This manual introduces the use and maintenance of the HI 99141 portable waterproof pH meter. The instrument is suitable for pH measurement of cooling towers.
The HI 99141 is a portable, microprocessor-based pH and temperature meter supplied with a rugged double junction pH electrode (HI 72911) featuring a flat tip and built-in temperature sensor. The device includes a mini amplifier to prevent noise interference and is designed for use in cooling towers. It comes with calibration and cleaning solutions, batteries, and a carrying case.
| Range | -2.00 to 16.00 pH |
|---|---|
| Temperature Range | -5.0 to 105.0°C / 23.0 to 221.0°F |
| Resolution (pH) | 0.01 pH |
| Resolution (Temperature) | 0.1°C / 0.1°F |
| Accuracy (pH) | +0.02 pH (@20°C) |
| Battery Type | 3x 1.5V AA/IEC LR6 |
| Battery Life | Approx. 1500 hours |
| Dimensions | 150x80x36 mm |
| Weight | 210g |
The meter is warranted for two years against defects in workmanship and materials.
The probes are warranted for a period of six months.