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Extech RH401 Triple Display Hygro Thermometer Psychrometer with Built In Infrared Thermometer
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About Extech RH401 Triple Display Hygro Thermometer
Extech RH401 Digital Psychrometer + InfraRed Thermometer, Triple display with backlighting, Displays Air temp+RH+surface temp or Dew Point+RH+surface temp or Wet Bulb+RH+surface temp, Adjustable emissivity from 0.3 to 1.0 The RH401 is a Digital Psychrometer with a Built-in IR thermometer that allows quick non-contact surface temperature measurements. Displays air temperature, humidity and surface temperature or dew point, humidity and surface temperature or wet bulb, humidity and surface temperature on a triple LCD with backlighting. The meter calculates the temperature difference between IR surface temperature and dew point. Includes hard case and four AAA batteries. Key Features Triple display with backlighting Displays Air temp+RH+surface temp or Dew Point+RH+surface temp or Wet Bulb+RH+surface temp Built-in InfraRed Thermometer with laser pointer and 8:1 distance to target ratio Adjustable emissivity from 0.3 to 1.0 Precision humidity capacitance sensor is retractable for protection during transportation and storage Calculates T1 (IR Surface Temperature) - DP (Dew Point) differential Programmable Auto power off and Low battery indication Over-range/under-range alert indicator Built-in RS-232 interface for capturing readings on a PC Specifications Humidity: Range 10 to 90%RH, Max Resolution 0.1% RH, Basic Accuracy ±3% RH Temperature (internal): Range -4 to 122°F, Max Resolution 0.1°, Basic Accuracy ±1.8°F or ±1°C Temperature (external): Range -328 to 2498°F, Max Resolution 0.1°, Basic Accuracy ±0.3% or ±1.8°F/±1°C Dew Point: -90.4 to 122°F Wet Bulb: -6.9 to 122°F Dimensions: 9"x2.2"x1.7" Weight: 5.3oz
