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HMT330 Series Humidity and Temperature Transmitters for Demanding Humidity Measurement

​​​​HMT330Measure humidity in harsh environments with the best-in-class transmitter you can truly depend on. 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, the instrument can be tailored to meet the specific needs of each individual application.

Six models for demanding applications:
  • 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
HMT331 HMT333 HMT334 HMT335 HMT337 HMT338 Calibration of HMT330 with HM70 hand-held meter Inside HMT330​​​​​​​​​



    DNV Type Approved Product TYPE APPROVED PRODUCT
    CERTIFICATE NO.: A-13529



    • Repair Services
    • Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.
    • On-Site Calibration
    • On-site calibration helps you maximize both reliability and profitability by minimizing costly equipment downtime and ensuring compliance with relevant regulations and standards. Our expert engineers can also replace a range of components, carry out minor repairs, and provide the latest upgrades.
    • Spare Parts
    • Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.
    • Service Center Calibration
    • Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.
    • Warranty
    • Vaisala HMT330 Series is covered by an exceptional 10-year warranty for customers who calibrate the units annually at the Vaisala Service Center. Otherwise standard 24-month warranty applies. During the warranty period you benefit from free repair or replacement of faulty equipment.
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    Accessories & Spare Parts

     Accessories & Spare Parts