Campbell | CM110 | CM110, CM115, CM120 Tripod Installation

USER MANUAL
CM110, CM115, CM120
Tripod Installation
Issued: 3.3.14
Copyright © 2005-2014 Campbell Scientific, Inc.
Printed under licence by Campbell Scientific Ltd.
CSL 685
Guarantee
This equipment is guaranteed against defects in materials and workmanship.
This guarantee applies for twelve months from date of delivery. We will
repair or replace products which prove to be defective during the guarantee
period provided they are returned to us prepaid. The guarantee will not apply
to:
•
Equipment which has been modified or altered in any way without the
written permission of Campbell Scientific
•
Batteries
•
Any product which has been subjected to misuse, neglect, acts of God or
damage in transit.
Campbell Scientific will return guaranteed equipment by surface carrier
prepaid. Campbell Scientific will not reimburse the claimant for costs incurred
in removing and/or reinstalling equipment. This guarantee and the Company’s
obligation thereunder is in lieu of all other guarantees, expressed or implied,
including those of suitability and fitness for a particular purpose. Campbell
Scientific is not liable for consequential damage.
Please inform us before returning equipment and obtain a Repair Reference
Number whether the repair is under guarantee or not. Please state the faults as
clearly as possible, and if the product is out of the guarantee period it should
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request. It is the policy of Campbell Scientific to protect the health of its
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Campbell Scientific Ltd,
Campbell Park, 80 Hathern Road,
Shepshed, Loughborough, LE12 9GX, UK
Tel: +44 (0) 1509 601141
Fax: +44 (0) 1509 601091
Email: support@campbellsci.co.uk
www.campbellsci.co.uk
PLEASE READ FIRST
About this manual
Please note that this manual was originally produced by Campbell Scientific Inc. primarily for the
North American market. Some spellings, weights and measures may reflect this origin.
Some useful conversion factors:
Area: 1 in2 (square inch) = 645 mm2
Length:
1 in. (inch) = 25.4 mm
1 ft (foot) = 304.8 mm
1 yard = 0.914 m
1 mile = 1.609 km
Mass:
1 oz. (ounce) = 28.35 g
1 lb (pound weight) = 0.454 kg
Pressure:
1 psi (lb/in2) = 68.95 mb
Volume:
1 UK pint = 568.3 ml
1 UK gallon = 4.546 litres
1 US gallon = 3.785 litres
In addition, while most of the information in the manual is correct for all countries, certain information
is specific to the North American market and so may not be applicable to European users.
Differences include the U.S standard external power supply details where some information (for
example the AC transformer input voltage) will not be applicable for British/European use. Please
note, however, that when a power supply adapter is ordered it will be suitable for use in your country.
Reference to some radio transmitters, digital cell phones and aerials may also not be applicable
according to your locality.
Some brackets, shields and enclosure options, including wiring, are not sold as standard items in the
European market; in some cases alternatives are offered. Details of the alternatives will be covered in
separate manuals.
Part numbers prefixed with a “#” symbol are special order parts for use with non-EU variants or for
special installations. Please quote the full part number with the # when ordering.
Recycling information
At the end of this product’s life it should not be put in commercial or domestic refuse
but sent for recycling. Any batteries contained within the product or used during the
products life should be removed from the product and also be sent to an appropriate
recycling facility.
Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases
arrange collection and the correct disposal of it, although charges may apply for some
items or territories.
For further advice or support, please contact Campbell Scientific Ltd, or your local agent.
Campbell Scientific Ltd, Campbell Park, 80 Hathern Road, Shepshed, Loughborough, LE12 9GX, UK
Tel: +44 (0) 1509 601141 Fax: +44 (0) 1509 601091
Email: support@campbellsci.co.uk
www.campbellsci.co.uk
Contents
PDF viewers note: These page numbers refer to the printed version of this document.
Use the Adobe Acrobat® bookmarks tab for links to specific sections.
