performance criteria specified by wind turbine manufacturers,
airports, marine, oil and gas production, and meteorological organisations
around the world.
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Note: Optional base mounts and cable exit options are available.
Specifications may be subject to change without prior notice.
INSTRUMENTS
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WindObserver Product Numbers Explained
1 = Connector
2 = Cable Gland + 2m Cable
3 = Cable Gland + 10m Cable
4 = Cable Gland + 15m Cable
A = Analogue
B = Non-Analogue
Product Code
1390
-
70
-
B
65 = 65 m/s
70 = 70 m/s
75 = 75 m/s
-
3
1
4
1 = No Base Mount
2 = Base Mount Short
3 = Base Mount Long
4 = Pipe Mount
1 = No Heating
2 = Standard Heating
3 = Enhanced Heating
Product options may be model specific. Consult the Gill sales team for availability
Connection Options
Drawings below shown without base mounts
WindObserver fitted
with cable gland and
flying lead
WindObserver fitted
with integral connector
Cable length options
2m & 10m
Base & Pipe Mount Options
Base Mount Short
Base Mount Long
M5 CLEARANCE HOLES
M5 CLEARANCE HOLES
M5 CLEARANCE HOLES
Pipe Mount
A
1½ INCH NPT
THREADED HOLE
57.00
100.00
100.00
65.00
A
65.00
65.00
50.50
30.00
30.00
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HOLES
30.00
4 x M5
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HOLES
30.00
Ø35.00
Ø35.00
All options are supplied with appropriate fixing screws and washers.
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INSTRUMENTS
WindMaster
WINDMASTER
3 Axis Ultrasonic Anemometer
ALL WEATHER SENSING TECHNOLOGY
„
METEOROLOGICAL SYSTEMS
„
MAINTENANCE FREE
„
TRANSPORT SAFETY
„
LIGHTWEIGHT CONSTRUCTION
„
STRUCTURAL SAFETY
„
U, V, W, SOS & SONIC TEMP OUTPUT
„
WIND PROFILING
„
20Hz OR OPTIONAL 32Hz DATA RATE
„
MARINE RESEARCH
„
OPTIONAL ANALOGUE INPUTS OR
„
WIND TURBINE SITE SURVEY
OUTPUTS
www.gill.co.uk
WINDMASTER - ULTRASONIC WIND SENSORS
The new WindMaster three axis anemometer is a robust
instrument based on time of flight measurements and is
essential in the understanding of turbulent flows, surface energy
balance and scalar fluxes.
All these areas of research rely on accurate and precise
measurements of mean and variance of (time averaged) wind
velocities and Speed of Sound (SOS) derived temperature.
This is particularly true in determining scalar fluxes using
the eddy covariance technique. Gill employs the optimum
mechanical configuration and electronic processing to minimise
flow distortion and transducer shadow effects. Gill undertakes
an individual calibration with a Gill wind tunnel test on each
unit to provide the optimum performance. The WindMaster
is available with a 20Hz data output rate with an option to
increase this to 32Hz. The instrument is constructed in the
familiar Aluminium/carbon fibre construction. The WindMaster
is fitted with field proven standard Gill transducers with the
ability to measure a top wind speed of 45 m/s.
Both software and electronics have been enhanced to provide
improved vertical (W) resolution and SOS accuracy.
New design electronics has facilitated a reduction in power
consumption to 30 mA at 12 V dc, a significant advantage when
used on power sensitive sites.
A number of orderable options are available including: • Increase in data output rate to 32 Hz
• 4 analogue output channels with options for 12 or 14 bit
resolution.
• 4 analogue input channels, with options for 12 or 14 bit
resolution, additional PRT input also available.
• A flange mounting arrangement is provided as standard,
with option to order a different mounting.
• Wind tunnel calibration in accordance with ISO 16622 and
traceable to national standards.
• Travelling case
SONIC TEMPERATURE
OUTPUTS
Internal sample rate
20 Hz or 32 Hz
Range
-40ºC
Output rate
1, 2, 4, 8, 10, 16, 20 & 32(option)
Resolution
0.01ºC
Units of measure
m/s, mph, KPH, knots, ft/min
ANALOGUE OUTPUTS (OPTIONAL)
Format
UVW, Polar or NMEA
Resolution 12 bits or 14 bits
4 channels available
Averaging
Flexible 0 - 3600 s
Selectable Range
User selectable full scale wind speed
Output Type
0-20mA, 4-20mA, 0-5V, ±2.5V, ±5V
WIND SPEED
TO
+70 ºC
Range
0 - 45 m/s
ANALOGUE INPUTS (OPTIONAL)
Resolution
0.01 m/s
Resolution 12 bits or 14 bit
Up to 4 single ended or 2 diffferential
Accuracy (12 m/s) Generic
1.5% RMS *
Input Type
±5V
Accuracy (12 m/s) Custom
1% RMS *
DIRECTION
GENERAL
Weight
1.0 kg
Range
0-359º
Size
750mm x 240mm
Resolution
0.1º
Environmental
IP65
Accuracy (12 m/s) Generic
2º
Operating Temp
-40ºC to + 70ºC
Accuracy (12 m/s) Custom
0.5º
Humidity
<5% to 100%
SPEED OF SOUND
Range
300 - 370 m/s
Resolution
0.01 m/s
Accuracy
< ± 0.5% @ 20ºC
Precipitation
Operation to 300mm/hour
EMC
Emissions BS EN 61000 - 6- 3
Immunity BS EN 61000 - 6 -2
* Accuracy spec applies for wind speed, and for wind incidence up to ± 30º from the
horizontal
POWER REQUIREMENT
9 - 30 Vdc, 30 mA @ 12 Vdc
DIGITAL OUTPUT
RS232, 422, 485 network upto 26
anemometers
Baud rates
2400-115200
Format
ASCII / Binary
GILL INSTRUMENTS LTD
Saltmarsh Park, 67 Gosport Street,
Lymington, Hampshire, SO41 9EG, UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613555
E-mail: [email protected]
Website: www.gill.co.uk
© Gill Instruments 2005
This range is in continuous development and therefore specifications
may be subject to change without prior notice.
D1300
R3-50
R3-50
Ultrasonic Research Anemometer
ALL WEATHER SENSING TECHNOLOGY
„
WIND TURBULENCE MEASUREMENT
„
50 Hz DATA RATE
„
COMPONENT WIND VELOCITY UVW
„
CUSTOM CALIBRATED
„
WIND PROFILING
„
ANALOGUE OUTPUTS
„
MAINTENANCE FREE
„
SPEED OF SOUND AND SONIC
„
ROBUST CONSTRUCTION
www.gill.co.uk
TEMPERATURE OUTPUTS
R3-50 - ULTRASONIC RESEARCH ANEMOMETER
The Solent Research R3-50 is a cost effective solution for
projects requiring the benefit of Gill's proven experience in
the production of ultrasonic anemometers for all weather
applications. Robust and easy to use, the R3-50 employs the
same software as the popular R3 range of sensors but with a
data rate of 50 Hz.
If required the unit can be supplied with the optional Sensor
Input Unit (for analogue inputs) and Power Supply (including
analogue outputs).
Based on the highly successful range of Solent Research
Anemometers, the R3-50 is ideal for users undertaking research
ULTRASONIC MEASUREMENT
with large eddies at high mast levels.
Having identical output formats to the R3, the R3-50 is
particularly suited to applications where a complete wind profile
is required, with an R3 or HS positioned near the ground and
the R3-50 positioned at a higher level.
Gill research grade units are individually custom calibrated
and supplied with a certificate of calibration. All of our test
equipment has been designed specifically to test and calibrate
our range or ultrasonic sensors and is traceable to national
standards.
PRT INPUT
(requires
Ultrasonic output rate
50 Hz
Input resolution
Parameters
UVW, Speed of Sound
Input accuracy
SIU, PRT
100 not supplied)
0.01°C
<0.01°C (0 to 50°C)
<0.15°C (-40°C to +60°C)
WIND SPEED
Range & resolution
0 - 45 m/s, 0.01 m/s
Accuracy
< ± 1% RMS
POWER REQUIREMENT
Anemometer
9 - 30V dc
(<150mA @ 24VDC or 300mA @ 12VDC)
DIRECTION
Range & resolution
0 - 359, 1º
Accuracy *
< ± 1º
ENVIRONMENTAL
Operating temperature -40°C to +60°C
Ingress protection
SPEED OF SOUND
IP65
Range & resolution
300 - 370 m/s, 0.01 m/s
Precipitation
Operation maintained to 300mm/hr
Accuracy
< ± 0.5% @ 20ºC
EMC
BS EN 50081-1: 1992 (Emissions)
BS EN 50082-1: 1997 (Immunity)
DIGITAL OUTPUT
Communication
RS422 full duplex, 8 data bits, 1 stop bit,
no parity
Baud Rates
2400 - 115200
Output rate
Selectable 0.4 to 50s-1
ANALOGUE OUTPUTS
(requires PCIA unit)
Quantity
Scale
Suitable for exposure to a marine environment
MATERIALS
External construction
Aluminium / Carbon Fibre
DIMENSIONS
7 (U, V, W, SoS, PRT plus 2 analogue
Size
750mm x 240mm
inputs)
Weight
1 kg
± 10, ± 20, ± 30, ± 60 m/s
0.4 to 50s-1
Update rate
Range and resolution
± 2.5V, 14 bits
Accuracy
<0.1% of FSR
ANALOGUE INPUTS
GENERAL
(requires SIU)
Quantity
Sampling rate
6 differential inputs
50s-1
Range and resolution
± 5V, 14 bits
Accuracy
<0.1% of FSR
GILL INSTRUMENTS LTD
Saltmarsh Park, 67 Gosport Street,
Lymington, Hampshire, SO41 9EG, UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613555
E-mail: [email protected]
Website: www.gill.co.uk
© Gill Instruments 2005
* Accuracy specification applies for wind speeds <32 m/s and for
wind incidence up to ± 20º from the horizontal
The R3-50 is part of the Solent range of ultrasonic anemometers.
