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Digi-Sense Professional Thermohygrometer with NIST Traceable Calibration - WD-20250-21

Digi-Sense Professional Thermohygrometer with NIST Traceable Calibration - WD-20250-21

Item #



    WD-20250-21 Professional Thermohygrometer with NIST Traceable Calibration by Digi-Sense

    Ergonomic handheld thermohygrometers provide a fast and convenient way to accurately spot-check relative humidity and temperature in a wide range of environments and applications. When accuracy is a must in the field, in the lab, or on the process floor, these meters deliver dependable results every time!


    • Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards.
    • Large backlit LCD displays humidity, temperature, dew point, and wet bulb readings
    • Feature Min/Max readings and Hold function
    • User-selectable temperature readout in °C or °F
    • Integrated humidity and thermistor (NTC) temperature sensor
    • Auto power-off mode extends battery life
    • Heavy-duty housing protects against knocks and jars
    • Absolute humidity measurements


    • HVAC
    • Industrial
    • Food industry
    • Educational
    • Laboratory
    • R&D

    Humidity 0 to 100% RH
    Absolute humidity (calculated) 0 to 500 g/m3,
    0 to 218.5 gr/ft3>
    Temperature (NTC) –22 to 212°F (–30 to 100°C)
    Dew point (calculated) –22 to 212°F (–30 to 100°C)
    Wet bulb (calculated) 32 to 176°F (0 to 80°C)
    Humidity 0.1
    Temperature (NTC) 0.1°F/C
    Humidity ±2% from 40 to 60% RH; ±3% from 20 to 40% RH and 60 to 80% RH; ±4% from 0 to 20% RH and 80 to 100% RH
    Temperature (NTC) ±1.8°F (1°C) from –4 to 140°F (–20 to 60°C); ±2.7°F (1.5°C) from –22 to –4°F (–30 to 19°C) and 140 to 212°F (60 to 100°C)
    Dimensions (L x W x H) 11 7⁄8" x 3" x 2" (30 x 7.5 x 5 cm)
    Power One 9 V battery
    Accessories included Carrying case, batteries, NIST-traceable certificate with data and uncertainties

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