This document introduces the features and characteristics of the HANNA instruments® products HI 9161 and HI 91610, including their functions, components, and usage methods.
The HI 9161 and HI 91610 are advanced portable thermo-hygrometers designed to provide instant printouts of relative humidity and temperature. The HI 91610 model combines the features of the HI 9161 with extensive printing and logging capabilities, including an infrared RS232 data transfer system for connecting to a PC. Both models are available in Celsius (C) and Fahrenheit (F) versions.
| Relative Humidity Range | 5.0 to 95.0% RH |
|---|---|
| Temperature Range | -20.0 to 60.0°C / 4.0 to 140.0°F |
| Resolution | 0.1% RH, 0.1°C, 0.1°F |
| Power Supply | 4x1.5V AA alkaline batteries or 12 Vdc input |
| Printer Type | Low-power impact type belt |
| Printing Interval | 1, 2, 5, 10, 15, 30, 60, 120, 180 minutes |
The batteries provide approximately 500 hours of use with a 60-minute printing interval.
The instrument must be turned off until the moisture has completely evaporated.