The Extech Hygro-Thermometer plus InfraRed Thermometer Model RH101 measures relative humidity, air temperature (with probe), and surface temperature (with the InfraRed function).
This document is the user's guide for the Extech RH101 Hygro-Thermometer plus InfraRed Thermometer. The device measures relative humidity, air temperature using a probe, and surface temperature using an infrared sensor with a laser pointer. It features a dual LCD with backlight and various status indicators.
| Humidity Range | 10.0 to 95.0% RH |
|---|---|
| Air Temperature Range | -4 to 140°F (-20 to 60°C) |
| IR Temperature Range | 400 to 932°F (204°C to 500°C) |
| IR Emissivity | 0.95 (fixed) |
| Power Supply | 9V Battery |
| Battery Life | Approx. 24 hours |
| Dimensions | 5.9 x 2.8 x 1.4 inches |
The response time for IR temperature measurements is 0.5 seconds.
The accuracy is ±3.0°F (±2.0°C) for air temperature in that range.
Extech warrants the instrument to be free of defects for one year from the date of shipment.