1. General ......................................................................... 1
2. Specifications .............................................................. 2
3. Tools List (for tripod, mast and crossarm) ............... 3
4. Tripod Components..................................................... 3
5. Tripod Installation........................................................ 3
5.1 Tripod Base .............................................................................................. 3
5.2 Mast.......................................................................................................... 4
5.3 Installing the Guy Kit ............................................................................... 8
5.3.1 Guy Duckbill Anchor Kits ........................................................... 10
5.3.2 Lowering Mast after Attaching Guy Wires .................................. 12
5.4 Staking the Tripod Feet .......................................................................... 12
5.5 Tripod Grounding .................................................................................. 13
5.6 Enclosure Attachment ............................................................................ 15
5.6.1 Enclosure Mounting to Tripod Mast ............................................ 15
5.6.2 Enclosure Mounting to Tripod Leg .............................................. 16
6. Sensors, arms and brackets ..................................... 18
6.1 Mounting Brackets ................................................................................. 18
6.1.1 CM200E Crossarms and the CM210E Crossarm Mounting Kit . 19
6.1.2 Mounting the Wind Monitor, Wind Sentry or the WXT520
Sensor ....................................................................................... 19
6.1.3 Vector Instruments Wind Speed/Direction Sensors and the
011E Crossarm ......................................................................... 21
6.1.4 Pyranometers and Solarimeters using the CM225E Pyranometer
Mounting Stand ........................................................................ 22
6.1.5 Satellite Antenna using the CM230 Adjustable Angle
Mounting Kit ............................................................................ 23
6.1.6 Specialist Antenna using the CM2235 Magnetic Mounting
Stand ........................................................................................ 23
6.1.7 Temperature and Humidity Probes – in the RM Young Gill
Radiation Shield or the Met 20/21 Radiation Shield................ 25
6.1.8 CM216E Mast Mounting Kit ....................................................... 26
i
Appendix
A. Tripod Tote Bag ....................................................... A-1
Figures
1-1. CM110 Tripod with Optional Guy Kit.................................................... 1
2-1. 60-Degree Guy Angle ............................................................................. 2
4-1. Tripod Components................................................................................. 3
5-1. Tripod Leg, Slide Collar Components .................................................... 4
5-2. Tripod Mast and Insert ............................................................................ 5
5-3. Mast Attachment to Tripod Base ............................................................ 6
5-4. Mast Lock Bracket .................................................................................. 7
5-5. Guy Collar ............................................................................................... 8
5-6. Guy Cinch and Lever Arm ...................................................................... 9
5-7. Mechanical Drawing of Guy Hook and Case ....................................... 10
5-8. Duckbill Guy Anchor ............................................................................ 11
5-9. Top View and Guy Anchor Layout....................................................... 11
5-10. Staking the Tripod Feet ....................................................................... 12
5-11. Ground Rod and Clamp ...................................................................... 13
5-12. Lightning Rod and Tripod Grounding Lug ......................................... 14
5-13. Enclosure with the –MM Bracket ....................................................... 15
5-14. Enclosure with the –LM Bracket ........................................................ 17
6-1. CM210E Crossarm Mounting Kit ......................................................... 19
6-2. NU-RAIL® Fitting................................................................................. 20
6-3. CM220 Right Angle Bracket with a Wind Monitor and vertical pipe .. 20
6-4. CM225E Pyranometer Mounting Stand ................................................ 22
6-5. CM230 Adjustable Angle Mounting Kit............................................... 23
6-6. CM235 Magnetic Mounting Stand........................................................ 24
6-7. RM Young Gill Radiation Shield .......................................................... 25
ii
Tripod Installation Manual
Models CM110, CM115, CM120
1. General
The CM110 (3 m), CM115 (4.7 m), and CM120 (6.4 m) tripods are corrosionresistant stainless steel instrument mounts that support the attachment of sensors,
solar panels, and environmental enclosures. A guy kit is included with the CM115
and CM120 models, and is an option for the CM110. A durable Tripod Tote Bag
is available as an option.