The range is in continuous development and therefore specifications
may be subject to change without prior notice.
D400
R3-100
R3-100
Ultrasonic Research Anemometer
ALL WEATHER SENSING TECHNOLOGY
„
WIND TURBULENCE MEASUREMENT
„
CUSTOM CALIBRATED
„
COMPONENT WIND VELOCITY UVW
„
ANALOGUE OUTPUTS
„
WIND PROFILING
„
SPEED OF SOUND AND SONIC
„
MAINTENANCE FREE
„
ROBUST CONSTRUCTION
„
100 Hz DATA RATE
www.gill.co.uk
TEMPERATURE OUTPUTS
„
OPTIONAL ANALOGUE AND PRT
INPUTS
R3-100 ULTRASONIC WIND SENSOR
The R3-100 combines the latest electronic components with
Gill Instrument Ltd's considerable experience in producing
solid state ultrasonic anemometers for micrometeorological
research.
It take as its pedigree the world leading Solent Research R2
which have been proven time and time again to be consistant
and reliable instruments for the study of wind and its
turbulance parameters.
The R3-100 has a faster response time, up to 100Hz, and
operating system, RCOM, designed to be robust and simpler to
use.
The resolution of the analogue outputs has been greatly
improved to 14bits whilst the high accurancy and measurement
resolution of the solent research has been maintained.
Optional extras such as the inclinometer are available as well
as a sensor input unit to allow upto 6 analogue sensors plus a
PRT100 input.
*Supplied Accesssories - RCOM operating system with
a graphical interface (data presentation and storage; flux
calculations); power supply (PCIA); Transit Case.
Optional Accessories - Analogue and PRT Inputs via Signal
Interface Unit (SIU); Inclinometer.
PRT INPUT (REQUIRES OPTIONAL SIU, PRT100 NOT INCLUDED)
ULTRASONIC MEASUREMENT
Ultrasonic sampling rate 100Hz
Input resolution
Parameters
Input accuracy
UVW, Speed of Sound
<0.01ºC (from 0ºC to 50ºC),
<0.15ºC (from -40ºC to +60ºC)
WIND SPEED
Range and Resolution
0 - 45m/s, 0.01m/s
INCLINOMETER (OPTIONAL)
Accuracy
< ±1%RMS
Range / Resolution
DIRECTION
Range and Resolution
0 - 360º, 1º
Accuracy*
< ±1º
±20º, 0.01º
Null Repeatability
±0.15º
Accuracy
±0.3º(from -10º to 10º of inclination
POWER REQUIREMENT
Anemometer
SPEED OF SOUND
Range and Resolution
300 - 370m/s, 0.01/s
Accuracy
< ±0.5%@20ºC
9-30VDC <4w(eg. <150mA @ 24VDC or
300mA @ 12VDC
ENVIRONMENTAL
Operating Temp
DIGITAL OUTPUT
Communication
0.01ºC
-40ºC to +60ºC
RS422 full duplex, 8 data bits, 1 stop bit,
Moisture Ingress
IP65
no parity
Precipitation
300mm / hr
Baud Rates
2400 - 115200
EMC
Output Rate
selectable 0.4 - 100Hz
ANALOGUE INPUTS (VIA OPTIONAL SIU)
BS EN 50081-1: 1992 (Emissions)
BS EN 50082-1: 1992 (Immunity)
GENERAL
Quantity
6 differential inputs
Sampling Rate
100Hz
Suitable for exposure to a marine environment.
NOTE
Input range / resolution ±5V, 14 bits
*Accuracy specification applies for wind speeds <32m/s and for
Accuracy
wind incidence <±150º in the horizontal plane and up to ±50º
<0.1% of FSR
ANALOGUE OUTPUTS (VIA SUPPLIED PCIA)
from the horizontal.
Quantity
7(U, V, W, SoS, PRT + 2 analogue inputs)
Sampling
±10, ±20, ±30, ±60m/s
Update rate
0.4 to 100Hz
Output range / res
±2.5V, 14 bits
Accuracy
<0.25% of FSR
INCLINOMETER (FITTED AS
STANDARD)
GILL INSTRUMENTS LTD
Saltmarsh Park, 67 Gosport Street,
Lymington, Hampshire, SO41 9EG, UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613555
E-mail: [email protected]
Website: www.gill.co.uk
© Gill Instruments 2005
The R3-100 is part of the Solent range of ultrasonic anemometers.
The range is in continuous development and therefore specifications
may be subject to change without prior notice.
D900
HOSKIN SCIENTIFIC LIMITED
Hukseflux Solar Sensors
LP02 pyranometer
(ISO-9060 Second Class)
Solar radiation sensor compliant
with ISO and WMO standards
NR01 net radiometer
4 component net-radiation
sensor, 4 component SW & LW
sensor
LP02-TR
Solar radiation sensor compliant
with ISO and WMO standards,
with integrated transmitter
RA01 radiometer
2 component radiation sensor
2 component SW & LW sensor
LP02 / LI19
Portable solar radiation sensor,
with read-out unit / datalogger
SR03 pyranometer
(ISO-9060 Second Class)
Fast response pyranometer (for
PV application) compliant with
ISO and WMO standards 1-sec.
rapid response sensor
DR01 pyrheliometer
(ISO-9060 First Class)
First class pyrheliometer
DR02 pyrheliometer
(ISO-9060 First Class)
Fast response first class
pyrheliometer with heated
window, 1-sec. rapid response
sensor
SR11 pyranometer
(ISO-9060 First Class)
First class pyranometer solar
radiation sensor
SRA01 albedometer
Albedometer compliant with
ISO and WMO standards
2 Second Class SR01 model
pyranometers mounted backto-back on the same housing
SR11-TR
First class solar radiation sensor
with integrated transmitter
IR02 pyrgeometer
Pyrgeometer with heating
SR12 pyranometer
(ISO-9060 First Class)
First class pyranometer for solar
energy test applications
IR02-TR
Pyrgeometer with heating,
with integrated transmitte
www.hoskin.ca
Burnaby, British Columbia - (604) 872-7894 | Burlington, Ontario - (905) 333-5510 | Montreal, Quebec - (514) 735-5267
HFP01
HEAT FLUX PLATE / HEAT FLUX SENSOR
HFP01 is the world’s most popular sensor for heat
flux measurement in the soil as well as through
walls and building envelopes. By using a
ceramics-plastic composite body the total thermal
resistance is kept small.
HFP01 serves to measure the heat that flows
through the object in which it is incorporated or
on which it is mounted. The actual sensor in
HFP01 is a thermopile. This thermopile measures
the differential temperature across the ceramicsplastic composite body of HFP01. Working
completely passive, HFP01 generates a small
output voltage proportional to the local heat flux.
Using HFP01 is easy. For readout one only needs
an accurate voltmeter that works in the millivolt
range. To calculate the heat flux, the voltage
must be divided by the sensitivity; a constant
that is supplied with each individual instrument.
HFP01 can be used for in-situ measurement of
building envelope thermal resistance (R-value)
and thermal transmittance (H-value) according to
ISO 9869, ASTM C1046 and ASTM 1155
standards.
Traceability of calibration is to the “guarded hot
plate” of National Physical Laboratory (NPL) of
the UK, according to ISO 8302 and ASTM C177.
A typical measurement location is equipped with
2 sensors for good spatial averaging. If necessary
two sensors can be put in series, creating a
single output signal.
If measuring in soil, in case a more accurate
measurement is needed the model HFP01SC
should be considered.
See also models HFP03 and the PU series.
HFP01 SPECIFICATIONS
Sensitivity (nominal):
50 μV/ W.m-2
Temperature range:
-30 to +70 oC
Sensor thermal resistance:
< 6.25 10
Range :
-3
Km2/W
+2000 to -2000
W.m-2
Calibration traceability:
NPL, ISO 8302 /
ASTM C177
Figure 1 HFP01 heat flux plate dimensions:
(1) sensor area, (2) guard of ceramics-plastic
composite, (3) cable, standard length is 5 m.
All dimensions are in mm.
Expected typical accuracy:
within +5/- 15%
(12hr totals)
in most common
soils,
within +5/ -5 % on
walls
OPTIONS
Additional cable length x metres (add to 5m), AC100
amplifier, LI 18 hand held readout
Measuring hydrometeors with Parsivel®
Parsivel is a modern, laser-based optical system for measuring
all types of precipitation completely and reliably. Hydrometeors
are differentiated and are classified as drizzle, rain, sleet, hail,
snow and mixed precipitation.
