The Horiba Laqua-Twin pH-22 pH meter is a convenient, pocket-sized meter for small sample testing in the laboratory or in the field.
- Flat sensor requires minimal maintenance and is replaceable; only a drop (0.12ml minimum) of sample is required for measurement, or the probe can be dipped up to the fill-line
- Clear LCD readout with 3 ranges from 0 to 199.9mS/cm
- Alternative TDS display from 0 to 9990ppm
- One or two point calibration
- IP67 class protection
| Model | pH-22 | |
| Ranges, pH mV | 0.00 to 14.00 ±650 | |
| Resolution, pH mV | 0.01 1 | |
| Calibration | 1, 2 or 3-point (selectable) | |
| Temperature compensation | °C | 0 to +40 |
| Power | 2 x 3V cells (CR2032 or equivalent) with automatic shut-off after 30 minutes of non-use | |
| Overall L x W X H | mm | 164 x 29 x 20 |
| Weight | g | 55 |
Supplied with 14ml standard solution and treatment reagent, sampling dropper, soft carry case, instructions and batteries.