Relative Humidity Transmitter - Hygrocontrol Type 81

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The instrument uses a capacitance type sensing element with polymer dielectric medium. The temperature sensor is a Pt-1000 Ohm RTD. Microprocessor control allows for multipoint calibration. A maximum accuracy of 1.5 %RH is achieved with 8 points. Built in special temperature compensation is to correct humidity values from deviations arising from temperature effects on the sensor and the electronics.

  • Instrument Type: Duct Type Instrument
  • Display: With Display
  • Power Supply: 85 to 264 VAC 48-63 Hz
  • Signal Output for Humidity and Temperature: 0/4-20 mA Analog output
  • Type of connection: 2xM 16x1.5, Screw terminals
  • Temperature Range: 0 to 100°C
  • Dimensions and range of humidity: Rel. Humidity % RH
  • Material and Diameter of Probe Tubes: polypropylene - 25mmD
  • Length of Probe: 100mm
  • Sensor Protection: Sinterfilter ss-316