

ST20 Starter Pen Meter
The pH pen meters can be operated with just one hand, freeing up your other hand to handle samples.
Meter Type | pH |
Measurement Range | 0.0 – 99.0 °C; 0.00 – 14 pH |
Accuracy | ± 0.05 pH / ± 0.5 °C |
Measurement Resolution | 0.01 pH |
Display | LCD |
ATC | Yes |
Temperature compensation | Automatic |
Accuracy ± (Temperature) | 0.5 °C |
Automatic Shutdown | Yes, After 6 minutes of non-use |
Battery Life | 200 Hours with Disposable Batteries |
Calibration | 3 Point |
Dimensions | 1.5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm) (LxHxW) |
Measurement Range (Temperature) | 0 °C – 99 °C |
Net Weight | 3.88 oz (110 g) |
Number of Buttons | 3 |
pH accuracy (±) | 0.05 |
pH measuring range | 0 – 14 |
Power | 4 AG13 Batteries (Included) |
Protection Rating | IP67 |
Temperature Display | Yes |
Temperature Range | 0 °C – 99 °C |
Temperature Sensor | 50 KΩ NTC |
Working Environment | 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing) |
Wrist Strap | Yes |