This manual describes the features and operation of the Rotronic HygroPalm HP22-A hand-held humidity indicator.
The HP22 is a highly accurate hand-held indicator based on ROTRONIC AirChip 3000 digital technology. It displays relative humidity, temperature, and calculated parameters such as dew or frost point using HygroClip 2 probes. The device operates with a standard 9V alkaline battery.
| Power supply | 9V alkaline battery |
|---|---|
| Humidity range | 0 to 100 %RH |
| Temperature operating range (electronics) | -10...60°C |
| Humidity sensor type | ROTRONIG Hygromer® IN1 capacitive sensor |
| Temperature sensor type | Pt100 RTD |
The device operates using a standard 9V alkaline battery.
The instrument operates with a regular 9V alkaline battery.
The factory default setting for display resolution is one decimal place.
The probes measure relative humidity and temperature using a ROTRONIG Hygromer IN1 capacitive sensor and a Pt100 RTD.