RH101

User's Guide Hygro-Thermometer + InfraRed Thermometer Model RH101 Patented Introduction Congratulations on your purchase of the Extech Hygro-Thermometer plus InfraRed Thermometer. This device measures relative humidity, air temperature (with probe), and surface temperature (with the InfraRed function). The large, easy-to-read backlit LCD includes primary and secondary displays plus numerous status indicators. The InfraRed feature includes a laser pointer for convenient targeting. Careful use of this meter will provide years of reliable service. Specifications Function Humidity Range and Resolution 10.0 to 95.0% RH o o o o Accuracy ± 3.5% RH ± 3.0 F (± 2.0 C) ± 9 F (± 5 C) ± 2% of rdg or ± 4 F (± 2 C) ± 3% of rdg o o o o o o o Air Temperature -4 to 140 F (-20 to 60 C) IR Temperature -58.0 to -4.0 F (-50.0 to -20.0 C) -4.0 to 199.9 F (-20.0 to 93.3 C) 200 to 400 F (93 C to 204 C) 400 to 932 F (204 C to 500 C) Display Sensor Type Response Time Accuracy note Sampling Rate InfraRed Emissivity IR Field of View Laser power IR Spectral Response Operating Conditions Storage Conditions Power Supply Battery Life Dimensions / Weight Patent Notice o o o o o o o Dual LCD with Backlight and status indicators Humidity: Precision capacitance sensor Temperature: Thermistor (probe) and InfraRed IR Temperature: 0.5 seconds; Probe Temperature and Relative Humidity: 3 minutes Accuracy is specified for the following ambient temperature range: 64 to 82°F (18 to 28°C) 2.5 samples per second 0.95 (fixed) D/S = Approx. 8:1 ratio (D = distance, S = spot) Less than 1mW 6 to 14 μm (wavelength) 32 to 122 F (0 to 50 C); < 80% RH non-condensing 14 to 140 F (-10 to 60 C);