Conductivity EC/TDS Pocket Tester max 4.000 μS/cm


The most advanced microprocessor based IP67 Waterproof Conductivity/TDS/TEMP pocket testers in the market.
Range from 0 to 3.999 uS/cm and 0.0 to 60.0 oC.
Automatic calibration and automatic temperature compensation.

SKU: AD31 Category:

AD31 is a waterproof Conductivity EC/TDS Pocket Tester max 4.000 μS/cm. The housing has been completely sealed against humidity.


All Conductivity and TDS readings are automatically temperature compensated (ATC), and temperature values can be displayed in °C or °F units. The Conductivity/TDS conversion factor (CONV) can be selected by the user, as well as the coefficient ?(BETA) for temperature compensation. The instruments can be calibrated at one point.


Measurements are highly accurate with a unique stability indicator right on the LCD. The models are also provided with a low battery symbol which warns the user when the batteries need to be replaced.


The AD32P probe supplied with the meters, is interchangeable and can be easily replaced by the user. The encapsulated temperature sensor allows fast and accurate temperature measurement and compensation.



Pocket Tester AD32

Range          EC



0.00 το 3999 μS/cm

0.00 to 2000 ppm

0.0 to 60 C / 32 TO 140 F

Resolution   EC



1 μS

1 ppm

+/- 0.1 C

Accuracy      EC



+/- 2% FS

+/- 2% FS

+/- 0.5 C


Automatic , 1 point

1413μS , 1382ppm or 1500ppm

Temp Compensation

Α) Automatic , From -5 to 60 C


-5 to 50 C

max RH 100%

Probe AD32P ( Included)
Battery Type
4 Χ 1.5V (Button Type)
Battery Life
Approx. 100 hours of use
Auto Shutt-Off
After 8 minutes of Non-use
Weight 100 g




Supplied complete with

The testers are supplied in a box complete with protective cap, 4 x 1.5V batteries and user manual.


AD31 Calibration


Waterproof pocket tester battery replacement


Waterproof testers – watertight seals


Spare Parts

  Product Description SKU
Spare Part Electrode for AD31 AD32P

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