The 3-wire HMW89 transmitter measures relative humidity and temperature in wash-down areas and other humid environments within building automation. 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.
HMW89 has a 0-10V output.
Optional output parameters, dew point, wet bulb temperature or enthalpy selections can be easily changed with dip switches when the enclosure is open.
You can choose an optional display
The ingress protection ratings are:
Analog outputs are preset at the factory to: