Portable PEN ST20 PH METER


Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement with no restriction. Standard features include:

  • Simple Operation in a slim and portable design
  • Durably Constructed to withstand wear and tear resulting from repetitive use
  • Waterproof housing protects the meters in their working environment

Measurement Range:0.0 – 99.0°C; 0.00 – 14 pH

Measurement Resolution: 0.01 pH

Accuracy: ±0.0.5 pH / ±0.0.5°C

12 in stock

SKU: OH30073971 Category:


Application                    pH, temperature measurement

Display                           LCD

Operation                      41.5V 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 – 14 pH
Measurement Resolution0.01 pH
Calibration3 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 TypepH
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
Protection RatingIP67
Power4 AG13 Batteries (Included)
pH accuracy (±)0.05
Wrist StrapYes
Number of Buttons3
pH measuring range0 ;  14
Automatic ShutdownYes, After 6 minutes of non-use
Temperature Sensor50 KΩ NTC
Accuracy± 0.05 pH / ± 0.5 °C