Hand-Held Humidity and Temperature Meter HM40 for quick inspections and spot-checkingCompact, portable, and easy-to-use Vaisala HUMICAP® HM40 handheld humidity meter is designed for spot-checking in a wide variety of environments. It provides reliable measurements in a wide range of applications. It is the ideal spot-checking tool for everything from structural moisture measurement and air conditioning systems to humidity measurement in industrial production processes and life science applications. There are four different models available: HM41, HM42, HM45, and HM46.Click here to download bid specs for USA. Buy now Contact us Datasheet Order form Key Benefits Compact and easy to use Ideal for quick inspections and spot-checking in the wide variety of applications. Convenient user interface 10 language options to choose from. Accurate measurement data Visible in numeric, statistic or graph views. Product documentation Datasheets User guides Order forms More in Docs.vaisala.com More downloads Product Resources Expert article Understanding Measurement Performance and Specifications Choosing the most suitable measurement instrument requires an understanding of the factors that contribute to the uncertainty of a measurement. This in turn provides an understanding of what is stated in the specifications – and what is not. Learn more Customer case In support of great works of art For paintings to last through posterity, one must pay careful attention to not only the restoration of the works of art, but to the environment in which they are preserved. Learn more