HMW88 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Loop-Powered, 3% accuracy - Vaisala Online Store

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HMW88 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Loop-Powered, 3% accuracy

The 2-wire HMW88 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 HMW88 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 HMW88 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: 4 ... 20 mA = 0 ... 100% RH
  • Channel 2: 4 ... 20 mA = -40 ... +60 °C (-40 ... +140 °F) T

The package includes:

  • HMW88 transmitter
  • Installation instructions on the inside cover of the box

HMW88 Humidity, Dew point, Wet bulb, Enthalpy and Temperature Sensor for HVAC, IP65, Loop-Powered, 3% accuracy
HMW88 Humidity and Temperature Transmitter for Humid Area Applications within Building automation, Loop-Powered
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 voltage20 ... 28VDC at 600 Ohm load
10 ... 28VDC at 0 Ohm load
Analog outputs4 ... 20 mA
Housing classificationIP65
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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