Precipitation measurements are carried out with a special sensing head developed for this purpose. It detects precipitation
optically one meter above ground-level (other heights are available
on request). The data obtained are handled and stored by a fast
digital signal processor:
Primary data are the size and velocity of each single hydrometeor,
from which the size spectrum, the amount of rainfall, the equivalent radar reflectivity, the visibility, the precipitation kinetic energy
and the precipitation type are derived. The results can be transmitted to a datalogger or a PC with a serial interface.
The advantages of Parsivel®
Remote access facility for data
gathering and configuration
Simultaneous measurement of all kind
of precipitation at all windspeed from
calm to hurrican
Accurate and overall recording and analyse of
precipitation type, quantity and distribution
Fully operable precipitation sensor in arctic,
desert and tropical climate zones
One multipurpose instrument fits for
5 single units
Solid state instrument as alternative for
raingauges with mechanical tipping
bucket principle
Low initial and operating costs as unattended stand-alone system or as part of an
unmanned weather station
The principle
Parsivel uses a laser-based optical sensor to measure precipitation. The transmitter unit of the sensor generates a flat, horizontal
beam of light, which the receiver unit converts into an electrical
signal. This signal changes whenever a hydrometeor falls through
the beam anywhere within the measurement area (54 cm2).
The degree of dimming is a
measure of the size of the
hydrometeor, and together
with duration of the signal, the
fall velocity can be derived.
Parsivel® features unique performance
– Patented extinction measurement procedure
– Operates unattended and fast, using maintenance-free laser
technology
– Reliable in all environmental and weather conditions (lightning
protection and self-regulated heating)
– Low power and heating operation by software commands
– Reliable recognition of all precipitation types, including mixed
precipitation in the melting layer
– Comprehensive precipitation analysis using 2-dimensional
distribution of size and velocity
– Special measuring head prevents secondary spectra caused by
drops splashing on the sensor head
– Transmitter and receiver head in perfect design with no obstacles
for precipitation catching
5 systems in one unit
Up to five systems can be accommodated in a single unit using
appropriate and efficient software to suit customer requirements.
Precipitation
Measurements designed for determining the distribution and
amount of precipitation can be carried out maintenance-free with
Parsivel, regardless of the intensity, duration or type of precipitation.
Additionally, its composition – i. e. the distribution of particles with
respect to their type – is obtained directly from the measured
sizes and velocities of each single particle and is recorded statistically.
Present Weather Sensor (PWS)
The present weather and the types of precipitation (rain, drizzle,
snow, hail and sleet) are classified in accordance with a weathercode established by the WMO. Unmanned weather stations
require automatic detection, reliably and unambiguously. Parsivel
can ascertain the type, quantity and composition of the hydrometeor and the atmospheric visibility – in every kind of weather!
Monitoring of disposal sites
The functions of precipitation kinetic energy distribution and precipitation measurement are utilised by Parsivel to record the effect
of rain on the condition of the disposal sites in conjunction with
other sensors, e. g. ground-condition probes.
Monitoring road conditions
Highly localised precipitation can lead to aquaplaning or packed
snow on roads. Therefore, rapid traffic warning and control
systems are necessary in order to prevent accidents. Precipitation
measurement, hydrometeor composition and atmospheric visibility
are of considerable importance in such systems. Parsivel is an
integrated instrument that measures all these quantities.
Flood early warning
To assure a timely warning of impending high water it is necessary
to measure the amount and spatial distribution of precipitation
rapidly and accurately. This goal can be achieved by combining
weather radar measurements (spatial information with reduced
accuracy) and groundbased disdrometer measurements:
Parsivel provides drop size distributions on the ground and a function
to derive a local Z/R relation – ready to be used to adjust the radar
data. In combination with water level sensors and drainage modelling, a high-performance regional high water early warning system
can be erected.
Technical data
Beam size W x D
Measuring area
Range of measurement
Particle size
Particle velocity
Particle classification
Precipitation types
Distinction of precipitation types
Precipitation intensity
Rain rate
Reports
Visibility in precipitation (MOR)
Radar reflectivity Z
Measurement interval
Power supply
Wave length 650 nm, 1 mW output power
1 (21 CFR 1040.10 and 1040.11)
1M (IEC/EN 60825-1 A2:2001)
180 x 30 mm; 7.09 x 1.18 inch
54 cm2 / 8.37 inch2, statistical correction of border events
0.2 … 25 mm / 0.008 … 0.98 inch
0.2 … 20 m/s / 7.87 … 787.4 inch/s
32 size classes and 32 velocity classes
8 (drizzle, drizzle/rain, rain, mixed rain/snow, snow,
snow grains, sleet, hail)
> 97 % compared with synoptic observer
(drizzle, rain, hail, snow)
0.001 ... 1200 mm/h / 0.00004 ... 47.2 inch/h
±5 % (liquid)/±20 % (solid)1)
WMO 4680/4677 (SYNOP) 4678 (METAR) and NWS tables
100 … 5000 m / 300 … 16,000 feet; ±10%1)
– 9.9 ... 99 dBz; ±20%1)
15 seconds to 60 minutes
EMC / EMI
10 … 36 V DC, reverse battery protection,
software controlled heating device
6 W (electronics with dew heater) at 24 V DC
50 W, max. 2 A (heating device) at 24 V DC (configurable)2)
RS 485 (1200 … 115, 200 Baud, half duplex), SDI-12,
open-collector digital output for precipitation status (solid/liquid)
and pulse (0.1 mm (0.004 inch) / 0.01 mm (0.0004 inch)
EN 61000-4-2/4/5/6 (4 kV), integrated for power and
interfaces lines
EN 61000-4-3, CE-conform
Material
Weight
Temperature range
Protection
Dimension W x H x D
Mounting
Galvanized aluminium housing
Max. 5 kg
– 40 … +70 °C / -40 … +158 °F; 0 … 100 % rH
IP 65, salt fog proof
560 x 370 x 120 mm / 22.05 x 14.57 x 4.72 inch
On a tube, Ø 50 … 60 mm / 2 … 2.36 inch
Power consumption
Interfaces (configurable)2)
Overvoltage protection
1)
Accuracy applicable from firmware version 1.10.1; calibration ex factory implied; upgrade of previous versions possible
2)
ASDO configuration software included in delivery
OTT – Your partner for:
䡵 Water level measurement in ground and surface water
䡵 Discharge measurement
䡵 Precipitation measurement
䡵 Water quality measurement
䡵 Data management and communication
䡵 HydroService: consulting, training, installation and maintenance
OTT MESSTECHNIK GmbH & Co. KG
Ludwigstrasse 16
87437 Kempten
Tel. +49 (0) 8 31/56 17-0
Fax +49 (0) 8 31/56 17-2 09
[email protected]
www.ott.com
We reserve the right to make technical changes!
70.200.005.P.E As at: 06-06/2007
Optical sensor, laser diode
Laser class
Ventilated thermohygrometer VTP37
· meets the highest demands as to
reliability and accuracy
· Ventilated, heated air-thermometer
· Automatically regulated mechanical
cleaning of the dew point mirror for
maintenance-free operation
· Connectable to PC, Modem, GSM
Thermohygrometer VTP37 mounted electrically insulated
on a meteomast outrigger. The air intake is at the bottom.
The air leaves the housing by way of a duct below the lid.
VTP37 is the combination of the proven Thermohygrometer Thygan VTP6 and the control unit CUVTP. The combination of this two instruments saves space and weight and helps reduce installation efforts.
The VTP37 is a ventilated, heated thermometer
combined with a mirror-type dew point hygrometer. The instrument is designed for field
Operation and meets the highest demands as to
reliability and accuracy even under the most severe
environmental conditions.
Its special features include:
Cyclic operation which allows automatic control
and regulation of the most important functions. The
VTP37 measures the air temperature and dew point
temperature about ten times within 40 seconds
every ten minutes. The instrument delivers the
average values together with their standard
deviations, allowing the quality of the data to be
checked.
· Automatic differentiation between ice and water
·
·
·
·
films on the mirror. The type of deposit is distinguished in the calculation of the relative humidity.
The humidity measurements are supplied either
as relative humidity over water or as dew
point/frost point (selection by software command).
Control identifier indicates the operating state of
the sensor.
VTP37 is using exactly the same measurement
system as the VTP6 which is recommended as a
working reference by World Meteorological Organization (WMO)
The VTP37 is available with MeteoBus or RS232
interface
· For special applications, continuous operation
can be selected by software command.
· The influence of moisture (psychrometric effect),
radiation, icing, wind and electromagnetic interference (from radio transmitters) have been virtually eliminated.
· Low power consumption permits battery operation (without heater).
· Automatically regulated mechanical cleaning of
the dew point mirror allows maintenance-free
operation.
Hofstrasse 92
CH-8620 Wetzikon
Internet: www.meteolabor.ch
VTP37 Airport has additional abilitiy to detect Fog.
