Portable Humidity and Temperature Meter HM40

The Vaisala HM40 is a compact, robust and affordable hand-held meter for various portable measurement applications. It is an ideal spot-checking tool that is easy to use and provides reliable measurement. The HM40 hand-held utilizes the interchangeable HMP110 probe that was launched earlier this year and is equipped with the latest humidity sensor technology, the HUMICAP® 180R.

Model available: HM41, HM42, HM45, HM46

Vaisala Official Distributor in Humidity, Dewpoint, Continuous Monitoring System (CMS) viewLinc (2015),
Temperature, CO2, Barometric Pressure, Moisture in Oil, Wind etc in Malaysia since 1990s

Model HM40 (replacement of HM34C)
Fixed / Portable Portable
Measurement Range 0-100% rH
Accuracy ±2%rH
Remarks The main features and benefits of the HM40:
o Compact and robust housing
o Humidity measurement range 0…100 % RH
o Operating temperature range -10 °C…+60 °C
o Displays a wide range of quantities: RH, T, Td, Tw, a, x, h
o Interchangeable HMP110 probe with HUMICAP® 180R sensor
o Graphs for selected humidity quantity and temperature indicate when readings have stabilized
o Large graphic display
o Hold-button to freeze the screen
o Can be user calibrated
o Multilingual user interface with 10 languages: English, German, French, Finnish, Swedish, Chinese, Russian, Spanish, Japanese and Portuguese
o Powered by two standard AA-sized batteries
o Rechargeable AA-size NiMH batteries and an external battery recharger with USB connection available as an option


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