HUMICAP® Humidty and Temperature Transmitters HMT120 and HMT130

The Vaisala HUMICAP® humidity and temperatur transmittersHMT120 and HMT130 are designed for humidity and temperaturemonitoring in cleanrooms and are also suitable for demanding HVACapplications.

The transmitter incorporates technology that measures relativehumidity accurately and reliably. The Vaisala HUMICAP is resistantto dust and most chemicals. The transmitter is optimized for use incleanrooms. The smooth surface of the enclosure makes it easy toclean and enclosure materials is chosen to tolerate purifyingagents. Furthermore, the cabling done trough the back wall of thetransmitter.

The transmitters use a fully interchangeable relative humidityprobe. The probe can be easily removed and replaced with a new onewithout having to adjust the transmitter, which allows to for easyand quick recalibration. They are available as wall mounted orremote-probe, optional with LCD Display

Features and Benefits:

  • Vaisala HUMICAP® technology with humidity sensorHUMICAP® 180R
  • 2-wire-loop-powered or 3-wire voltage outputconfugurations
  • Interchangeable probe (easy field calibration)
  • Resistant to dust and most chemicals
  • Optional LCD-display
  • USB cable available for a PC connection for maintenance
  • Wall-mounted or remote-probe
  • Constant output probe available
  • Can be mounted outdoors using a installation kit and radiationshield
  • Enclosure IP65
  • Suitable for cleanrooms and demanding HVAC-applications

Relative humidity:

Measurement range 0...100 % rH
Humidity sensor Vaisala HUMICAP® 180R


Measurement range -40°C...+80°C
Temperature sensor PT100 RTD 1/3 Class B IEC751

HMT120 two-wire transmitter (loop power):

Current output signals 4...20mA
External loop voltage 10...30 VDC/20...30VDC

HMT130 three-wire transmitter:

Voltage output signals 0...1V, 0....5V, 0...10V or user defined

Serial output: RS458, non isulated
Relay output: 1 relay (max. 50 VDC, 200mA)

Housing classification IP65
Probe cable lengths: 3m, 5m, 10m up to 50m
Display (optional): 128x64 resolution

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