Portable PEN METER ST20C-C


The pen meter ST20C-C is a portable solution for conductivity and temperature measurement.

t is durably constructed, simple, fast, straight forward, no-frills yet highly accurate operation time and time again.

Measurement Range: 0.00 – 19.99 ms/cm; 0.0 – 99.0°C

Measurement Resolution: 10 μs/cm 

Calibration: 1 Point

SKU: OH30073977 Category:


Application                    Conductivity, temperature measurement

Display                           LCD with secondary information line

Operation                      41.5V (4 AG13) batteries (included)

Communication           N/A

Construction                 ABS housing

Design Features           Easily replaceable electrodes, automatic shut off feature

Measurement Range0.0 – 99.0 °C;  0.00 – 19.99 ms/cm
Measurement Resolution10 μs/cm
Calibration1 Point
Working Environment50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Net Weight3.88 oz (110 g)
Meter TypeConductivity
Temperature DisplayYes
Dimensions1.5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm) (LxHxW)
Battery Life200 Hours with Disposable Batteries
Conductivity measuring range0.00 – 19.99 mS/cm
Conductivity accuracy (±)1.5 %
Protection RatingIP67
Power4 AG13 Batteries (Included)
Wrist StrapYes
Number of Buttons3
Automatic ShutdownYes, After 6 minutes of non-use
Temperature Sensor50 KΩ NTC
Accuracy± 1.5% / ± 0.5 °C