Fog detection is made by measuring oversaturated water content, and reported in 3 Steps:
1=danger of fog
2=light fog (visibility ~150...300m)
3=heavy fog (visibility <150m)
Tel. +41 44 934 40 40
Fax +41 44 934 40 99
E-Mail: [email protected]
Technical data
Measuring instrument
Control commands
Temperature range
Dew point range
max. Dew point depression at 20°C
Sensor type
Temperature resolution
Relative humidity resolution
Accuracy
Operating Voltages
Weight
–50°C to +50°C
–65°C to +50°C
40 K
copper constantan
thermoelements
0.1 K
0.1 %
± 0.15 K from –20°C to +50°C
± 0.25 K from –65°C to –20°C
10... 15 V DC / 48 VAC
9.5 kg
Modes of operation
approx. 3500 data records
(corresponding to 10 minute
measuresmentes for 24 days)
4 diff. operating modes
for convenient data access.
Baudrate
Norm
ESD
Burst
Surge
Power supply
Mains supply
Interfaces
2400 bps (constant)
RS232 electrically isolated
without hardware-handshake
or RS485 electrically isolated
(please specify when ordering)
EMV
Data Storage
Data memory
Set the internal clock
Check the sensor status
Switch from normal to continuous operation
Check for special messages
Change address of the instrument
12 VDC, 350 mA peak
140 mA mean value
48 VAC max. 3.6 A for heating
EN61000-4-2
8 kV contact-discharge
15 kV discharge through the air
EN61000-4-4
2 kV, 5/50 ns, 5 kHz
EN61000-4-5
Installation class 4
Dimensions
357.0
All measurements in mm
outrigger: i.e.
Letrona LSTH 80-500
ca. 285.0
Details for ordering
· Thermo-Hygrometer VTP37, RS485:
MGE-VTP37/00
· Thermo-Hygrometer VTP37, RS232:
MGE-VTP37/01
· VTP37-Airport, RS485:
MGE-VTP37/03
· VTP37-Airport, RS232:
MGE-VTP37/02
· replacement fan including heating
BGM-METEO/TP0169
223.0
meteolabor reserves the right to make changes without further notice
Hofstrasse 92
CH-8620 Wetzikon
Internet: www.meteolabor.ch
Phone +41 44 934 40 40
Fax +41 44 934 40 99
E-Mail: [email protected]
Bulletin 52,
Edition 2
TIPPING BUCKET RAINGAUGE
MODEL TB3
•
World standard 200mm catch
•
Accuracy not affected by rainfall intensity
•
Bucket sizes: 0.01 inch/ 0.2mm/ 0.5mm/
1.0mm
•
Long term stable calibration
•
Stainless Steel leaf sieve filter resists
blocking
•
Optional internal Data Logger, with no
external power requirement
•
In-build discharge outlets at base for water
collection and analysis
•
Dual output signal for data collection and
transmission
•
World class meteorological instrument
•
Easy to service with low maintenance
requirement
ISO
9001
HYDROLOGICAL SERVICES PTY.LTD.
QUALITY SYSTEM
CERTIFIED
HYDROLOGICAL INSTRUMENTS & EQUIPMENTS
DESIGNED AND MANUFACTURED
BY HYDROLOGISTS
Description
Specifications
The Hydrological Services Tipping Bucket Raingauge
is recognised as the world standard for measuring
rainfall and precipitation in remote and unattended
locations.
The integrated syphon mechanism delivers high levels
of accuracy across a broad range of rainfall intensities.
Each unit consists of a collector funnel with stainless
steel leaf sieve, an integrated syphon control
mechanism, an outer enclosure with quick release
fasteners, and base which houses the tipping bucket
mechanism.
The unit includes dual output reed switches with
varistor protection as well as dual rainfall discharge
outlets for water collection and/or analysis.
The bucket tips when precipitation of 0.01 inch,
0.2mm, 0.5mm or 1.0mm has been collected. Each tip
is marked by a reed switch closure and sorted to a
Data Logger and/or used by a Telemetry System.
The Tipping Bucket Raingauge can be used in
conjunction with Hydrological Services data logger
model ML1. The logger is rugged and compact, it
records the date and time of occurrence of tips from
the raingauge up to 100,000 events with 1 Second
Resolution can be stored in the ML1's memory. The
data is stored in a flash EPROM.
Receiver:
200 mm + 0.3 diameter machined aluminium
rim. Powder coated.
Bucket capacity:
0.2 mm, 0.5 mm,1.0 mm, 0.01 inch of rainfall.
Sensitivity:
one tip.
Measuring range: 0 to 700 mm / hr.
Calibration
accuracy:
+ 2 % for intensities from 25 to 500 mm/hr.
Long term stable calibration.
Humidity:
0 to 100 %
Temperature:
- 20 to +70••C
Contact system:
dual reed switches potted in soft silicon rubber
with varister protection.
- Max Capacity:
12 VA (0.5 amp max.)
- Resistance:
Initial contact resistance 0.1 OHMS
- M.T.B.F:
108 to 109 Operations
Syphon:
0.4 mm capacity of rainfall - made from brass
with a non hydroscopic outer case.
Bucket:
two types of buckets, synthetic ceramic coated
brass bucket balanced to ±0.05 gms, and
injection moulded non hydroscopic plastic
ABS balanced ±0.05 gms.
Base:
Diecast aluminium.
Level:
bulls eye level adhered to aluminium base.
Mounting holes: three 10 mm diameter mounting holes with
117 mm p.c.d. cast in feet attached to
outside diameter of base.
ML1-FL
The ML1 fits inside the model TB3 Raingauge. Its
compact design makes it ideal for incorporation into
any piece of equipment where intelligent data
acquisition and logging are required.
Accessories
Description
Data Logger
RS232 to USB Converter
Field Calibration Device
TB3 Heater Kit
TB3 Bird Guard
TB3 Pole Mounting Bracket
Part No.
ML1/ML1-FL
DL307
TB320 / FCD
TB323
TB333
TB334
48-50 SCRIVENER STREET, WARWICK FARM, 2170 SYDNEY,
AUSTRALIA.
A.B.N. 37 000 732 954
PO Box 332 Liverpool BC 1871
PH: 02 96012022
(INT.612 9601 2022)
FAX: 02 9602 6971
(INT.612 9602 6971)
Email: [email protected]
Website: www.hydrologicalservices.com
to attach 12 mm inside diameter tubing, to
catch rainfall after passing through
buckets.
Pivots:
ground sapphire pivots with hard stainless steel
shaft.
Insect covers:
stainless steel mesh on all openings to prevent
insects and ants entering gauge.
Outer enclosure:
keyed to enable the release of the outer
enclosure without the need for the removal of
the three securing screws.
Height:
342mm
Weight:
3 kg
Distributed by
HYDROLOGICAL SERVICES PTY. LTD.
Drain fittings:
EXPORT 7,07
Bulletin 9G,
Edition 1
TIPPING BUCKET RAINGAUGE
MODEL TB6
•
World standard 200mm catch
•
Bucket size: 0.01 inch/ 0.2mm/ 0.5mm
•
Long term stable calibration
•
Leaf filter resists blocking
•
Optional internal Data Logger, with no
external power requirement
•
In-built discharge outlets at base for water
collection and analysis
•
Dual output signal for data collection and
telemetry
•
World class meteorological instrument
•
Easy to service with low maintenance
requirement
(A)
ISO
9001
QUALITY SYSTEM
CERTIFIED
HYDROLOGICAL SERVICES PTY.LTD.
HYDROLOGICAL INSTRUMENTS & EQUIPMENTS
DESIGNED AND MANUFACTURED
BY HYDROLOGISTS
Description
Specifications
The Hydrological Services Tipping Bucket Raingauge
model TB6, is recognised as the world standard for
measuring rainfall and precipitation in remote and
unattended locations.
Receiver:
200 mm + 0.3 diameter, injection moulded ABB.
Bucket capacity:
0.5 mm of rainfall.
Sensitivity:
one tip.
Each unit consists of a collector funnel with Leaf filter,
an integrated flow control mechanism, an outer
enclosure with quick release fasteners, and base which
houses the tipping bucket mechanism.
The unit includes dual output reed switches with
varistor protection as well as dual rainfall discharge
outlets for water collection and/or analysis.
The bucket tips when precipitation of 0.01 inch, 0.2mm
or 0.5mm has been collected. Each tip activates a reed
switch closure which is detected by a Data Logger
and/or Telemetry System.
Measuring range: 0.2 mm, 0.5 mm or 0.01 inch of rainfall.
The Tipping Bucket Raingauge can be used in
conjunction with Hydrological Services data logger
model ML1. The logger is rugged and compact, it
records the date and time of occurrence of tips from the
raingauge up to 100,000 events with 1 Second Resolution
can be stored in the ML1's memory. The data is stored
in a flash EPROM.
Calibration
accuracy:
Humidity:
0 to 100 %
Temperature:
- 20 to +70••C
Contact system:
dual reed switches potted in soft silicon rubber
with varistor protection.
- Capacity:
- Resistance:
- M.T.B.F:
chrome plated injection moulded, ABS bucket
balanced to ± 0.05 gms. Retains less than 0.2 ml
of water in each bucket after tipping.
Base:
injection moulded non hydroscopic ABB.
Level:
bulls eye level fitted to base.
