MP100A/MP400A Analog Meteorological Probe

For meteorological and general outdoor applications

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The MP101A is a combined humidity and temperature probe designed primarily for meteorological and general outdoor applications. Operation from DC voltage and low power consumption make the MP101A particularly suitable for operation at remote locations. Energizing of the probe is required for only 0.25 seconds during each measurement. The linear output signals are consistent with the requirements of most data acquisition systems.


  • Very robust design and excellent long-term stability
  • Voltage and current outputs for humidity and temperature
  • Hygromer® IN-1 sensor / Pt100 Class A
  • Connection with T4/T7 connector or open end cable
Probe type Meteorological probe
Dimensions Ø 25 x 210 mm
Weight 120g
Operating range electronics -40…85 °C / 0…100 %RH
Accuracy at 23 ±5 °C ±1.5 %RH / ±0.3 K
Power supply / Power consumption 4.8...30 VDC /
4 mA @ 4.8 VDC
Long-term sensor stability <1 %RH / year
Humidity sensor Hygromer IN-1
Temperature sensor PT100 1/3 DIN Class B
Response time t 63 <15 sec.
Type of output signals 2 x 0…1 VDC
Max. probe cable length 99m
IP protection rating IP65

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