Humidity and Temperature Transmitter Series HMD/W80

HMD/W80 Humidity and Temperature Transmitters

HMD80 and HMD83(D) together

HMW82

HMW88 and HMW89(D) together

HMS82 and HMS83 for outdoor use

Humidity and Temperature Transmitter Series HMD/W80

±3%RH Low Maintenance Transmitters for Standard HVAC

The HMDW80 Series has easy field configuration of wet-bulb, enthalpy and dew point outputs instead of RH in duct. Also IP65 classified wall sensors and outdoor sensors with a radiation shield are available.

The sensors measure relative humidity and temperature in various building automation applications. These transmitters combine easy installation and reliable operation with a low requirement for maintenance.

View all our instruments for HVAC applications .

Click here to download bid specs for USA.

Watch the video

Outdoor installation of HMS82 and HMS83.

Key Benefits

Easy installation

The HMDW80 series transmitters are optimized for easy installation to reduce time and money. There are no loose parts, screws are retained in the enclosure, all connectors are clearly labeled, and the connectors are within easy reach.

Minimal maintenance

Requires minimal maintenance thanks to the excellent sensor stability and high-quality materials. If necessary, the INTERCAP® sensor can be easily exchanged in the field with minimum downtime.

Read more

Overview

The HMDW80 series is versatile with transmitters for wall and duct mounting, IP65-classified transmitters for humid areas, and transmitters with a radiation shield for outdoor use. The series also includes temperature-only transmitters and transmitters with an optional display. The duct mount transmitters are well suited to a variety of duct sizes, the outdoor transmitters can be mounted directly onto a wall or pole without any extra accessories, and the wall mount transmitters can be installed without the need to make holes in the transmitter enclosure.

The following models are available: TMW82, TMW83, HMW82, HMW82P100, HMW83, TMW88, HMW88, HMW88D, HMW89, HMW89D, TMD82, TMD83, HMD82, HMD82D, HMD83, HMD83D, HMS82, HMS82C, HMS83, HMS83C.

For details, see the datasheet.

Features

±3.0 %RH accuracy

Full 0 … 100 %RH measurement range

Wall-mount temperature-only transmitters TMW82/83

Standard wall-mount humidity and temperature transmitters HMW82/83

IP65-classified wall-mount humidity and temperature transmitters HMW88/89(D) with and without display, for humid areas

Duct-mount humidity and temperature transmitters HMD82/83(D) with and without display

Outdoor humidity and temperature transmitter HMS82/83

Typical installation locations include Ventilation ducts, walls, wash-down areas and outdoor locations

Details

Specifications

Datasheet

HMDW80 Series Humidity and Temperature Transmitters2.54 MB

Documents

Technology Description

HUMICAP Technology Description274.38 KB

Vaisala HUMICAP Sensor for Measuring Relative Humidity274.38 KB

Application Note

Choice of outdoor humidity sensors critical to economical free cooling system204.62 KB

Increased human comfort from optimal indoor air humidity189.99 KB

Outdoor Wet Bulb Temperature - The Defining Measurement for Cooling Tower Operations262.71 KB

Good Indoor Air Quality Leads to Good Decisions2.66 MB

Eight Things to Consider When Choosing an Outdoor Humidity Instrument270.95 KB

How to choose the right parameter for humidity control in HVAC1.41 MB

Brochure

Vaisala Humidity, Temperature, and CO2 Instruments for HVAC Applications1.65 MB

Datasheet

HMDW80 Series Humidity and Temperature Transmitters2.54 MB

Presentation

HMW80 Presentation207.03 KB

HVAC Product Family Presentation2.94 MB

Success Story

How Shenzhen Subway Keeps It Cool118.13 KB

Technical Drawing

HMD82 HMD83 Wiring Diagram in English418.69 KB

HMW88 HMW89 Wiring Diagram in English404.18 KB

Magazine Article

Article published in REHVA 5-2018 - How to choose the right parameter for humidity control in HVAC730.81 KB

Support

Explore Our HVAC Instruments and Services Offering

Download HVAC eBook

Read More

Stories

Field Maintenance of HVAC Humidity and CO2 Sensors

Blog | Feb 6, 2019

Field Maintenance of HVAC Humidity and CO2 Sensors

Anything worth measuring is worth measuring right, and to do that periodic calibration is essential. In HVAC, the primary reason to measure CO₂...

Which Factors Can Cause Drift in Relative Humidity

Blog | Jan 16, 2019

What Causes Drift in Relative Humidity Sensors?

All gases in the environment will interact with a humidity sensor and potentially cause drift. Water needs to get in and out of the sensor,...

How to Choose the Right Parameter for Humidity Control in HVAC

Blog | Nov 21, 2018

How to Choose the Right Parameter for Humidity Control in HVAC

Most people working in the HVAC field are familiar with using relative humidity (RH) as the default control parameter for humidity measurement....

How Shenzhen Subway Keeps It Cool

Success Story

How Shenzhen Subway Keeps It Cool

A quickly growing subway system in southern China chose Vaisala’s humidity and temperature transmitters for its air conditioning control system....

Man is thinking -drawing

Blog | May 14, 2015

Humidity sensors – do you know what's inside?

If you don't know, perhaps you should. If you don't know how your humidity sensor works, how can you know that you are using the right humidity...

Events

Find your local Contact

Technical Support