Figure 1-1. CM110 Tripod with Optional Guy Kit
1
CM110, CM115, CM120 Tripod Installation
2. Specifications
CM110
CM115 (see note 3)
CM120 (see note 3)
Height w/mast insert:
3 m (10’)
4.7 m (15.5’)
6.4 m (21.0’)
Weight:
15 kg (34 lbs)
18 kg (40 lbs)
21 kg (46 lbs)
Base diameter w/legs extended:
2 m (7 ft)
2 m (7 ft)
2 m (7 ft)
Dimensions of collapsed tripod:
15 x 15 x 145 cm
(6” x 6” x 57”)
15 x 15 x 145 cm
(6” x 6” x 57”)
15 x 15 x 145 cm
(6” x 6: x 57”)
Vertical load limit:
45 kg (100 lb)
45 kg (100 lb)
45 kg (100 lb)
Mast description
Number of sections:
Length:
Length w/insert:
OD:
Insert OD:
1
1.4 m (4.6’)
2.6 m (8.6’)
4.8 cm (1.9”)
4.45 cm (1.75”)
2
2.8 m (9.3’)
4.1 m (13.3’)
4.8 cm (1.9”)
4.45 cm (1.75”)
3
4.3 m (14.0’)
5.5 m (18.0’)
4.8 cm (1.9”)
4.45 cm (1.75”)
0.75” diameter hole
for user-supplied
0.5” J-bolts
0.75” diameter hole
for user-supplied
0.5” J-bolts
0.75” diameter hole
for user-supplied
0.5” J-bolts
*75 (unguyed)
80 (guyed at feet)
*56.25 (guyed at feet)
75 (guyed at 60°)
*42.25 (guyed at feet)
65 (guyed at 60°)
95 (unguyed)
100 (guyed at feet)
71.25 (guyed at feet)
95 (guyed at 60°)
55.25 (guyed at feet)
85 (guyed at 60°)
20 cm (8”) diameter,
152 cm (60”) length
20 cm (8”) diameter,
152 cm (60”) length
20 cm (8”) diameter,
152 cm (60”) length
Mounting hole in tripod foot:
Wind load recommendations
Sustained wind (mph):
Gust tolerance (mph):
Tote bag dimensions:
Figure 2-1. 60-Degree Guy Angle
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User Manual
3. Tools List (for tripod, mast and crossarm)
1/2” and 7/16” open end wrenches
adjustable wrench
socket wrench with 1/2”and 7/16” deep sockets (optional)
Phillips head screw driver (medium)
Straight bit screwdriver (large)
12” torpedo level
side-cut pliers
pencil
tape measure
compass and site declination angle
shovel
sledge hammer (for driving ground rod and stakes)
step ladder
4. Tripod Components
Figure 4-1 shows the tripod components packaged for shipment. The tripod base
is packaged with the mast, ground rod, lightning rod and (6) stakes. The ground
rod clamp, lightning rod, and grounding wires are enclosed in a bag. The guy kit
(optional for the CM110), and tripod tote bag (optional) are packaged separately.
The CM115 and CM120 tripods include additional mast sections. A diagram
showing how to stow the components inside the tote bag is shown in Appendix A.
Figure 4-1. Tripod Components
5. Tripod Installation
5.1 Tripod Base
WARNING
Tripod installation near power lines is dangerous. The
minimum safe recommended distance from overhead
power lines is 2 times the height of the tripod and mast
combined. Call Blue Stakes to locate buried utilities prior
to installation.
All three models of tripods use the same tripod base. Each leg is adjustable,
which allows the tripod to be adjusted for non-level terrain.
Prepare the area where the tripod will be installed. The tripod requires an area
approximately 7 feet in diameter. Natural vegetation and the ground surface
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CM110, CM115, CM120 Tripod Installation
should be disturbed as little as possible, but brush and tall weeds should be
removed.
Stand the tripod base up on end, and rotate the feet perpendicular to the legs. Each
leg has a slide collar with a spring loaded pin that locks into holes located on the
underside of the leg as shown in Figure 5-1.