Mounting holes:
three 10 mm diameter mounting holes at 117 mm
p.c.d. in feet moulded to outside diameter of base.
Drain fittings:
able to attach 12 mm inside diameter tubing, to
catch rainfall after passing through buckets.
ML1-FL
Description
Part No.
(A) TB3 Pole Mounting Bracket TB334
(B) Field Calibration Device
TB320 / FCD
(C) Data Logger
ML1 or ML1-FL
(D) RS232 to USB Converter
DL307
two stainless steel rolling bearings, mounted at 90
degrees to bucket axle.
Insect covers:
stainless steel mesh on all openings to prevent
insects and ants entering gauge.
Outer enclosure:
keyed to enable the release of the outer enclosure
without the need for the removal of the three
securing screws.
Height:
300mm;
Packed
Dimensions:
3.2 Kg (7 lbs), 0.03m3
figure: TB6 base with ML1-FL logger Installed
Accessories
0.5 amp, 12 Volts D.C.
Initial contact resistance 0.1 OHMS
108 to 109 Operations
Bucket:
Bucket pivot
system:
The ML1 fits inside the model TB6 Raingauge. Its
compact design makes it ideal for incorporation into any
piece of equipment where intelligent data acquisition
and logging are required.
±2 % for intensities from 0 to 100 mm/hr.
±3% for intensities from 100 to 300 mm/hr
Long term stable calibration.
Weight: 2 kg (4.4 lbs)
HYDROLOGICAL SERVICES PTY. LTD.
Distributed by
48-50 SCRIVENER STREET, WARWICK FARM, 2170 SYDNEY,
AUSTRALIA.
A.B.N. 37 000 732 954
PO Box 332 Liverpool BC 1871
PH: 02 96012022
(INT.612 9601 2022)
FAX: 02 9602 6971
(INT.612 9602 6971)
Email: [email protected]
Website: www.hydrologicalservices.com
Export, 7,07
HYDROLOGICAL SERVICES PTY LTD
Field Calibration Device
Description:
In response to field Hydrologists’’ requests for a device to check the calibration of Tipping Bucket
Raingauges in the field, Hydrological Services have developed a Field Calibration Device. It is a
light, portable device that allows field calibration tests. Using this instrument will save field time and
money. The advantage of using a Field Calibration Device is that the Tipping Bucket Raingauges can
remain fixed in their location and are therefore only out of service for a very short period of time.
The Field Calibration Device has adopted the same basic principles as the Model TB340 Calibration
Unit but operates in a slightly different manner. The Field Calibration Device nozzle is unscrewed
from the cylinder, which is in turn filled with water to the very top. The nozzle is then screwed back
on the cylinder and placed through the holding plate which sits on the catch of any Tipping Bucket Raingauge.
When the cap on the Field Calibration Device is closed, the air is entrapped in the cylinder.
When the cap is removed a vacuum is created and the water is released down through the nozzle
and into the Tipping Bucket Raingauge. A preset volume (653ml) water will discharge through the
Tipping Bucket Raingauge. This process is to be repeated a second time for an accurate calibration
check. The number of tips can be manually counted or stored on the data logger for calibration check
evidence and then checked with ‘‘Calibration Specifications’’ to confirm that the results come within
the acceptable range.
Figure: FCD
Distributed by: Hoskin Scientific Limited
239 East 6th Ave, Vancouver BC V5T 1J7
Phone: (604) 872 7894
Fax: (604)872 0281
Email: [email protected]
Website: www.hoskin.ca
Bulletin 9F,
Edition 3
RAINGAUGE HEATER KIT
MODEL TBH-LP
•
Power Requirement AC/DC
•
Low Power Consumption - Only
Operating When Snow Is Detected
•
Fully Automated Operation
•
Thermostatically Controlled
Heating Element
•
SDI-12 Interface
ISO
9001
QUALITY SYSTEM
CERTIFIED
HYDROLOGICAL SERVICES PTY.LTD.
HYDROLOGICAL INSTRUMENTS & EQUIPMENT
DESIGNED AND MANUFACTURED
BY HYDROLOGISTS
OPERATION
DESCRIPTION
The Hydrological Services Tipping Bucket Heater has
been designed for use with the Hydrological Services
Tipping Bucket Raingauges. The device is a
thermostatically controlled heating element, that raises
the temperature of the interior of the raingauge, funnel
and catch to avoid the freezing of the gauge in cold
climates with subsequent loss of precipitation records.
When the ambient temperature drops below a preset
value (+ 4oC), the snow sensor in the funnel is
activated. The heating elements remain “OFF” until
snow is detected in the catch area (funnel). The heating
elements are turned on and off to keep the funnel
temperature at the preset Setpoint temperature.
(+ 10oC ) This will continue for a minimum preset time
(18 mins) after there is no snow remaining in the catch.
The heater will then be switched off and the unit will
return to the “WAIT” mode until triggered by another
snow event. The system will be de-activated when
temperature drops below (-15 oC) or above (+5 oC)
nominal.
When the TB Heater is “not Active” the status LED flashes
every 1.5 seconds. When the ambient temperature sensor
detects the temperature fall below the “Active On
temperature” (+4oC) then the system becomes “Active” and
the snow sensor is enabled. The status LED flashes slightly
faster at 2 flashes per second – indicating the system is active.
When the proximity sensor detects snow (for 5 seconds
continuously), the heater elements are turned on and the block
temperature sensor is monitored. The heaters are controlled so
that the temperature inside the funnel reaches the Set Point
temperature (+10oC). The lower heating block keeps the
tipping bucket and the drain tubes from freezing up. While
the heater elements are turned on, the status LED flashes at 8
flashes per second. (For more information about the operation
of the TB Heater please refer to the manual).
SPECIFICATIONS
Ambient temperature range
-40oC to +70oC (-40oF to +158oF)
Snow sensor and heater operating parameters
Between -15oC to +4oC (14oF to 39oF)
Snow Sensor
Average power generated
35 watts (150 watts during initial minute warm up)
Voltage requirements
Main Power:
10VDC to 30VDC OR
12VAC to 28VAC
SDI-12 Power:
9.6VDC to 16VDC (SDI-12 standard)
Temperature Sensor
The combination of snow sensor and thermostatic
control of the heater element is designed to conserve
power. The TB Heater is supplied ready to be installed
with no settings required. The TB Heater incorporates
an SDI-12 interface that allows the operator to
configure, monitor and manually control the TB Heater
– depending on the system requirements. (It is not
mandatory to use the SDI-12 interface – but only
optional if more detailed information or control is
required.) The SDI-12 interface is optically isolated
from the control electronics, because the control
electronics may be operated from AC and therefore
have separate earthing. The SDI-12 interface requires a
separate 12V DC power source. For information
relating to the TB3 Tipping Bucket Raingauge, refer to
the TB3-100 Instruction Manual.
48-50 SCRIVENER STREET, WARWICK FARM, 2170 SYDNEY,
AUSTRALIA.
A.B.N. 37 000 732 954
PO Box 332 Liverpool BC 1871
PH: 02 96012022
(INT.612 9601 2022)
FAX: 02 9602 6971
(INT.612 9602 6971)
Email: [email protected]
Website: www.hydrologicalservices.com
Power generated and current requirements
- 12 VDC
- 45 watts average (70 watts when heater is on)
- 3.7 amps average (approx 65% duty cycle) (5.8 amps when
the heater is on)
Average weekly energy consumption
Assume 4 x 10 hour snow storms in a week
- Energy = 4 x 10 x 45W = 1800 Watt hours / week
- AmpHours = 4 x 10 x 3.7A = 150 AmpHours (over 1 week)
- Which averages to 150Ah / (24 x 7) = 0.9 Amps Average
over a week
Specifications are subject to change at anytime without notice.
Distributed by
HYDROLOGICAL SERVICES PTY. LTD.
SDI-12 Interface optically isolated ,1200 baud, 7 bits, even
parity.
Export, 1,07
ACCUBAR®
BAROMETRIC PRESSURE SENSOR
HIGHLY ACCURATE, SOLID STATE PRESSURE TRANSDUCER
FEATURES
„ Low power design makes
it ideally suited for remote
monitoring applications.
SPECIFICATIONS
Specifications subject to change without
notice
RANGE
600 to 1100mB
(hPa)
„ Capable of operating from
elevations of 1200 feet below
sea level to 13,000 feet above
sea level
ELEVATION
„ Wide temp range -45°C to
+60°C
-1200 to 13,000
feet
ACCURACY
0.5mB (hPa)
Consult factory for
greater accuracy.
