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Humidity Temperature Transmitters

DMT340 Series

The Vaisala DRYCAP® Dewpoint and Temperature Transmitter Series DMT340 is designed for industrial low humidity applications. Typical applications include compressed air drying and metal treatment. The device is very reliable, easy to use and economical to maintain.

Stability in...

DMT345 and DMT346

The Vaisala DRYCAP® Dewpoint Transmitters DMT345 and DMT346 are designed for humidity measurement in industrial drying applications with particularly high temperatures.

Both transmitters incorporate the Vaisala DRYCAP® sensor, which is accurate, reliable, and stable. The sensor...


Provide automatic control of a humidifier or dehumidifier for dehumidification in air conditioning systems.


Operates humidification equipment on RH fall or dehumidification equipment on RH rise.



H8908 humidity controllers provide automatic low voltage control of humidifiers and dehumidifiers or ventilators, respectively, in central heating and air conditioning systems.


The Vaisala HUMICAP® Hand-Held 
Humidity and Temperature Meter  HM70 is designed for demanding humidity measurements in spot-checking applications. It is also ideal for field checking and calibration of Vaisala's fixed humidity instruments. The HM70 incorporates the latest...

HMI41, HMP46

The Vaisala HUMICAP® Humidity
Indicator HMI41 fitted with the Vaisala HUMICAP® Humidity and Temperature Probe HMP46 can be used for spot checking humidity and temperature in ducts or chambers. Typical applications are plant maintenance, installation and inspection of air...


The HMP361 probe in this picture has a stainless steel netting filter.


The HMP363 probe is small and fits into tight spaces. This one is connected with a teflon cable.


The HMP364 probe is designed for measurement in pressurized spaces or vacuum chambers.


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