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Humidity Temperature Transmitters

Humidity Temperature Transmitters
Vaisala
DMT340 Series
for very dry conditions

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 low dew points
The Vaisala...

Vaisala
DMT345 and DMT346
for High Temperature Applications

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 withstands condensation and is immune to...

Honeywell
H46

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

Honeywell
H600

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

Honeywell
H8908

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

Vaisala
HM70
for Spot-Checking Applications

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 generation of the Vaisala HUMICAP...

Vaisala
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 conditioning systems, production and storage...

Vaisala
HMP361

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

Vaisala
HMP363

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

Vaisala
HMP364

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

Vaisala
HMP365

The HMP365 probe is designed for high temperature environments.

Vaisala
HMP367

The HMP367 probe is constructed to be installed in environments with high humidities.

Vaisala
HMP368

The HMP368 probe enables flexible installation in pressurized pipelines.

Vaisala
HMT330 Series
for demanding humidity measurement

The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 is designed for demanding industrial applications where stable measurement and wide customization is important.

Vaisala HUMICAP® performance
The HMT330 series incorporates Vaisala’s 30 years of experience in industrial...

Vaisala
HMT331
for Demanding Wall-Mounted Applications

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT331 is the top-of-the-line wall-mounted transmitter for demanding HVAC and condition monitoring applications.

Compared to regular wall-mounted transmitters, the HMT331 offers, higher measurement performance, better chemical tolerance, advanced graphical display...

Vaisala
HMT333
for Ducts and Tight Spaces

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT333 is a versatile instrument for applications where a small remote probe is needed.

Flexible installation
To install the probe in ducts, channels and through walls, an installation kit is available with an aluminum flange, lead-through piece, and...

Vaisala
HMT334
for High Pressure and Vacuum Applications

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT334 is designed to measure humidity in pressurized spaces or vacuum chambers. Each probe is tested to ensure a gas and vacuum tight installation.

Vaisala HUMICAP® performance
The HMT334 incorporates Vaisala’s more than 30 years of...

Vaisala
HMT335
for High Temperatures

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT335 has a long stainless steel probe designed for high temperatures.

Robust probe ideal for high flow rates
The HMT335 is ideal for duct measurements as the probe tolerates mechanical stress and withstands high flow rates. The HMT335 can be used...

Vaisala
HMT337
Transmitter for High Humidity Applications

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT337 is delivered in one of three configurations:
• Basic: non-warmed probe for moderate humidities
• With a warmed probe: for nea-rcondensing conditions and dew point measurement
• With a warmed probe and an additional temperature sensor: for near-...

Vaisala
HMT338
for Pressurized Pipelines

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT338 is designed for pressurized processes.

Insert or remove probe while the process is running
With “hot tapping”, the probe is inserted directly into the process while it is running, without the need for venting or lowering the...

Vaisala
HMT360 Series
The Vaisala HUMICAP® Humidity
and Temperature Transmitter Series
...
Rotronic
Hygro Flex 3
THE FLEXIBLE TRANSMITTER

The new HygroFlex3-series is the latest development in HVAC transmitters for relative humidity, temperature and dew point. Based on AirChip3000 technology, the instruments achieve a degree of accuracy not seen before.

In combination with advances in sensor technology and integration, the HygroFlex3-series provides superb precision...

Rotronic
Hygro Flex 4
The universal transmitter

The new HygroFlex 4-series is the latest development in HVAC transmitters for relative humidity, temperature and dew point. Based on AirChip3000 technology, the instruments achieve a degree of accuracy not seen before.

In combination with advances in sensor technology and integration, the HygroFlex HF42-, HF43- and HF45-...

Rotronic
Hygro Flex 5
THE INTELLIGENT TRANSMITTER.

The new HygroFlex5-series is the latest development in transmitters for humidity, temperature and dew point. One outstanding feature of this innovative product is, the possibility to output all psychrometric calculations as an analog signal.

The HF5-series is compatible with HygroClip2 probes with integrated AirChip3000 technology...

Rotronic
Hygro Log HL-NT

The HygroLog HL-NT humidity, dew point and temperature data logger can be used with any of the HygroClip 2 probes. The HL-NT can monitor up to 7 probes as well as up to two external on/off contacts, such a a door contact. When used together with the validated ROTRONIC HW4 software the HygroLog HL-NT data logger complies with FDA 21 CFR part 11...

Rotronic
Hygro Palm HP23

The HP23 is a multi-function hand-held indicator that can read the data from up to two HygroClip 2 probes and display relative humidity, temperature and a calculated parameter such as the dew or frost point. Any probe input can also be configured by the user to accept a third party analog probe (restrictions apply).

Selecting the...

Rotronic
Hygrogen2
HUMIDITY AND TEMPERATURE GENERATOR FOR THE CALIBRATION OF ALL TYPES OF RH INSTRUMENTS

Since its launch, HygroGen has become the benchmark for transportable RH and temperature calibrators. Hundreds of users worldwide have identified that this tool for rapid generation of fixed humidity and temperature conditions can save significant amounts of time when performing RH and temperature calibrations. The pharmaceutical industry...