„ Solid state construction
RESOLUTION
0.01mB
„ Low cost
AV. TIME
0 to 240 seconds
(user selectable)
TEMP RANGE
-45°C to +60°C
SUPPLY POWER
+8 to +28VDC
(reverse polarity
protected)
„ Light weight aluminum construction
ORDERING
OUTPUT
5600-0120-1
Pressure Sensor, Barometric, RS232 and SDI-12 outputs
5600-0120-2
Pressure Sensor, Barometric,
RS-232, SDI-12 and Analog
0-5VDC outputs
3.14 in. x 2.95 in. x
2.24 in. excluding
connectors and
cable
WEIGHT
<1 lb
VIBRATION
0 . 5 g @ 1 050Hz
17.7 to 32.5 in. Hg
„ Low power consumption
„ RS-232, SDI-12, and Analog 0 - 5
VDC outputs
DIMENSIONS
RS-232 DATA
PRESSURE FITTING Hose barb for
3/16 in. ID hose
ELECTRICAL
Cable gland for
1/4 in. cable to
CONNECTION
terminal block
for 16 to 28
AWG wire
POWER CONSUMPTION
Standard (-1) RS232 and SDI-12
(-1) RS-232 active
Optional (-2) RS232, SDI-12, and
Analog 0-5VDC
(accuracy 7mV)
SDI-12 active
Continuous or ondemand
21300 RIDGETOP CIRCLE
(703)406-2800
6 mA typ
standby 2 mA typ
(-2) RS 232 active
SDI-12 active
COMMUNICATION 1200 baud, even
parity, 7 data bits,
one stop bit
PRESSURE UNITS
17 mA typ
18 mA typ
9 mA typ
standby 8 mA typ
mB, hPa, kPa, in.
Hg, mm Hg, ATM,
psi, user specified
units
STERLING, VA 20166
(703)406-2801 FAX
WWW.SUTRON.COM
[email protected]
www.vaisala.com
HMP155 Humidity and Temperature Probe
Features/Benefits
HMP155 with a new, stable HUMICAP®180R sensor and an additional temperature
probe.
New probe for reliability
The new Vaisala HUMICAP® Humidity
and Temperature Probe HMP155
provides reliable humidity and
temperature measurement.
Long-term stability
The HMP155 has a new generation
Vaisala HUMICAP®180R sensor that
has excellent stability and withstands
well harsh environments. The probe
structure is solid and the sensor is
protected with a sintered teflon filter,
which gives maximum protection
against liquid water, dust, and dirt.
Warmed probe and high
humidity environment
Measuring humidity reliably is
challenging in environments
where humidity is near saturation.
Measurements may be corrupted
by fog, mist, rain, and heavy dew. A
wet probe may not give an accurate
measurement in the ambient air.
This is an environment to which
Vaisala has designed a patented,
warmed probe for reliable
measuring. As the sensor head is
warmed continuously, the humidity
level inside it stays below the
ambient level. Thus, it also reduces
the risk of condensation forming on
the probe.
Fast temperature
measurement
What’s more, with its fast response
time, the additional temperature
probe for the HMP155 is ideal for
measurement in environments with
changing temperatures.
▪
Vaisala HUMICAP®180R sensor
- superior long-term stability
▪
Optional warmed humidity
probe
▪
▪
▪
▪
Plug-and-play
▪
▪
▪
Weather-proof housing IP66
▪
Applications: meteorological
applications, aviation and road
weather, instrumentation
Chemical purge
USB connection for service use
Installation kits for DTR13 and
DTR502 radiation shields and
also for a Stevenson screen
New, fast temperature probe
Different output possibilities:
voltage, RS-485, resistive Pt100
Long lifetime
Protecting the sensor from scattered
and direct solar radiation, and
precipitation will increase its lifetime.
Thus, Vaisala recommends installing
the HMP155 in one of the following
radiation shields: DTR503, DTR13, or
a Stevenson screen.
Easy maintenance
The probe can be calibrated using a
pc with a USB cable, with the push
buttons, or with the MI70 indicator.
Technical data
Performance
General
RELATIVE HUMIDITY
Measurement range
Accuracy (incl. non-linearity, hysteresis
and repeatability) at
+15 ... +25 °C (+59 ... +77 °F)
0 ... 100 %RH
±1 %RH (0 ... 90 %RH)
±1.7 %RH (90 ... 100 %RH)
-20 ... +40 °C (-4 ... 104 °F)
±(1.0 + 0.008 x reading) %RH
-40 ... -20 °C (-40 ... -4 °F)
±(1.2 + 0.012 x reading) %RH
+40 ... +60 °C (+104 ... +140 °F)
±(1.2 + 0.012 x reading) %RH
-60 ... -40 °C (-76 ... -40 °F)
±(1.4 + 0.032 x reading) %RH
Factory calibration
±0.6 %RH (0 ... 40 %RH)*
uncertainty (+20 °C /+68 °F)
±1.0 %RH (40 ... 97 %RH)*
* Defined as ±2 standard deviation limits. Small variations possible,
see also calibration certificate.
Recommended humidity sensor
HUMICAP®180R(C)
Response time at +20 °C in still air with
a sintered PTFE filter
63 %
20 s
90 %
60 s
TEMPERATURE
Measurement range
-80 ... +60 °C (-112 ... +140 °F)
Accuracy with voltage output at
-80 ... +20 °C
±(0.226 - 0.0028 x temperature) °C
+20 ... +60 °C
±(0.055 + 0.0057 x temperature) °C
passive (resistive) output
according to IEC 751
±(0.1 + 0.00167 x |temperature|)°C
1/3 Class B
RS485 output
-80 ... +20 °C
±(0.176 - 0.0028 x temperature) °C
+20 ... +60 °C
±(0.07 + 0.0025 x temperature) °C
Accuracy over temperature range (opposite)
Temperature sensor
Pt100 RTD 1/3 Class B IEC 751
Response time with additional temperature
probe in 3 m/s air flow
63 %
<20 s
90 %
<35 s
Operating temperature range
Storage temperature range
Connection
Connection cables
Cable material
Wire size
Service cables
-80 ... +60 °C (-112 ... +140 °F)
-80 ... +60 °C (-112 ... +140 °F)
8-pin male M12 connector
3.5, 10, and 30 m
PUR
AWG26
USB connection cable
MI70 connection cable
Additional T probe cable length
2m
Housing material
PC
Housing classification
IP66
Sensor protection
sintered PTFE
Weigth (probe)
86 g
Electromagnetic compatibility: Complies with the EMC standard
EN61326-1, Electrical equipment for measurement control and
laboratory use - EMC requirement for use in industrial locations
Inputs and outputs
Operating voltage
7 ... 28 VDC*
*Note: minimum operating voltage 12 V with 0 ... 5 V output
and 16 V with 0 ... 10 V output, probe heating, chemical purge or
XHEAT.
Outputs
voltage output
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
resistive Pt100 (4-wire connection)
RS485
Average current consumption
(+15 VDC, load 100 kOhm)
0 ... 1 V output
<3 mA
0 ... 10 V output
+0.5 mA
RS485
<4 mA
during chemical purge
max. 110 mA
with warmed probe
max. 150 mA
Settling time at power-up
voltage output
2s
RS485
3s
OTHER VARIABLES
dewpoint/frost point temperature,
wet bulb temperature, mixing ratio
0.5
ǻ ºC
0.4
0.3
0.2
0.1
ºC
0
-0.1
-0.2
-0.3
-0.4
-0.5
-80
-60
-40
-20
RS485 output
For more information, visit
www.vaisala.com or contact
us at [email protected]
0
20
40
60
voltage output
Ref. B210752EN-C ©Vaisala 2009
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
P.O. Box 26, FIN-00421 Helsinki, FINLAND
Tel: +358 9 894 91
Fax: +358 9 8949 2485
Email: [email protected]
www.vaisala.com
9DLVDOD:HDWKHU7UDQVPLWWHU:;7
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The Vaisala Weather
Transmitter WXT510
makes building weather
stations easier than
ever. It combines
decades of experience
and the latest
innovations on weather
instruments into a
compact and durable
package.
The Vaisala Weather Transmitter
WXT510 is a compact and lightweight
multi-sensor instrument that measures
the most essential weather parameters.
It is a configurable product that can
measure wind speed and direction,
liquid precipitation, barometric
pressure, temperature and relative
humidity — all in one transmitter.
sensor technology, advanced design and
decades of experience in environmental
measurements resulting a high quality
instrument that reliably measures all
essential weather parameters. This
makes the WXT510 an optimal building
block for dense weather measurement
networks, and other weather stations
used in multiple applications.
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The WXT510 is truly flexible and it can
be configured to meet most user
requirements. The transmitter is easy to
install with its one-bolt-mounting
method. Easy and fast installation, as
well as low power consumption make it
ideal for use in weather stations or
applications where light weight and
compactness are an advantage. As the
WXT510 has no moving parts, it is
durable and has long maintenance
intervals. The materials used are also
highly resistent against UV radiation
and corrosion.
The demand for accurate weather
information is constantly increasing. In
addition to professional meteorology,
there are also numerous businesses that
are weather sensitive, even though
measuring the environment is not their
actual core operation.
To meet the growing needs for easy-toaccess weather data, the Vaisala
Weather Transmitter WXT510 has been
developed. It combines the modern
• Six most essential weather
parameters combined in one
instrument
• Accurate and stable measurement
• Proven Vaisala sensor technology:
• Vaisala WINDCAP® Ultrasonic
Wind Sensor for wind speed and
direction
• Vaisala RAINCAP® Sensor for
advanced precipitation
measurement
• Vaisala BAROCAP® Sensor for
barometric pressure
• Vaisala THERMOCAP® Sensor for
temperature
• Vaisala HUMICAP® Sensor for
relative humidity
• No moving parts
• Low power consumption
• Compact and light weight
• Fast and simple to install
• Low maintenance
• WXT Configuration Tool for PC
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Accurate measurement begins with the
sensors. Vaisala has decades of
experience in designing and
manufacturing weather sensors with
field proven reliability and accuracy.
