Humidity and Temperature Meter Series HMT330
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.
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.
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Overview
The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 is ideal for applications where stable measurement is essential. 10-year warranty proves the outstanding reliability. With multiple options to choose from, including local display, the HMT330 series can be tailored to meet the specific needs of each individual application. There are six models for different applications:
- HMT331 for wall mounting (HMP331 probe)
- HMT333 for duct mounting and tight spaces (HMP333 probe)
- HMT334 for high pressures up to 100 bar and vacuum conditions (HMT334 probe)
- HMT335 for high temperatures (HMP335 probe)
- HMT337 for high humidity and meteorological applications (HMP337 probe)
- HMT338 for pressurized pipelines up to 40 bar (HMP338 probe)
Annual calibration at Vaisala Service Center will give you 10-year warranty for your HMT330 series products and the best possible care for your high-quality product. You are also welcome to do on-site calibrations with HM70 hand-held or the HMK15 salt kit.
Calibrating Vaisala HMT330 with HM70 Hand-Held
Saturated Salt Calibration of Vaisala HMT330 with HMK15 Humidity Calibrator
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
Details
Specifications
Datasheet
Documents
Application Note
The Many Faces of Water Vapor219.46 KB
Mona Lisa Preserved by Vaisala147.59 KB
Brochure
Datasheet
Manual
HMT330 User Guide4.19 MB
HMT330WPA Installation Instructions496.46 KB
Order Form
HMT330 Order Form Global100.98 KB
Success Story
Technical Drawing
Vaisala News Article
Certified Reliability For The Seas639.93 KB
White Paper
Certificate
Technical Note
Stories
Blog | Nov 07th 2018
Humidity and Wood Drying – A Fine Balancing Act
As a natural product, wood has a unique set of characteristics that can make drying a challenging and complex process – one where relative...
Blog | Oct 25th 2018
Relative Humidity – What Is It And Why Is It Important?
The basics Put simply, relative humidity (RH) is a measure of the water vapor content of air. More explicitly, it is the amount of water vapor...
Blog | Jun 11th 2018
Critical Measurements Need the Most Accurate Calibration
Make sure your critical measurements don’t let you down . When you’re using instruments for critical measurements, accuracy is everything. Put...
Blog | Jun 07th 2018
Saturated Salt Calibration with the Vaisala HMK15 – Another Easy Option
Saturated salt solutions have a long tradition in relative humidity calibration because they make it relatively simple to create a set of fixed...
Blog | May 29th 2018
One-Point In-Situ Calibration – The Fast, Easy Option
There are many ways to approach the calibration and adjustment of relative humidity instruments. In a perfect world all instruments would be...
Blog | May 18th 2018
High-tech in Museums
Museums are often perceived as stuffy, boring and silent places only interrupted by guided tours. This is no longer true - most museums have...
Success Story | Apr 18th 2018
Creating the Right Climate
Vaisala Humidity Transmitters Help to Preserve the Royal Warship Vasa Saving the famous 17th century Swedish warship, Vasa, from further...
Blog | Jan 23rd 2018
Is Your Humidity Sensor Robust Enough?
Many companies still struggle with measurement instruments, which have low-quality sensors. They are easily available but also easily broken. In...
Blog | Nov 15th 2017
Old Cooling Methods Benefit from Using New Technology
Cooling tower control systems depend on accurate and reliable humidity measurement to increase energy efficiency and reduce maintenance costs....
Success Story | May 31st 2017
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...
Success Story | Nov 02nd 2016
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...
Success Story | Nov 14th 2015
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...
Blog | Jul 10th 2015
Help! My RH sensor’s saturated and my data is wrong…
The Genesis of Heated Probe Technology This is the last in a trio of technology-focused posts about relative humidity sensor innovations and...
Blog | Jul 03rd 2015
You Asked, We Answered: What's the deal with ISO/IEC 17025?
To those of you who joined our Webinar: "The Impact of 2015 Revisions to EU GMP Annex 15 on GDP" on June 25 th , thank you for participating!...
Blog | May 22nd 2015
High Humidity Measurement... Sensor Technology to the Rescue
Over the years we have encountered many different measurement challenges. Vaisala has many excellent engineers and scientists, so measurement...
Blog | Apr 16th 2015
Modern Measurement Technology Obsession meets 500-year Old Artistic Perfection
Her Eyes Follow You Inside the Louvre, Da Vinci's 500-year-old Mona Lisa hangs in a glass display case preserved from the effects of time and...
Blog | Oct 24th 2014
What does it take to guarantee an instrument's function for 10 years?
This year, as of January 1st, every HMT330 Temperature & RH transmitter comes with a 10-year warranty . In this week's blog, we've borrowed some...
Success Story | Sep 05th 2014
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...
Success Story | Sep 05th 2014
+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...
Success Story | Sep 04th 2014
Saving Energy in Ceramics Drying
“Vaisala relative humidity transmitters have become standard within the Wienerberger Group.” Steven Debels,
Plant Manager,
Koramic Pottelberg...
Success Story | Sep 04th 2014
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...
Success Story | Nov 13th 2012
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...
Success Story | Sep 08th 2010
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...
Success Story | Feb 06th 2001
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...
Events
Webinar
Measuring Humidity in Condensing Environments
This webinar discusses humidity measurement in condensing environments and the significant benefits that a carefully selected measurement method...