This document is an instruction manual for the HI 991001 Extended Range Waterproof pH/Temperature Meter. It provides information on the features and characteristics of the product.
This document is the instruction manual for the Hanna Instruments HI-991001 Extended Range Waterproof pH / Temperature Meter. It serves as a guide for users to properly operate, calibrate, and maintain this portable microprocessor-based instrument designed for measuring pH and temperature in various environments.
The manual details the preliminary examination of the device upon receipt, including checking for shipping damage and verifying included accessories such as the HI 1296D probe and batteries. It provides comprehensive instructions on meter setup, enabling users to select temperature units (°C or °F) and calibration buffer sets. Operational guides cover pH measurement procedures, automatic temperature compensation, battery replacement, and troubleshooting features like low battery detection.
| Range (pH) | -2.00 to 16.00 pH |
|---|---|
| Resolution (pH) | 0.01 pH |
| Accuracy (pH @20°C) | ±0.02 pH |
| Range (Temperature) | -5.0 to 105.0°C / 23.0 to 221.0°F |
| Resolution (Temperature) | 0.1°C / 0.1°F |
| Battery Type | 3 x 1.5V AA / IEC LR6 |
| Dimensions | 150 x 80 x 36 mm (5.9 x 3.1 x 1.4") |
| Weight | 210 g (7.4 oz.) |
All Hanna Instruments meters are warranted for two years against defects in workmanship and materials when used for their intended purpose.
The probes are warranted for a period of six months.
The battery life is approximately 2000 hours under normal usage conditions.