Extend each leg until the pin engages in a hole (depress the tab to disengage the
pin from a hole). With the legs extended, orient the tripod so that the open
channel of the tripod base faces North. The tripod is typically plumbed after the
mast has been installed, as described in Section 5.2.
Holes for Pin
Spring-Loaded Pin
Slide Collar
Figure 5-1. Tripod Leg, Slide Collar Components
5.2 Mast
The CM110, CM115 and CM120 tripods have one, two or three mast sections
respectively. The top mast section has a 56” long insert with a series of holes that
can be extended to lengthen the mast. Remove the bolt that secures the insert to
the inside of the mast, and slide the insert out from the mast to see the different
hole locations. Slide the insert back into the mast, aligning the appropriate holes
of the insert with holes in the mast, and replace the bolt.
Additional 56” mast section(s) included with the CM115 and CM120 tripods have
a 16” long insert that is used to connect the mast sections together. Remove the
bolt that secures the insert to the inside of the mast and extend the insert 8”. Align
the holes and replace the bolt. Attach additional mast sections by sliding the
bottom of the next mast section over the insert of a lower section, aligning the
holes and installing the bolt. Typically the bottom mast section is attached to the
tripod and tilted down to a horizontal position, and the additional mast sections
bolted to the bottom section.
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User Manual
Insert
Mast
Figure 5-2. Tripod Mast and Insert
The tripod base has two sets of right-angled holes for attaching the mast; typically
the lower set is used (Figure 5-4A). The mast is attached to the base with a pin,
and secured in the upright position with a locking bracket. Both the pin and the
locking bracket are secured with a lanyard.
To attach the lower mast section, hold the mast upright and align the hole in the
bottom of the mast with the holes in the tripod base. Insert the pin through the
holes, and rotate the wire retainer over the end of the pin as shown in Figure
5-4B. The pin should be seated in the bottom of the hole when the mast is upright.
Lift the mast up so that the pin is in the upper end of the hole to allow the mast to
be tilted down to a horizontal position.
5
CM110, CM115, CM120 Tripod Installation
Pin
Right-Angled Hole
Wire
Retainer
Figure 5-3. Mast Attachment to Tripod Base
Secure the mast in the upright position by installing the locking bracket (Figure 54A). Insert the top of the bracket into the notches in the tripod base, and using
both thumbs, press the bracket into the body of the base until the lower tabs lock
into position. Install the pin as shown in Figure 5-4C. To remove the bracket,
remove the pin and squeeze the lower part of the bracket to disengage the tabs,
then rotate the bracket out and up.
Plumb the tripod by adjusting the northeast and south facing legs. With a level on
the East side of the mast, adjust the Northeast leg for plumb. With the level on the
South side of the mast, adjust the South leg for plumb.
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User Manual
A
Locking Bracket
B
Lower Tabs
C
Pin
Figure 5-4. Mast Lock Bracket
7
CM110, CM115, CM120 Tripod Installation
5.3 Installing the Guy Kit
The CM115 and CM120 tripods include a guy kit; the guy kit is an option for the
CM110. With the mast tilted down in the horizontal position, install the guy collar
over the mast insert, and attach the guy wires as shown in Figure
5-5. Return the mast to the upright position and install the locking bracket.
Guy Collar
Guy Wire
Figure 5-5. Guy Collar
On the end of each guy line is a case consisting of a hook, clamp, and lever arm.
Rotate the lever arm to the “open” position, and attach the hook to the tripod leg
as shown in Figure 5-6. Loosen the Phillips screw, and remove the slack in the
guy line by feeding the load end of the guy wire through the wedge while pulling
up on the dead end (Figure 5-7).
After the slack has been removed from the guy lines, tighten the Phillips screws
and rotate the lever arms to “closed” position to tension the guy lines.
