HM44 HUMICAP® Structural Humidity Measurement Kit

The HM44 provides a reliable and accurate method of measuring the drying out of the construction materials.Ideal for measuring humidity in concrete.

The set consists of all the needed parts for making measurements at building sites, e.g. the HMI41 indicator and the HMP44 humidity and temperature probe which is optimized for measurements in concrete, including a practical carrying case for them.

The kit includes the following parts:

  • HMI41 Indicator with batteries
  • HMP44 RH & T Probe
  • Protective cover with lid, 3 pieces (19268HM)
  • Rubber plugs, 12 pieces (19267HM)
  • Plastic tube set, 12 pieces (19266HM)
  • Carrying case

Accessories needed for wet concrete installations:

  • Plastic tube set, 12 pieces (19266HM)
  • Plastic flange set, 12 pieces (26529HM)
  • Long rubber plug set 12 pieces (25630HM)
Adobe PDF File Brochure
Adobe PDF File User Guide
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Relative humidity measurement
Measurement range 0 ... 100 % RH
Accuracy ± 2 % RH (0 ... 90 % RH)
± 3 % RH (90 ... 100 % RH)
Sensor Vaisala HUMICAP®180
Temperature measurement

Measurement range

-20 ... +60 °C (-40 ... +140 °F)

Accuracy at +20 °C (+68 °F) ± 0.4 °C (± 0.72 °F)
Sensor Pt 1000 IEC 751 1/3 Class B
Operating environment

Temperature (electronics)

-40 ... +60 °C (-40 ... +140 °F)


Probe cable length

0.3 m

Sensor diameter 12 mm
Material (housing) ABS plastic
Housing classification IP65

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