Vaisala HM-40 series Precision ThermoHygrometer
The Premier Humidity Meter
?The Vaisala HUMICAP® Hand-Held Humidity and Temperature Meter HM40 is compact and easy to use – ideal for quick inspections and spot-checking in wide variety of applications; from structural moisture control and air conditioning systems to industrial production processes and life science applications. It has an intuitive and multilingual user-interface and ten language options. Multiple calculated parameters are available: dew point, wet bulb temperature, absolute humidity, mixing ratio, and enthalpy.
HM40 series includes following models: