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HM40 compact humidity and temperature indicator with 12 mm diameter HM46 humidity and temperature probe, batteries, case, manual and calibration certificate
The Vaisala HUMICAP hand-held humidity and temperature meter HM40 is available in four versions. You can choose either the standard or remote probe model according to your requirements along with a 4 mm diameter version and a long reach probe. Compact and easy to use, hand-held is an ideal spot-checking tool, at hand everywhere you go. It provides reliable measurement results in various environmental conditions from heavy industrial to clean, life science applications. The HM40's humidity measurement uses the same Vaisala HUMICAP sensor technology that landed on Mars aboard the Curiosity Rover, proving the sensor's excellence in terms of long-term stability and durability in demanding environments.
Humidity measurement range 0 to 100 % rh
Humidity accuracy within the range 0 to 40 °C ± 1.5 % rh (0 to 90 % rh), ± 2.5 % rh (90 to100 % rh) Temperature measurement range - 10 to + 60 °C
Temperature accuracy ± 0.2 °C
Power 2x AA size alkaline batteries, type IEC LR6