DatasheetThe testo 174 H mini data logger is the ideal solution for commissioning, inspection and maintenance of all HVAC/R systems. With a measuring range of -20 °C to +70 °C, simple operation and professional analysis software, it offers precise and reliable control.
Programming and analysis with the temperature and humidity data logger
You can choose between two software versions for programming and reading your data logger and analyzing the data on a PC:
- ComSoft Basic software – available as a free download – for quick data logger programming and simple data analysis
- ComSoft Professional software – available as an optional extra – offers various options for more detailed analysis of temperature and humidity readings
Caution: Please download the latest version of the software before using the USB logger. You will find this in the download section.
Delivery Scope
testo 174 H mini temperature data logger including wall bracket, battery (2 x CR2032 lithium), USB 2.0 data transfer cable and test report.
Technical data
Temperature – NTC
| Measuring range |
-20 to +70 °C
|
|---|---|
| Accuracy |
±0.5 °C (-20 to +70 °C)
|
| Resolution |
0.1 °C
|
Humidity – Capacitive
| Measuring range |
0 to 100 %RH*
|
|---|---|
| Accuracy |
±3 %RH (2 to 98 %RH)
±0.03 %RH/K
|
| Resolution |
0.1 %RH
|
| * Not for condensing atmospheres. | |
General technical data
| Weight |
35 g
|
|---|---|
| Dimensions |
60 x 38 x 18.5 mm
|
| Operating temperature |
-20 to +70 °C
|
| Product-/housing material |
Plastic
|
| Protection class |
IP20
|
| Channels |
2 internal
|
| Product colour |
Black
|
| Standards |
HACCP International
|
| Measuring rate |
1 min – 24 h
|
| Battery life |
1 year (15 min measuring cycle, +25 °C)
|
| Battery type |
2 lithium batteries (CR2032)
|
| Memory |
16,000 measuring values
|
| Storage temperature |
-40 to +70 °C
|
