HMW89 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Voltage Outputs, 3% accuracy - Vaisala Online Store

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HMW89 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Voltage Outputs, 3% accuracy

The 3-wire HMW89 transmitter measures relative humidity and temperature in wash-down areas and other humid environments within building automation. Optional outputs dew point, wet bulb temperature and enthalpy can be easily selected by a single dip switch.

The HMW89 transmitter is optimized for easy installation. It contains no separate small parts that can get lost. All connectors are clearly labeled and the connectors are within easy reach. The transmitter can be installed without making holes to the transmitter enclosure.

The excellent stability of the sensors and high quality materials ensure that the HMW89 transmitter requires minimal maintenance. If needed, the Vaisala INTERCAP® sensor can be easily exchanged in the field with practically no downtime.

You can choose an optional display.

Analog outputs are preset at the factory to:

  • Channel 1: 0 ... 10 V = 0 ... 100% RH
  • Channel 2: 0 ... 10 V = -40 ... +60 °C (-40 ... +140 °F) T

The package includes:

  • HMW89 transmitter
  • Installation instructions on the inside cover of the box

HMW89 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Voltage Outputs, 3% accuracy
HMW89 Humidity and Temperature Transmitter for Humid Area Applications within Building automation, 3-Wire Voltage Outputs
Standard delivery time for single unit: 1 weeks
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Warranty: 24 months
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Detailed information

Measurement parameter(s)Relative humidity
Temperature
Dew point temperature*
Enthalpy*
Wet bulb temperature*
Measurement range0 ... 100 % RH
-40 ... +60 °C (-40 ... +140 °F) T
Measurement accuracy±3.0 % RH (0 ... 90 % RH)
±5.0 % RH (90 ... 100 % RH)
Operating temperature-40 ... +60 °C (-40 ... +140 °F) without display
-5 ... +60 °C (-23 ... +140 °F) with display
Operating voltage10 ... 28 VDC, 24 VAC
Analog outputs0 ... 10 V
Housing classificationIP65
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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