Omega Products CDH-722 User Manual
E-8
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Specifications
Range:
CDH-721: 0 to 1990 µS/cm
TDS-721: 0 to 1990 ppm (mg/L)
CDH-722: 0.00 to 9.99 mS/cm
TDS-722: 0.00 to 9.99 ppt (g/L)
Resolution:
CDH-721: 10 µS/cm
TDS-721: 10 ppm
CDH-722: 0.01 mS/cm
TDS-722: 0.01 ppt
Accuracy (@68°F): ±2% full scale
Calibration: Manual single point through
front trimmer
Setpoint:
CDH-721: 200 to 1600 µS/cm
TDS-721: 200 to 1600 ppm
CDH-722: 0.70 to 3.50 mS/cm
TDS-722: 0.70 to 3.50 ppt
Alarm:
CDH-721: 100 µS/cm over setpoint
TDS-721: outside setpoint
by more than ±100 ppm
CDH-722: outside setpoint
by more than ±0.2 mS/cm
TDS-722: outside setpoint
by more than ±0.2 ppt
Probe:
CDH-721: CDE-721
TDS-721: CDE-721
CDH-722: CDE-722
TDS-722: CDE-722
Power Supply: External 12 Vdc (included)
Environment:
0 to 50°C (32 to 122°F); RH 100%
Dimensions: 86 L x 94 W x 33 mm D
(3.4 x 3.7 x 1.3")
Weight: 150 g (5.3 oz.)
Water-Resistant Conductivity/TDS Meters with Visual Alarm
The CDH-720 and TDS-720 Series
water-resistant conductivity/TDS meters are
OMEGA’s reply to requests of accurate, low
maintenance process monitoring equipment
at affordable costs.
Four different models are available to cover
all applications. Each meter is supplied with
a direct 2 pin probe and 2 m (6.6') cable
with a
1
⁄2" thread for flow-thru mounting. The
probe has a temperature sensor that will
automatically compensate against
temperature changes from 5 to 50°C
(41 to 122°F) with a ß of 2% per degree.
In the measurement mode, a red LED will
warn the user in the event the reading is
outside of the alarm interval. A front trimmer
allows manual calibration at 1 point. The
electrical circuitry is tightly sealed inside the
water-resistant enclosure.
In addition, thanks to the molded hook, the
CDH-720 and TDS-720 Series can be
easily and quickly installed anywhere. The
specially designed casing is stable and will
not roll off a table. The 12 Vdc power supply
makes it ideal for continuous monitoring
over extended periods of time.
⻬ Automatic Temperature
Compensation
⻬ Selectable Setpoint
and Red LED Alarm
⻬ External 12 Vdc Power Supply
⻬ Molded Hook for Quick Installation
CDH-721
$
75
To Order
(Specify Model Number)
Model No. Price Description
CDH-721 $75 Conductivity meter with visual alarm, 0 to 1990 µS/cm
CDH-722 75 Conductivity meter with visual alarm, 0.00 to 9.99 mS/cm
TDS-721 75 TDS meter with visual alarm, 0 to 1990 ppm
TDS-722 75 TDS meter with visual alarm, 0.00 to 9.99 ppt
CDE-721 30 Replacement conductivity/TDS probe, 1⁄2" NPT, for CDH-721 and TDS-721
CDE-722 30 Replacement conductivity/TDS probe, 1⁄2" NPT, for CDH-722 and TDS-722
CDE-723 30 Replacement conductivity/TDS probe, 3⁄4" NPT, for CDH-721 and TDS-721
CDE-724 30 Replacement conductivity/TDS probe, 3⁄4" NPT, for CDH-722 and TDS-722
CDSA-450 10 450 microSiemen conductivity standard, 1 QT
CDSA-1500 10 1500 microSiemen conductivity standard, 1 QT
CDSA-4500 10 4500 microSiemen conductivity standard, 1 QT
*All probes come with 2 m (6.6') cable and
1
/
2
" or
3
/
4
" thread for flow-thru mounting.
Comes complete with probe, 12 Vdc adapter and complete operator’s manual.
Ordering Examples: CDH-721, conductivity meter with visual alarm, $75. TDS-722, total dissolver solids meter with alarm, $75.
MOST POPULAR MODELS HIGHLIGHTED!
CDE-722, $30, replacement conductivity/
TDS probe, shown larger than actual size.
CDH-721, $75,
conductivity meter
with visual alarm,
shown larger than
actual size.
Comes complete with
probe*, 12 Vdc adapter
and operator’s manual.
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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