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User Manual
Phillips Screw
Lever Arm “Open”
Hook
Lever Arm “Closed”
Figure 5-6. Guy Cinch and Lever Arm
9
CM110, CM115, CM120 Tripod Installation
load end
dead end
Phillips screw
lever
hook
Figure 5-7. Mechanical Drawing of Guy Hook and Case
5.3.1 Guy Duckbill Anchor Kits
Duckbill anchors are recommended for areas subjected to higher winds. They
allow the guy wires to be anchored at points beyond the feet, thereby increasing
the rating of the tripod for higher winds.
Two duckbill anchor kits are offered for these lightweight tripods. The #19282
Guy Duckbill Standard Anchor Kit is for standard soils, and the #25699 Guy
Duckbill Heavy Duty Kit is for aggressive soils. Aggressive soils have:





Resistivity of less than 3000 ohm-cm
pH of less than 5
Chloride of greater than 1000 ppm
Sulphate of greater than 500 ppm
Poor aeration.
Both the #19282 and #25699 have one drive bar. The #19282 also has four
duckbill anchors with a cable attached to each of them. At the end of the cable is
a loop for connecting the guy wires. The #25699 has a threaded rod attached to
each of the four duckbill anchors instead of the cable. At the end of the threaded
rod is a metal ring for connecting the guy wires.
The duckbill anchors are driven to the ground at a 60-degree guy angle as shown
in Figure 5-8. Locate the anchors on a 2.3 m radius for the CM115, or a 3 m
radius for the CM120 as shown in Figure 5-9. Specifications for sustained wind
speed and gust tolerance are given based on guy angle, and the ability of the
anchors to hold at least 180 kgf.
NOTE
10
Duckbill anchors are not suitable for rocky or sandy soils; the
UTEYE anchors should be considered for these types of soils.
User Manual
It is important that the anchors be driven at the same angle as the guy wires. Insert
the drive bar into the anchor body and drive the anchor into the ground using a
sledgehammer until only the top half of the loop or metal ring remains above the
ground. Place a bar or highlift jack through the loop or metal ring and jack the
anchor up about four inches to rotate the anchor into the load-lock position.
WARNING
Failure to install and lock the anchor at the correct angle
will result in the anchor cable cutting through the soil
until the angles equalize, causing slack
Drive Bar
Duckbill Anchor
Figure 5-8. Duckbill Guy Anchor
CM115
CM120
Radius
2.3 m
3.0 m
Distance Between Anchors
4m
5.3 m
Figure 5-9. Top View and Guy Anchor Layout
11
CM110, CM115, CM120 Tripod Installation
5.3.2 Lowering Mast after Attaching Guy Wires
Once the guy lines have been adjusted the lever arms can be “opened” and the guy
hooks removed to allow the mast to be lowered to the horizontal position.
5.4 Staking the Tripod Feet
Six stakes are provided for securing the tripod feet to the ground. Drive two
stakes through holes in each foot at an angle as shown in Figure 5-10.
Stakes may not be adequate depending on soil structure, maximum wind speeds
experienced at the site, mast height, or wind load from the instrumentation. For
questionable situations, additional stakes (#17049) or even concrete footings for
the tripod feet and guy anchors should be considered.
Figure 5-10. Staking the Tripod Feet
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User Manual
5.5 Tripod Grounding
Place the clamp over the ground rod and drive the rod (close to the centre of the
tripod) using a sledge hammer or fence post driver. Strip 2 cm of insulation from
both ends of the black 4 AWG ground wire. Insert one end of the ground wire
between the clamp and ground rod and tighten the bolt on the clamp. Attach the
other end of the ground wire to the lug on the tripod base as shown in Figure 5-12.
Figure 5-11. Ground Rod and Clamp
Strip 2 cm of insulation from the ends of the green 12 AWG wire. Attach one end
of the wire to the tripod ground lug, and the other end to the enclosure ground lug
as shown in Figure 5-12.
Mount the lightning rod and clamp to the tripod mast as shown in Figure 5-12.
