Vaisala

HMW90

Wall-mount humidity and temperature transmitters for building automation

HMW90

A family of HUMICAP® wall-mount transmitters for high-performance HVAC — museums, laboratories, data centers and production facilities. HUMICAP® 180R sensor with user-exchangeable measurement modules (delivered with a calibration certificate) and models with analog output (HMW92/93) or digital Modbus RTU (HMW95), with an optional display for local readout.

Download datasheet (PDF)

Specifications

Technical specifications

Humidity range
0–100 %HR
Humidity accuracy (+10…+40 °C)
±1,7 %HR (0–90 %HR); ±2,5 %HR (90–100 %HR)
Temperature accuracy (+20…+30 °C)
±0,2 °C
Operating temperature
-5 °C a +55 °C
Housing rating
IP30
Outputs
HMW92: 4–20 mA; HMW93: 0–5/10 V; HMW95: Modbus RTU (RS-485)

Features

Key features

  • HUMICAP® 180R thin-film capacitive sensor
  • User-exchangeable humidity and temperature modules
  • Optional display for local measurement readout
  • DIP-switch configuration (units, parameters, scaling)
  • Parameters: relative humidity, dew point, mixing ratio, enthalpy, wet bulb, absolute humidity
  • Traceable calibration certificate included; white or black enclosure

Applications

Typical applications

  • Museums and archives
  • Data centers
  • Laboratories and test rooms
  • Production and warehouse facilities
  • High-performance building automation

Need a quote for the HMW90?

Check availability, pricing, and technical support. An AKRIBIS ecosystem specialist will respond within 24 business hours.