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Both wind speed and direction are
measured using the advanced Vaisala
WINDCAP® Sensor. The sensor uses
ultrasound to determine horizontal
wind speed and direction. The array of
three equally spaced ultrasonic
transducers on a horizontal plane is an
ideal, Vaisala proprietary design. The
design ensures accurate wind
measurement from all wind directions,
without blind angles or corrupted
readings.
The WXT510 measures accumulated rain
fall, rain intensity and duration of the rain
in real time.
The wind sensor has no moving parts,
which makes it maintenance free. The
measurement range for wind speed is
from 0 to 60 m/s and for wind direction
from 0 to 360°.
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The precipitation measurement is
based on the Vaisala RAINCAP® Sensor,
which detects the impact of individual
rain drops. The signals exerting from the
impacts are proportional to the volume
of the drops. Hence, the signal from
each drop can be converted directly to
the accumulated rainfall.
Barometric pressure is measured using
the silicon-based Vaisala BAROCAP®
Sensor. The sensor has minimal
hysteresis and excellent repeatability, as
well as outstanding temperature and
long-term stability. The measurement
range for pressure is from 600 to 1100
hPa.
Temperature measurement is based on
the ceramic Vaisala THERMOCAP®
Sensor. The measurement range is from
-52 to +60 °C.
The patented ultrasonic based Vaisala
WINDCAP® Sensor ensures accurate wind
measurement from all wind directions.
Compared to traditional precipitation
gauges, the Vaisala RAINCAP® Sensor
gives more detailed information about
precipitation. The WXT510 measures
accumulated rainfall, rain intensity and
duration of the rain — all in real time.
Due to the measurement method,
flooding, clogging as well as wetting and
evaporation losses in rain measurement
are eliminated.
The Vaisala RAINCAP® Sensor is the
only maintenance-free precipitation
sensor on the market.
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Barometric pressure, temperature and
humidity measurements are combined
in an advanced PTU module utilizing
capacitive measurement method for
each parameter.
Humidity measurement is based on the
Vaisala HUMICAP® technology. The
Vaisala HUMICAP® Sensor is highly
accurate and it offers excellent longterm stability in a wide range of
environments and negligible hysteresis.
The measurement range for humidity is
0...100 %RH.
The whole PTU module is replaceable
and available as a spare part.
Barometric pressure, temperature and
humidity sensors are combined in an
advanced PTU module placed inside the
specially designed radiation shield.
The PTU module is mounted in a
specially designed radiation shield. The
shield protects the sensors from both
scattered and direct solar radiation and
precipitation. The plastic material in the
plates offers excellent thermal
characteristics and UV stabilized
construction. The white outer surface
reflects radiation, while the black inside
absorbs accumulated heat.
P.O. Box 26, FIN-00421 Helsinki, FINLAND
Tel: +358 9 894 91
Fax: +358 9 8949 2485
Email: [email protected]
www.vaisala.com
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The screw terminals inside the bottom
part of the transmitter are easy to
access. For extra convenience an
industry standard 8-pin M12 connector
at the bottom of the transmitter is
available as an option.
The WXT Configuration Tool
includes an easy-to-use Windows®
software that enables the further
adjustment of WTX510 settings. In
addition, the software can be used
as a WXT510 user interface /
display in a PC environment.
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In order to have measurement data
constantly available and ensure correct
measurement also during snowfall, the
WXT510 offers heating for the wind
and rain sensors. The heating circuit is
separate from the operational power,
which makes it possible to use separate
supplies. The nominal input level for
heating voltage is 12 V or 24 V (with
automatic switch-over), either DC, AC or
rectified AC. The WXT510 has an
automatic control circuit that switches
the heating on only at low temperatures.
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The WXT510 has a wide input voltage
range. Any 5... 30 VDC power supply
can be used as long as it meets all
applicable safety regulations.
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The WXT510 is supplied preconfigured from the factory. If the
factory settings are needed to be
altered, the user friendly configuration
tool, Windows® based WXT
Cofiguration Tool, is available. Averaging
times, output mode settings etc. are
easy to change if required. The WXT
Configuration Tool can also be used as a
display for the WXT510 transmitter.
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The Vaisala Weather Transmitter
WXT510 is an excellent choice for
applications where power consumption
is a critical factor. During the idle mode
the device typically consumes less than
0.1 mA.
The Vaisala Weather Transmitter
WXT510 communicates with the host
via a bi-directional serial line. It offers a
choice of four configurable serial
interfaces: SDI-12, RS-232, RS-485 and
RS-422.
The Vaisala Weather Transmitter
WXT510 has been designed
considering easy installation. After
assembling the calibratd PTU module,
the WXT510 only needs to be mounted,
aligned, and connected to the data
logger and the power source.
The WXT510 can be mounted either on
top of a pole mast or on to a cross arm.
In both cases the mounting procedure
is very simple. For facilitating the
installation to the pole mast and
eliminating the risk of misalignment
during the use an optional mounting kit
is available. With the mounting kit the
north alignment needs to be performed
only once.
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The Vaisala Weather Transmitter
WXT510 is calibrated at the factory and
requires very little maintenance. The
only maintenance actions are cleaning
the transmitter when necessary and
replacing the PTU module. Both rain
and wind measurements are practically
calibration free. The PTU unit has a
recommended calibration interval of
two years.
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Transducer separation length, L
1
2
Time of flight, t1
Vw
Parallel component of wind velocity
1
2
Time of flight, t2
For static speed of sound Vs:
Combine to remove Vs:
Solve for Vw
Transmit Receive
Receive Transmit
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1 = Vs + V w and 1 = Vs + V w
t1
L
L
t2
Vw = L
2
( 1t
-1
1
t2
Basis A
set 1
2
C
th
pa
pa
th
a
60˚
60˚
60˚
path b
3
Basis
set 2
Basis A
set 3
B
C
0...360°
250 ms
Average, maximum and minimum
± 2°
1°
1…600 s (= 10 min), at one second steps
on the basis of 0.25 second samples
1…3,600 s (= 60 min), at one second steps
Update interval
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Rainf
infaall
cumulative accumulation after
latest automatic or manual reset
60 cm2
0.01 mm (0.001 in)
5% *
mm, in
ur
R ain d
dur
uraation
counting each ten second increment
whenever droplet detected
10 s
Ouput resolution
B
C
R ain in
inttensity
Range
Ouput resolution
Units available
V3
V2
Uj ∝ Vj
P = f(U)
The precipitation sensor detects the impact of individual raindrops.
The voltage signals Uj resulting from the impacts are proportional to
the volume of the drops Vj and therefore, the signal of each drop can
be directly converted to accumulated precipitation P.
one minute running average in ten second steps
0...200 mm/h
(broader range with reduced accuracy)
0.1 mm/h (0.01 in/h)
mm/h, in/h
Hail
cumulative amount of hits against collecting surface
Output resolution
0.1 hits/cm2 (1 hits/in2)
Units avaiable
hits/cm2, hits/in2, hits
Hail d
ur
dur
uraation
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V1
Win
d dir
ind
direection
Azimuth
Response time
Available variables
Accuracy
Output resolution
Collecting area
Output resolution
Accuracy
Units available
The equilateral triangle configuration of the three transducers
provides three possible sets of basis vectors. The combinations yield
bi-directional measurements on the paths labeled A, B and C. These
measurements are used to determine the wind velocity components
parallel to each of the three paths.
Vi
0...60 m/s
0.25 s
average, maximum and minimum
± 0.3 m/s or ±2% whichever is greater
0.1 m/s (km/h, mph, knots)
m/s, km/h, mph, knots
Measur
ureement ffrrame
Averaging time
)
Time-of-flight for a sonic impulse from the transmit transducer to
the receive transducer is determined for both directions. Simple
algebra allows solving for the parallel component of wind velocity
independently of the static speed of sound.
1
Win
d ssp
p e ed
ind
Range
Response time
Available variables
Accuracy
Output resolution
Units available
Output resolution
counting each ten second increment whenever
hailstone detected
10 s
Hail in
inttensity
Output resolution
Units available
one minute running average in ten second steps
0.1 hits/cm2h (1 hits/in2h)
hits/cm2h, hits/in2h, hits/h
* Due to the nature of the phenomenon, deviations caused by spatial
variations may exist in precipitation readings, especially in short time
scale. The accuracy specification does nor include possible wind
induced error.
