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Hygro-Thermometer With Ir Thermometer


Price starts at $179.99

Product Code : RH101

Manufacturer : Extech

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Extech RH101 Hygro-Thermometer and InfraRed Thermometer


  • Combination Humidity meter plus InfraRed Thermometer features a super large backlit dual display
  • Primary and Secondary displays - Primary display is user selectable for IR or Humidity; Secondary always displays ambient temperature
  • InfraRed thermometer has built-in laser pointer and an 8:1 distance to target ratio
  • Auto power off
  • Data Hold and MAX


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.


General Specifications
Display Dual LCD with Backlight and status indicators
Sensor Type Humidity: Precision capacitance sensor, Temperature: Thermistor (probe) and InfraRed
Response Time IR Temperature: 0.5 seconds; Probe Temperature and Relative Humidity: 3 minutes
Accuracy note Accuracy is specified for the following ambient temperature range: 64 to 82°F (18 to 28°C)
Sampling Rate 2.5 samples per second
InfraRed Emissivity 0.95 (fixed)
IR Field of View D/S = Approx. 8:1 ratio (D = distance, S = spot)
Laser power Less than 1mW
IR Spectral Response 6 to 14 μm (wavelength)
Operating Conditions 32 to 122°F (0 to 50°C); < 80% RH non-condensing
Storage Conditions 14 to 140°F (-10 to 60°C); <80% RH non-condensing
Power Supply 9V Battery with auto power off (after 10 minutes)
Battery Life Approx. 24 hours (if Backlight and Laser are used continuously the battery life is reduced to 2 to 3 hours approx.)
Dimensions / Weight 5.9 x 2.8 x 1.4" (150 x 72 x 35mm); 8.3 oz. (235g)
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