Humidity and Temperature Meter Series HMT330
Measure humidity in harsh environments with the best-in-class instrument you can truly depend on. The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 with 10-year warranty* is designed for demanding industrial applications where stable measurements and extensive customization are essential. There are six models to choose from:
- HMT331 for wall mounting
- HMT333 for duct mounting and tight spaces
- HMT334 for high pressures up to 100 bar and vacuum conditions
- HMT335 for high temperatures
- HMT337 for high humidity and meteorological applications
- HMT338 for pressurized pipelines up to 40 bar
The instrument can be quickly tailored to meet the specific needs of each individual application and is pre-configured for each delivery.
Features
Full 0 … 100 %RH measurement, temperature range up to +180 °C (+356 °F) depending on model
Pressure tolerance up to 100 bar depending on model
Excellent performance in harsh conditions; good chemical tolerance
Corrosion-resistant IP65/IP66 housing
Traceable calibration for measurement and analog outputs (certificates included)
RS232/485/422 LAN
Modbus protocol support (RTU/ TCP)
Optional graphical display and keypad for convenient operation
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Key Benefits
Reliable and stable
Accurate and stable measurement even in demanding conditions gives reliable data. The construction of the transmitter is suitable for the heavy duty in industrial applications.
Configurable and ready for installation
The product is assembled and configured to your needs, delivered within days to your facility, and fully ready for installation. The user interface is multilingual and available in English, German, French, Japanese and Chinese.
*10-year warranty
We offer a 10-year warranty on new HMT330 transmitters that are calibrated annually at the Vaisala Service Center. This warranty program is available to all customers for units purchased from January 2014 onwards and requires no sign-up.
Downloads
Datasheet (2.59 MB)
HMT330 Series Humidity and Temperature Transmitters
Product Resources
Customer Stories
Success Story
Optimized drying process helps Isolava cut energy consumption and improve end-product quality
Isolava, founded in 1963 and part of Knauf group since 1990, manufactures gypsum plaster blocks for the construction industry. The most energy...
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Creating the Right Climate
Vaisala Humidity Transmitters Help to Preserve the Royal Warship Vasa Saving the famous 17th century Swedish warship, Vasa, from further...
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Mona Lisa Preserved by Vaisala
By Jean-Francois Bore, Application Sales Engineer, Vaisala "I am sure you know of the Mona Lisa, known as La Joconde in French, one of the most...
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Optimal Timber Drying Conditions at the Korkeakoski Sawmill
Vaisala’s humidity and temperature measurement probes help the sawmill to minimize the drying time for timber goods. The UPM-Kymmene Korkeakoski...
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Accurate Monitoring of Plastic Drying Process
In plastic production plants, dew point measurement is essential for monitoring the drying process. Tessy Plastics Corporation’s state-of-the...
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Caldwell Energy Relies on Vaisala HMT333 Humidity and Temperature Transmitters for Turbine Inlet Air Cooling Systems
“Vaisala’s are built for the industrial environment. We’ve had no failures in six years.” Mark Ammons, Project Engineer, Caldwell Energy Power...
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+20% Increase in Production Capacity with Zero Increase in Energy Consumption - Dairy Manufacturer Valio Updated Dryer Controls
Dairy Manufacturer Valio Updated Dryer Controls Valio, solely owned by the Finnish dairy farmers, is the largest dairy company in Finland. The...
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Saving Energy in Ceramics Drying
“Vaisala relative humidity transmitters have become standard within the Wienerberger Group.” Steven Debels, Plant Manager, Koramic Pottelberg...
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China's World-Famous Taizhou Bridge Uses HMT330 Humidity Transmitters to Extend Service Life
“We chose Vaisala HMT330 to monitor temperature and humidity conditions in the bridge’s main-cable dehumidification system
because we pay...
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Challenge of Measuring Inlet Humidity on Combustion Turbines
The Cinergy Madison Generating station, located north of Cincinnati, Ohio, came into commercial operation in July 2000. The plant has eight GE...
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21st Century 4-stroke Engine Based Power Plants Rely on Vaisala Humidity Measurement
Power plant emissions (especially nitrogen oxides) can be controlled by monitoring the humidity content of the engine charge air. An accurate...
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Setting the Standard in Tissue Engineering
Tissue engineering offers the promise of off-the-shelf products containing living human cells. Organogenesis Inc . has turned this science...