The Vaisala HUMICAP® Hand-Held Relative Humidity and Temperature Indicator HMI41 is versatile and easy to use. With a choice of five different probes it gives you flexibility to work in a variety of applications. The indicator also provides a calibration option: by using a suitable probe and connection cable, most Vaisala's humidity transmitters can be easily calibrated at one point.

All five probes incorporate the HUMICAP® Sensor, known for its high accuracy, reliability and long-term stability.

· HMP41 relative humidity and temperature probe fix-mounted on the HMI41 indicator.

· HMP42 for structural humidity measurements from very small spaces (probe diameter 4 mm).

· HMP44 for construction moisture measurements.

· HMP45 with a cable for measurements in ducts and chambers.

· HMP46 for measurements in high temperatures and places hard to reach.