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CM110, CM115, CM120 Tripod Installation
Lightning Rod
Clamp
Ground Lug
Ground Wire
Enclosure Ground Lug
Enclosure Ground Wire
Ground Lug
Figure 5-12. Lightning Rod and Tripod Grounding Lug
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User Manual
5.6 Enclosure Attachment
The ENC 10/12, ENC 12/14, ENC 14/16, and ENC 16/18 enclosures can be
ordered with mounting brackets for the CM100 series tripods. All enclosure
models can be mounted to the tripod mast (above the legs) with the –MM Mast
Mount bracket option. All enclosure models except the ENC 16/18 can be
mounted to the tripod base and leg with the –LM Leg Mount bracket option. Two
enclosures with the –LM brackets can be mounted in a “back to back”
configuration.
5.6.1 Enclosure Mounting to Tripod Mast
An enclosure ordered with the –MM bracket has a three-piece top and bottom
brackets with a U-bolt for each bracket.
Attach an enclosure with the –MM mounting bracket to the tripod mast as follows:
Remove the U-bolts washers and nuts from the brackets.
Position the enclosure against the tripod’s mast (North side recommended).
Install the U-bolts, flat washers, lock washers, and nuts. Tighten the nuts until the
lock washers are compressed.
Route the 14 AWG wire from the grounding lug on the bottom side of the
enclosure to the grounding lug on the base of the tripod (Figure 5-13). Strip 1/2”
of insulation from each end of the wire. Insert wire ends into the grounding lugs
and tighten.
U-Bolt
–MM Bracket
Figure 5-13. Enclosure with the –MM Bracket
15
CM110, CM115, CM120 Tripod Installation
5.6.2 Enclosure Mounting to Tripod Leg
An enclosure ordered with the –LM bracket has a bracket on each side of the
enclosure, and a U-bolt bracket for securing the enclosure to a tripod leg.
Attach an enclosure with the –LM mounting bracket to the tripod base as follows:
Slide the keyhole notch in the upper corner of the –LM bracket over the extended
Phillips head screw located on the tripod base as shown in Figure 5-14. Pivot the
enclosure so the square slot in the bottom corner slides into the square tab.
Remove the washers, nuts and U-bolt from the U-bolt bracket. Install the bracket
as shown in Figure 5-14. Tighten the nuts on the U-bolt until the lock washers are
compressed.
Route the 14 AWG wire from the grounding lug on the bottom side of the
enclosure to the grounding lug on the base of the tripod (Figure 5-14). Strip 1/2”
of insulation from each end of the wire. Insert wire ends into the grounding lugs
and tighten.
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User Manual
A
–LM Bracket
B
Keyhole Notch
Phillips Head Screw
C
U-Bolt Bracket
Figure 5-14. Enclosure with the –LM Bracket
17
CM110, CM115, CM120 Tripod Installation
6. Sensors, arms and brackets
This section describes a range of crossarms and brackets that are used to mount
sensors on the tripod or mast. Typically, one or more crossarms are used with
sensors mounted at the end of the arms, using brackets which are attached to the
arms.
This section does not cover sensors which may not be mounted on
NOTE1.
the mast or tripod (e.g. tipping bucket raingauge) or which are not part of a
standard weather station (e.g. snow depth gauge). For installation details
for these sensors please refer to the manuals provided or contact Campbell
Scientific for assistance.
2.
This Section describes four different sensor mounting arms. Most
weather stations will only use one or two of these arms. When there is
more than one arm, ensure that wind sensors are on the higher arm so that
the other arm does not affect the wind measurements.
6.1 Mounting Brackets
Mounting brackets covered in this section have V-bolts that attach to vertical
and/or horizontal pipes with the following ranges of outside diameters:
V-bolt Description
OD Range
46 mm
25 to 38 mm
62 mm
33 to 54 mm
62 m w/plastic V-block
25 to 54 mm
Some of the brackets (e.g. the CM210) include 38 mm and 50 mm V-bolts to
extend the range of pipe diameters that the bracket can accommodate. Brackets
with holes for a 38 mm V-bolt will accept a user-supplied 44 mm V-bolt.
