Extech RH520A Temperature + Humidity Chart Recorder measures and displays Temperature, Humidity, and Dew Point. It has a detachable remote probe that senses the ambient conditions, while the LCD display graphs and provides numerical representation of the readings. Programmable audio-visual alarms alert the user when ambient conditions reach alarm presets. The optional alarm module permits automatic relay switching when alarm presets are reached. The RH520A Internal Memory can store up to 49,152 measurements for later transfer to a PC.
The Extech RH520A is a paperless humidity and temperature chart recorder that measures and displays temperature, humidity, and dew point. It features a remote detachable probe and an LCD display that graphs and provides numerical readings. The device includes programmable audio-visual alarms and an optional alarm module for automatic relay switching.
| Internal Memory Capacity | 49,152 measurements |
|---|---|
| Power Source | Battery or AC adaptor |
| Battery Type | three (3) 'AA' batteries |
| AC Adaptor Input | 5VDC 500mA |
The RH520A measures and displays Temperature, Humidity, and Dew Point.
The device runs on battery power or an AC adaptor, with batteries acting as a backup during AC power failure.