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(Specify Model Number)
Model No. Price Description
CDH-7X $119 Pocket tester, 0 to 199 µS/cm, 0.00 to 1.99 mS/cm,
0.0 to 19.9 mS/cm, 0 to 199 ppm, 0.00 to 1.99 ppt
and 0.0 to 19.9 ppt ranges
CDSA-45 10/qt Conductivity standard solution, 45 µS/cm
CDSA-450 10/qt Conductivity standard solution, 450 µS/cm
CDSA-1500 10/qt Conductivity standard solution, 1500 µS/cm
CDSA-4500 10/qt Conductivity standard solution, 4500 µS/cm
PH-BATT-3 3 1.55V silver oxide replacement battery (3 required)
FW-323 100 Reference Book: Advanced Reservoir Engineeering
Economical Pocket Conductivity Testers
CDH-7X
$
119
Comes complete with three 1.55V batteries and operator’s manual.
Ordering Example: CDH-7X, pocket conductivity tester, 0 to 199 µS/cm, 0.00 to 1.99 mS/cm,
0.0 to 19.9 mS/cm, 0 to 199 ppm, 0.00 to 1.99 ppt and 0.0 to 19.9 ppt ranges, CDSA-45, standard
solution 45 µS/cm, $119 + 10 = $129.
Pocket-sized and ideal for quick field
checks of water-based solutions, the CDH7X conductivity meter combines measuring
sensor and meter into a compact package.
It measures a variety of ranges:
0 to 199 µS/cm, 0.00 to 1.99 mS/cm,
0.0 to 19.9 mS/cm, 0 to 199 ppm,
0.00 to 1.99 ppt, and 0.0 to 19.9 ppt,
with automatic temperature compensation
(ATC) of 0 to 70°C (32 to 158°F).
Specifications
Ranges:
Conductivity: 0 to 199 µS/cm,
0.00 to 1.99 mS/cm, 0.0 to 19.9 mS/cm
TDS: 0 to 199 ppm, 0.00 to 1.99 ppt,
0.0 to 19.9 ppt
Resolution: 1 µS/cm or ppm, 0.01 mS/cm
or ppt, 0.1 mS/cm or ppt
Accuracy: ±2% FS (±4 µS/cm or ppm,
±0.04 mS/cm or ppt, ±0.4 mS/cm or ppt)
Electrodes: 316 SS, non-replaceable
Operating Temperature: 0 to 70°C
(32 to 158°F), ATC uses a precision
temperature sensor with 2%/°C temperature
coefficient; readings are referenced to
25°C (77°F)
Display: 2
1
⁄2 digit LCD,12.7 mm (0.5") high
Battery: Three 1.55V silver oxide (included)
Battery Life: 50 hours continuous
Dimensions: 152 H x 43 W x 23 mm D
(6 x 1.7 x 0.9")
Weight: 113 g (4 oz)
⻬ Measures MicroSiemens,
MilliSiemens, ppt, and ppm
⻬ Economical and Portable
⻬ Automatic Temperature
Compensation
POCKET PAL
™
AVAILABLE FOR FAST DELIVERY!
Covered by U.S. and
International patents and
pending applications
PATENTED
CDH-7X, $119,
shown actual size.

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