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User Manual
6.1.1 CM200E Crossarms and the CM210E Crossarm Mounting Kit
CM200E series crossarms include a CM210E bracket as shown in Figure 6-1.
Attach the CM202E (0.6 m, 2ft), CM204E (1.2 m, 4ft), or CM206E (1.8 m, 6 ft)
crossarm to the tripod mast as shown in Figure 7. For wind sensors, the crossarm
should be approximately 2.62 m above the ground for a 3 m mounting height, or
1.63 m for a 2 m mounting height. Typically, the crossarm is oriented East/West
for wind sensors, North/South for pyranometers.
CM210E
Figure 6-1. CM210E Crossarm Mounting Kit
(shown with user-supplied pipe)
6.1.2 Mounting the Wind Monitor, Wind Sentry or the WXT520 Sensor
These sensors are normally mounted at the end of a crossarm on a 33 mm OD
vertical pipe supplied with the sensor. One of two types of brackets are used to
mount the pipe.
1) Campbell Scientific offers NU-RAIL® Slip-on Crossover fittings that can be
used to mount a sensor with a vertical pipe mount on to a CM202E, CM204E,
or CM206E crossarm. Part 008285 is required for sensors that have a 33 mm
OD (1” IPS) mounting pipe.
NU-RAIL® Sensor Compatibility
Sensors supplied with 33 mm OD (1” IPS) mounting pipe:
03001 Wind Sentry Set
05103 Wind Monitor
05106 Wind Monitor Marine
05305 Wind Monitor
WXT520
The NU-RAIL® fitting is slid onto the tubes and fixed in place by tightening
the `Allen’ grub screws (four in total) using the `Allen’ key supplied.
19
CM110, CM115, CM120 Tripod Installation
®
Figure 6-2. NU-RAIL Fitting
2)
An alternative to the NU-RAIL® bracket, is the CM220 bracket, fitted in a
similar way as shown in Figure 6-3 below.
CM220
Figure 6-3. CM220 Right Angle Bracket with a Wind Monitor
and vertical pipe
NOTEIf you are using a Wind Monitor with an SPM2 Mast, an adapter is
available which allows the Wind Monitor to fit directly onto the top of the
mast assembly.
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User Manual
6.1.3 Vector Instruments Wind Speed/Direction Sensors and the 011E
Crossarm
The 011E crossarm sensor mount is also supplied with a CM210E bracket. The
mast/tripod and 011E arm are normally adjusted so that the cups and vane of the
windset are at a specified height above the ground (approximately 2 m for the
SPM2 Mast and CM10/2, and 3 m for the CM10/3). Orient the 011E at 90° to the
arm with any solar radiation sensor on it. It is recommended that the 011E arm is
mounted in an approximately East-West direction to make it easier for wind
sensor adjustment – see Appendix A. The crossarm is normally mounted at its
midpoint.
Once the wind sensors are mounted, you may need to rotate them to ensure correct
wind direction readings or to move the cable to a convenient position. A pair of
spacers and long screws are included with the 011E to allow this. In addition, a
nylon washer is supplied which can be used to stop the spacer and screw falling
out of the crossarm during installation.
Ensure that the crossarm is level in both directions using the spirit level. If it is
not, for a tripod mounted unit, you can adjust the tripod legs. Mount the wind
sensors as follows:
1.
Take the stainless steel washer supplied with the sensor and place it over one
of the long screws.
2.
Push the screw through the 011E from below.
3.
Put the spacer over the screw from the top, with the end with the smaller
internal diameter facing downwards.
4.
Screw the nylon washer onto the free end of the screw for a few threads; it
will be a tight fit but can be screwed on by hand. You can now release the
screw and spacer without them falling out.
5.
Fit the wind sensor onto the screw, orient it appropriately (see below) and
tighten the screw to lock it into position. This will push the nylon washer into
the recess in the spacer.
NOTEThe vane of the direction sensor should be locked into position on the
spindle and the body of the sensor oriented so that it points to true North —
please refer to Appendix A for further details.
CAUTION1.
