The testo 174H is an ideal logger for the continuous monitoring of temperatures and humidity. The 174H has clear indications of when humidity and temperature thresholds have been exceeded..

The testo 174H mini temperature and humidity data logger has a large display and alarm indication that makes it capable of monitoring air temperature and relative humidity levels at all times. This temperature and RH measurement logger is long lasting for continuous use and has a high accuracy. The 174H mini temperature and humidity data logger kit includes a USB interface for data transfer and has free software available as a download for easy analysis.