This manual introduces the features and characteristics of HI 98230 and HI 98240 portable printing and logging pH/temperature meters, including electrode types, electrode maintenance, automatic calibration, data recording, printing, and saving.
This document provides instructions for the Hanna Instruments HI 98230 and HI 98240, which are portable microprocessor-based pH/temperature meters. The HI 98240 model additionally supports ORP measurements. Both instruments feature automatic temperature compensation (ATC), a stability indicator, backlighting, and Good Laboratory Practice (GLP) capabilities to ensure data consistency.
| pH Range | -4.00 to 19.99 pH |
|---|---|
| Resolution (pH) | 0.01 pH |
| Accuracy (@20°C) | ±0.01 pH |
| Temperature Range | -10.0 to 120.0°C / 14.0 to 248.0°F |
| Included Electrode | HI 1618D smart pH electrode with built-in temperature sensor |
The default factory setting for the password is 0000.
Yes, you can store measurements on-demand using the LOG key.