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  • EXTECH RH401 Digital Psychrometer + InfraRed Thermometer

    # RH401

    • 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
    EXTECH
    • EXTECH
    • RH401
    • 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
    Specifications Range Max Resolution Basic Accuracy
    Humidity 10 to 90%RH 0.1% RH ±3% RH
    Temperature (internal) -4 to 122°F (-20 to 50°C) 0.1° ±1.8°F or ±1°C
    Temperature (external) -328 to 2498°F (-200 to 1370°C) 0.1° ±0.3% or ±1.8°F/±1°C
    Dew Point -90.4 to 122°F (-68.0 to 49.9°C)
    Wet Bulb -6.9 to 122°F (-21.6 to 49.9°C)
    Dimensions 9 x 2.2 x 1.7″ (230 x 57 x 44mm)
    Weight 5.3oz (153g)

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