Vaisala HMW89 RH + T Wall Mount Transmitter | 0–10 V, IP65

The Vaisala HMW89 RH + T Wall Mount Transmitter provides reliable humidity and temperature measurement for HVAC and building automation applications. It is part of Vaisala’s HMDW80 wall-mounted transmitter range and is designed for systems that require 0–10 V output signals. With ±3% RH accuracy and an IP65-rated enclosure, the HMW89 suits demanding indoor environments where stable relative humidity and temperature monitoring is required. Hinco Instruments supplies Vaisala measurement solutions in Perth and across Western Australia, backed by more than 70 years of instrumentation expertise.

Vaisala documentation confirms the HMW89 is part of the wall-mounted HMDW80 range, alongside HMW88 and TMW88, and covers wiring, mounting and DIP switch configuration for these models