Testo 174 Temperature & Relative Humidity Data Logger

The Testo 174 mini temperature and relative humidity data logger is an efficient, compact and easy-to-use single channel, mini data logger for all types of highly accurate temperature monitoring. This Testo data logger comes in two different models: the Testo 174T which measures temperature and the Testo 174H which measures both temperature and relative humidity.

With an internal NTC temperature sensor, the Testo 174T features a measurement range from -22 to +158°F (-30 to +70°C), with an accuracy of +0.5°C and a resolution of 0.1°C. This Testo data logger is ideal for temperature measurements in refrigerators, freezers, cold rooms and display cases. Other features of the Testo 174T include secure data protection (even with drained battery), a large memory of up to 16,000 values, IP65 splash-proof rating and a measuring cycle from 1 minute to 24 hours (user selectable).

The Testo 174H, which measures temperature and relative humidity, features measuring ranges of -4 to +158°F (-30 to +70°C) and 0 to 100% RH. This Testo data logger monitors your indoor climate conditions, such as in warehouses, offices, schools, new construction, production areas, even confined spaces. Other features of the Testo 174H include secure data protection (even with drained battery), a large memory of up to 16,000 values, IP20 protection class and approximately 1 year of battery life.