Ensure that the rotor of the Vector wind speed sensor and
the vane of the wind direction sensor are correctly fitted, as
described in the sensor manuals. Failure to do so can lead to false
measurements or damage to the sensors.
2.
Do not attempt to remove the rotor of the wind speed sensor
or the vane of the wind direction sensor with the sensors fixed to the
crossarm. The correct procedure is described in the sensor
manuals.
21
CM110, CM115, CM120 Tripod Installation
6.1.4 Pyranometers and Solarimeters using the CM225E Pyranometer
Mounting Stand
The CM225E Pyranometer Mounting Stand includes one 62 mm V-bolt with
plastic V-block for attaching a solar radiation sensor to a crossarm or mast.
Compatible sensors include the SP110, SKP215, CMP3, LP02, SR11 and CS300.
Typically, the CM225E and sensor is mounted at the end of a CM200 series arm
in a position where the sensor is not shaded throughout the day. The CM225E can
be mounted on a short arm (CM202E) or at the end of a longer arm (CM206E),
with a wind sensor at the opposite end on the other side of the mast.
The CM225E stand can also be used with the GPS16X-sensor.
CM225E
CM225E
(with sensor and
levelling plate –
varies with
sensor type)
Figure 6-4. CM225E Pyranometer Mounting Stand
22
User Manual
6.1.5 Satellite Antenna using the CM230 Adjustable Angle Mounting Kit
The CM230 mounts an antenna (25-38 mm OD) to a mast or vertical pipe
(33-54 mm OD) as shown in Figure 6-5. The bracket allows the antenna to be
adjusted for different angles.
CM230
Figure 6-5. CM230 Adjustable Angle Mounting Kit
6.1.6 Specialist Antenna using the CM235 Magnetic Mounting Stand
The CM235 provides a 8.8 cm square platform for mounting magnetic base
antennas. The CM235 attaches to horizontal or vertical pipes (25-54 mm OD) as
shown in Figure 6-6.
23
CM110, CM115, CM120 Tripod Installation
Figure 6-6. CM235 Magnetic Mounting Stand
24
User Manual
6.1.7 Temperature and Humidity Probes – in the RM Young Gill Radiation
Shield or the Met 20/21 Radiation Shield
Radiation Shields are used to house and attach temperature and relative humidity
sensors to the tripod mast or crossarm as shown in Figure 6-7. Radiation shields
ship with the U-bolt or V-bolt configured for attachment to a vertical pipe. To
attach the radiation shield to a horizontal pipe, the U-bolt and plastic V-block must
be moved to the other set of holes.
Figure 6-7. RM Young Gill Radiation Shield
In Europe the temperature and humidity sensors are normally mounted at 1.2 or
2 m (country standards vary) so the shield is fitted at a suitable height on the main
vertical pole of the tripod or mast to suit.
NOTEThe option for horizontal pipe mounting for the Met 20/21 is a special
order part.
25
CM110, CM115, CM120 Tripod Installation
6.1.8 CM216E Mast Mounting Kit
The CM216E provides a 27 mm OD (3/4” IPS) or 33 mm OD (1” IPS) mounting
pipe that extends 10 cm (4”) above the mast. It allows sensors with a 27 mm or
33 mm OD fitting (typically a wind sensor) to be attached directly to the top of a
stainless steel CM110E, CM115E, or CM120E tripod. Please note that use of a
lightning rod is recommended; a lightning rod can be attached to this
configuration but cannot be attached to a configuration that deploys a Wind
Monitor. Therefore, the Wind Monitor configuration is recommended for shortterm deployments only.
CM216E
Figure 6-8. CM216E Mast Mounting Kit
26
Appendix A. Tripod Tote Bag
The Tripod Tote Bag is an option for the CM110 series tripods. The bag is
constructed of nylon, with a main compartment for the tripod base, and pockets
for stowing the other components as shown below:
Mast(s)
Ground Rod
Lightning Rod
Tripod Base
Guy Kit
(6) Stakes
Ground Wires
A-1
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