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    High-precision humidity/temperature probe head

    0636 9770
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  1. Intuitive: parallel determination of relative humidity and air temperature in indoor areas, including long-term measurement
  2. Precise: carry out humidity measurements with an accuracy of ± (0.6% RH + 0.7 % of m.v.) in the range between 0 and 90% RH, calculation of wet bulb temperature, dew point and absolute humidity
  3. Convenient: probe head is easy to attach to the universal handle with Bluetooth® or cable (available to order separately)
  4. Intelligent calibration concept: only send in the probe head for calibration
  5. More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision humidity/temperature probe head.
    Proven quality from Testo: you can depend on reliable measurement results, because the probe head is equipped with our high-precision, long-term stable humidity sensor. This measures the humidity with an accuracy of ± (0.6% RH + 0.7% of m.v.) in the range between 0 and 90% RH and is traceable to international humidity standards, such as ILAC, PTB and NIST.

    High-precision humidity/temperature probe head including calibration protocol.

    Please do not use the probe head in condensing atmospheres. For continuous application in high-humidity ranges
        > 80% RH at ≤ 30 °C for > 12 h
        > 60% RH at > 30 °C for > 12 h
    please contact Testo Service or contact us via the Testo website.

    Temperature - NTC

    Measuring range
    -20 to +70 °C
    Accuracy
    ±0.5 °C (Remaining Range)
    ±0.3 °C (+15 to +30 °C)
    Resolution
    0.01 °C

    Humidity - Capacitive

    Measuring range
    0 to 100 %RH
    Accuracy
    ±(0.6 %RH + 0.7 % of mv) (0 to 90 %RH)
    Hysteresis: ±0.4 %RH
    long-term stability: ±1 %RH / year
    ±0.03 %RH/K (k=1)
    ±(1.0 %RH + 0.7 % of mv) (90 to 100 %RH)
    Resolution
    0.01 %RH

    General technical data

    Storage temperature
    -20 to +70 °C
    Weight
    20 g
    Dimensions
    160 x 28 x 28 mm
    Operating temperature
    -20 to +70 °C
    Diameter probe shaft
    12 mm
    Length probe shaft
    140 mm
    Product colour
    Black