U-10 WATER QUALITY CHECKER

WATER QUALITY CHECKER
U-10
.
.
.
pH COND TURB D
Simple, Handy Instrument Contains Powerful Sensor for S
The Horiba U-10 water quality checker brings laboratory accuracy and the ease
of push-button operation to water quality measurement in the field. Six parameters can be measured : pH, temperature, dissolved oxygen, electrolytic conductivity, turbidity, and, salinity. Featuring a powerful sensor and state-of-the-artfunctions, the U-10 makes it easy to get highly reliable water quality data simply
and quickly just by submersing the sensor in the water. The U-10 is flexible
enough to use for cheeking the quality of a broad range of water samples, from
factory effluent to urban drainage, river water, lake and marsh water, aquatic
culture tanks, agricultral water supplies, and sea water. The main unit is waterresistant, so it can be used safely even in the rain.
Automatic calibration function
calibrates the instrument simply at
the touch of a button for more highly reliable data
what used to be a complicated calibration process is now easy. Just fill the
supplied beaker with the standard solution, immerse the sensor and press a
button once for one-point calibration for
each of the four parameters pH, conductivity, turbidity and DO. Two-point
calibration is also possible should more
precise data be required.
20 samples of data on 6 parameters
can be stored in memory to be
recalled later for display and print out
Store the results of measurement of all
six parameters for up to 20 samples.
There is no need to record measured
values on site. Data stored in memory
can be recalled and displayed at any
time, and can even be simuItaneously
printed out on any standed printer by
connecting it to the Centronics-specification printer output terminals.
Automatic salinity correction
functio makes it possible to
measure DO in both fresh water and
salt water
It is now possible to measure DO in
either fresh or salf water with the same
instrument. When meauring DO in salt
water, it will automaticaly measure the
salt concentration and make the salinity
correction. It is also possible to set a
freely selectable salinity correction factor of between 0 and 4 precent.
.
.
DO TEMP SALINITY
SimuItaneous Measurement of Six Parameters
Expanded display function handles
any need for more precise data
If more precise data is needed, select the
expanded display mode to display data on
any parameter to
one more
digit of resolution.
Temp. sensor
DO sensor
COND
sensor
pH sensor
(reference electrode)
TURB sensor
pH sensor
(glass electrode)
Direct-submersion sensor, no need
to collect samples
The U-10 sensor measures by being
directly submersed in the river, sea or
other water. Forget troublesome sampling. The standard cable length is two
meters, but the sensor is constructed to
be able to withstand water pressure at
depths of up to 10 meters and is thus
suitable for an even wider range of applications if used with the optional 10-meter
cable.
Data back-up function keeps data
safe even if batteries run down
The U-10 features a data back-up function to ensure that precious data is never
lost by accident. Sensor calibration values
and stored data remain safely in the
memory even if the batteries run down.
No need to worry even if you forget
to switch off the power
Attention to the smallest detail has resulted in an automatic energy-saving function
that switches the instrument off automatically any time 30 minutes pass without
any key being pressed.
Carrying case
(included)
Powerful sensor gives precise data
pH
Glass electrode. The glass electrode and
reference electrode are of the cartridge
type so they are simple to replace and
require no maintenance.
Conductivity
Alternating four-electrode cell resistant to
the effect of polarization. Gives reliable,
stable data even at high. concentrations.
Range switches automatically to the most
appropriate of three --- 0-1 mS/cm, 1-10
mS/cm, or 10-100 mS/cm --- depending
upon the sample.
Turbidity
Ratio of transmitted to scattered light. The
light source is an LED. This method gives
a broader meaurement range than optical
systems based purely on transmitted light
or scattered light and is little affected by
particle coloration, thus giving highly
dependable data.
DO
Membrane/galvanic cell. Capable of stable data display, unaffected by coexisting
gases other than oxygen. The electrode
is of the cartridge type.
Temperature
Thermistor. Can measure from 0 to 50˚C.
Also used for automatic temperature
compensation when measuring pH, DO
and conductivity.
Salinity
Computed from conductivity data. Measurement range is 0 to 4 percent.
SPECIFICATIONS
Parameters
Principle
Range
pH
Conductivity
Turbidity
Dissolved oxygen
Temperature
Glass electrode
Alternating
four-electrode
Scattering/
transmitting light
Membrane/
galvanic cell
Thermistor
Salinity
Alternating
four-electrode
0-14 pH
Standard
0.1pH
10 NTU
0.1 mg/R
0.1 %
Expanded
0.01pH
1 NTU
0.01 mg/R
0.01 %
Auto one-point
calibration, manual
two-point calibration
Auto one-point calibration(air), manual
two-point calibration
Resolution
Repeatability
Temp. compensation
Calibration
Auto one-point
calibration, manual
two-point calibration
Auto one-point
calibration, manual
two-point calibration
LCD
Display
Printer output
Centronics
Power
Battery 6F22(S-006P)1pc.
Sensor assembly
Standard : sensor with 2 m cable, Optional : sensor with 10 m cable
Weight
Main unit : approx. 400g (0.9 lb), Sensor assembly (2 m cable) : approx. 800 g (1.8 lb)
Salinity is calculataed from the conductivity data.
Dimensional Outlines
5
(0.2)
45
(1.8)
25
(1.0)
90
(3.5)
58
(2.3)
58
(2.3)
225
(8.9)
249
(9.8)
114
(4.5)
191
(7.5)
94
(3.7)
21 25
(0.8) (1.0)
92
(3.6)
Unit : mm(in)
70
(2.8)
70
(2.8)
28
(1.1)
Data stored in memory can be printed out on any
printer with Centronics interface.
Please read the operation manual before using this product to assure safe and proper handling of the product.
● The contents of this catalog are subject to change without prior notice, and without any subsequent liability to this company.
● The color of the actual products may differ from the color pictured in this catalog due to printing limitations.
● It is strictly forbidden to copy the content of this catalog in part or in full.
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Printed in Japan ZH-R(SK)33