ST20 Starter Pen Meter
Convenient pH Testing
Two models with varying resolution and accuracy; the ST10 and ST20 offer a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature.
The pH pen meters can be operated with just one hand, freeing up your other hand to handle samples.
The pH pen meters can be operated with just one hand, freeing up your other hand to handle samples.
Display: Liquid crystal display (LCD) display with secondary information line (on select models)
Operation: 4 1.5V batteries (included)
Construction: ABS Housing
Design Features: Easily replaceable electrodes, automatic shut off feature
Specifications
| 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 |
Non-returnable
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