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Range
Accuracy
600...1 100 hPa
±0.5 hPa at 0...+30 °C (+32...+86 °F)
±1 hPa at -52...+60 °C (-60...+140 °F)
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Output resolution
Units available
0.1 hPa, 10 Pa, 0.0001 bar, 0.1 mmHg, 0.01 inHg
hPa, Pa, bar, mmHg, inHg
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Range
-52 … +60 °C (-60...+140 °F)
Accuracy (for sensor element) at +20 °C (+68 °F)
±0.3 °C (±0.5 °F)
Accuracy over temperature range (see graph)
Δ ˚C
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Input Voltage
Power consumption on average
minimum
maximum
typical
0.07 mA @ 12 VDC (in SDI-12 mode)
13 mA @ 30 VDC (with continuous
measurement of all parameters)
3 mA @ 12 VDC (with default measuring intervals)
Heating voltage
recommended ranges
0.7
0.6
0.5
0.4
0.3
0.2
absolute max
0.1
0
˚C
-0.1
-0.2
-0.3
options: DC, AC, full wave rectified AC
12 VDC ±20%, 1.1 A max.
24 VDC ±20%, 0.6 A max.
68 Vp-p ±20% (AC), 0.6 Arms max.
34 Vp ±20% (f/w rect. AC), 0.6 Arms max.
30 VDC
84 Vp-p (AC)
42 Vp (f/w rect. AC)
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Complies with EMC standard: EN61326-1:1997 + Am1:1998 + Am2:2001;
Generic Environment.
-0.5
-0.6
-0.7
-80
5...30 VDC
-60
-40
-20
0
20
60
40
80
'LPHQVLRQV
Output resolution
Units available
0.1 °C (0.1°F)
°C, °F
Dimensions in mm (inches).
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Range
Accuracy
Output resolution
120 (4.7)
0...100 %RH
±3 %RH within 0...90 %RH
±5 %RH within 90...100 %RH
0.1 %RH
127 (5)
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Start-up
Communication protocols
Port H/W
Baud rate
Operating temperature
Storage temperature
Operating humidity
Dimensions
Height
Diameter
Weight
separate supervision message,
unit/status fields to validate
measurement quality
automatic, <10 seconds from
power on to the first valid output
TOP VIEW
SDI-12 v1.3, ASCII automatic & polled,
NMEA-0183 v3.0 with query option
SDI-12, RS-232, RS-485, RS-422
1 200, 2 400...115 200
-52…+60 °C (-60...+140 °F)
-60…+70 °C (-76...+158 °F)
0...100 %RH
240 mm (9.4 in)
120 mm (4.7 in)
650 g (1.43 lbs)
Vaisala Oyj, P.O. Box 26, FIN-00421 Helsinki, FINLAND
Tel: +358 9 894 91, Fax: +358 9 8949 2485
Email: [email protected]
Please look for other locations at www.vaisala.com.
Mounting kit (optional)
BAROCAP®, HUMICAP®, RAINCAP®, THERMOCAP® and
WINDCAP® are registered trademarks of Vaisala.
Specifications subject to change without prior notice.
© Vaisala Oyj
Ref. B210417en 2004-10
Self-diagnostic
40 (1.6)
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240 (9.4)
3…3 600 s (= 60 min),
at one second steps
32 (1.3)
Update interval
Hydrology

Meteorology

Geology
Snow depth
Snow-depth sensor – USH-8
The robust design of the USH-8 makes it ideal for the reliable
measurement of snow-depth in extreme conditions. It is used by the
central weather services all over Europe as well as by the avalanche
warning services in high mountain regions. The ultrasonic membrane
incorporated into the USH-8 stands out due to its long service life.
The additional air-temperature detection feature permits
precise measurement of snow-depth over a wide
temperature range.
The powerful ultrasonic impulses emitted by this snowdepth sensor deliver reliable readings even when there
is a difficult reflection ratio, as is the case with powdery
or fresh snow.
The sensor is characterized by its high level of operating
reliability, low energy consumption and ease of use in
the field.
The operating parameters and adjustment settings of
the USH-8 are controlled simply and easily via a
standard terminal program installed on a PC or laptop
computer.
Features and characteristics
 Hard-wearing, highly robust measuring head
 Precise measurement thanks to integrated temperature
compensation
 Reliable readings even with the difficult reflection ratio caused
by powdery or fresh snow
 Analog and digital interface ensures universal application
 Intelligent processing of measurement readings for
compensation and filtering of effects of the weather
 Watertight design for outdoor use in the open air
Hydrology

Meteorology

Geology
Technical specifications
USH-8
Measurement range – Snow depth
Measurement range: 0 to 8 m; resolution: 1 mm; accuracy: 0.1 % (FS)
Measurement principle / sensor: ultrasonic (frequency 50 kHz; beamwidth 12°)
Measurement range – Temperature
Measurement range: -40 °C to +60 °C; resolution: 0.1 °C; non-linearity: ” %
Measurement principle / sensor: semiconductor (external sensor in air-cooled radiation shield)
Functions
Distance or depth measurement (configurable)
Interface – Analog
Distance / snow level
Signal: 0/4 to 20 mA (configurable); resolution: 12 bit; max. load 100 Ÿ
Interface – Digital
Distance / snow level and air temperature
Interface: RS 232; data transmission rate: 1.2 to 19.2 kBd
Protocol: various ASCII protocols
Power supply
Supply voltage: 10,5 to 15 VDC
Current consumption: max. 200 mA (measuring phase, approx. 3 seconds); 5 mA (standby)
Energy consumption: 0.5 Ah / day (with measuring interval of 1 minute)
Lightning protection
Discharge capacity: built in lightning protection with 0.6 kA discharge capacity
Range of application
Operating temperature: -40 °C to +60 °C
Housing
Basic dimensions: diameter: 80 mm; length: 230 mm
Thermal shield: diameter: 110 mm; length: 120 mm
Material: Anodised natural aluminium
Total weight: 2 kg
Protection rating
IP 66
Installation
Mast-mounting device for 61 mm (2 “) pipe
© Copyright 2006 Sommer. All rights reserved. Content
may be changed without notice. Pictures, drawings and
other graphic images are for illustration only and do not
represent
product
configuration.
Subject
deliverability, technical changes and errors excepted.
Version 002
to
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PRODUCT INFORMATION
SPA
Snow Pack Analysing System
Properties and Advantages
»
Registration of the snow parameters:
•
•
•
•
»
Snow depth
Snow density
Snow water equivalent
Contents of liquid water and ice
System assembly on demand
• Information above the whole snow cover
• Information above a specific snow depth
level
• Information above an extended area, by
measuring with up to 4 SPA- sensors
»
No measurement errors caused by ice layers in the snow cover
»
Simple and convenient installation even at
hillsides
»
»
Automatic, continuous measurement
Energy- saving sensor operation
• „Standby“ between the measuring phases
• Optimum for solar- powered stations
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PRODUCT INFORMATION SPA
Area
Multiple SPA- sensors are installed in a star shape.
The measurement values of the sensors are averaged and supply information with a high spatial
extent as it is used for example to calibrate remote- sensing data.
Fig. 4: Schematically figure of the system assebly Area.
Example for application
The SPA- system measured high resolution data
in the winter season 2006/2007 for the parameters
snow water equivalent, snow density, snow depth
and liquid water content of the snow pack. The
snowmelt period in april is the most interesting period. First the snow depth is decreasing (A), then
the liquid water content is rising (B) and ten days
after that the snow water equivalent is decreasing
(C). At that point the snowmelt run- off starts. That
shows, that the SPA- system can improve the prediction of snowmelt run- off.
Fig. 5: Data of the SPA- System in the winter season 2006/2007.
Components of the system
Component
Description
1-4 sensors mountable
SPA- sensor
3-10 m sensor length
Weatherproof and UV-resistant flat band that includes three wide copper wires
4 cm depth of penetration of the measurement field
Suspension of the SPA- sensor
Mechanic for fixing and spaning of the SPA- sensors
Sloping sensors featured with a displacement sensor to improve the calculations of the sensor length
Impedance analyser performing the measurements of the complex impedance along the SPA- sensor
Measurement and control unit
Multiplexer controls the switching between multiple sensors and connects the snow depth sensor
Control unit performs the measurements and the calculations of the snow parameters;
serial interface RS 232; ASCII format
Snow depth sensor
Ultrasonic snow depth sensor with integrated temperature compensation
Integration of up to two sensors for temperature (snow, soil, surface)
Optional components
Mast & mechanics
Power supply
Data logging & data transfer
S
Straßenhäuser 27
A-6842 Koblac
Tel.: +43 5523 55989 – 0
Fax: +4
Email: [email protected]
In
Produktinfo_SPA_V004_DEU-ENG.indd 4
Copyright
© Copyright 2009 Sommer. V003. All rights reserved. Content may be
changed without notice. Pictures, drawings and other graphic images are
for illustration only and do not represent product configuration.
Exclusion
Subject to deliverability, technical changes and errors excepted.
21.06.2010 16:21:10
Hoskin Scientific Limited has been supplying testing and
monitoring instruments since 1946. Although our range is
broad, we focus on three major markets including:
Geotechnical & Materials Testing
Environmental Monitoring
Test & Measurement Instrumentation
Hoskin Scientific operates out of three offices within Canada:
3735 Myrtle Street,
Burnaby, BC V5C 4E7
Phone (604) 872-7894
Fax (604) 872-0281
email [email protected]
4210 Morris Drive,
Burlington, ON L7L 5L6
Phone (905) 333-5510
Fax (905) 333-4976
email [email protected]
300 Rue Stinson,
Montreal, PQ H4N 2E7
Phone (514) 735-5267
Fax (514) 735-3454
email [email protected]
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