This document is the instruction manual for testo 174 data logger
This manual provides instructions for the testo 174 data logger, available in two models: the testo 174T for temperature measurement and the testo 174H for monitoring climatic conditions including humidity. It details safety precautions, technical specifications, and the use of the testo ComSoft software for programming and data reading.
| Measuring range (Temperature) | -30 to +70 °C |
|---|---|
| Temperature Accuracy | ± 0.5 °C |
| Humidity Accuracy | ± 3 % RH |
| Battery Type | 2 x CR 2032 lithium |
| Memory Capacity | 16,000 readings |
| Protection Class | IP65 |
The testo 174T is ideally suited for temperature measurement in refrigerators, freezers, cold rooms and cold shelves.
The testo 174H monitors climatic conditions, such as in warehouses, offices and in the manufacturing sector.
The battery life is 500 days for the testo 174T and 1 year for the testo 174H with a 15 min measuring cycle at +25 °C.