Portable Humidity and Temperature Meter

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

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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