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    2. Standard indoor air quality probe up to +158°F

    Standard indoor air quality probe up to +158°F - Standard ambient air probe

    0636 9740
  1. Probe shaft diameter of 21 mm
  2. Fast response time for air temperature measurement
  3. Temperature measuring range: -20 to +70 °C
    4. Standard indoor air quality probe up to +158°F
    Use the standard humidity and temperature probe (with an appropriate measuring instrument) to assess the indoor air climate and check the ambient conditions.

    Standard humidity/temperature probe (Ø 21 mm).
    Note: You need a plug-in head cable (0430 0143 or 0430 0145) for this probe.

    Temperature - NTC

    Measuring range
    -4.0° to 158.0 °F / -20 to +70 °C
    Accuracy
    ±0.7 °F (14° to +50 °F) / ±0.4 °C (-10 to +50 °C)
    ±0.9 °F (Remaining Range) / ±0.5 °C (Remaining Range)
    Reaction time
    12 sec

    Humidity - Capacitive

    Measuring range
    0 to +100 %rH
    Accuracy
    long-term stability: ±1 %RH / year
    ±0.03 %rF/K (k=1)
    *The sensor accuracy corresponds to the system accuracy.
    ±2 %rH at +77 °F (+2 to +98 %rH) / ±2 %RH at +25 °C (+2 to +98 %RH)

    General technical data

    Diameter probe shaft
    0.472 in. / 12 mm