The Vaisala Humicap Hand-held Humidity and Temperature Meter HM70 is a user-friendly meter for demanding spot-checking humidity measurements
The Vaisala HM70 is a user-friendly meter for demanding spot-checking humidity measurements. The HM70 features the Vaisala advanced Humicap Technology, which is known for its accuracy, reliability and stability in industrial humidity measurement. It also supports field checking and calibration of Vaisala fixed humidity instruments.

Depending on the choice of probe, the HM70 measures relative humidity from 0 to 100 %, and temperature between -70 to +180 C.

The probe options include a long, stainless steel probe, ideal for spot-checking in ducts.

A small probe head with a 5-metre cable is available for use in difficult-to-reach areas, and for on-site calibration of Vaisala process transmitters.

Two probes can be used concurrently, including the Vaisala dewpoint and carbon dioxide probes.

The HM70 has a multilingual, user interface and a graphical LCD display with data logging capability.

The optional Windows software provides an easy-to-use interface to a PC.

An analogue output is also available.

Low power consumption provides long operation in the field.