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Calibrations (Accredited laboratory) Maintenance - Repairs Department of Cleanroom Validation (Lloyd's Register Certified)) IQ/OQ/PQ Temperature/ Humidity Mapping Occupational Health & Safety Measurements Validation Studies Vibration and Noise studies Laboratory Organization174 H
174 H
Mini temperature and humidity data logger
Manufacturer : testo
The testo 174H mini temperature and humidity data logger features 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 is highly accurate.
The 174H temperature and humidity data logger has free software available as a download for easy analysis
| Temperature - NTC | |
|---|---|
|
Measuring range |
-4° to 158 °F / -20 to +70 °C |
|
Accuracy |
±0.9 °F (-4° to 158 °F) / ±0.5 °C (-20 to +70 °C) |
|
Resolution |
0.1 °F / 0.1 °C |
| Humidity - Capacitive | |
|---|---|
|
Measuring range |
0 to 100 %rH* |
|
Accuracy |
±3 %rH (2 to +98 %rH) ±0.03 %rF/K |
|
Resolution |
0.1 %rH |
| General technical data | |
|---|---|
|
Storage temperature |
-40° to 158 °F / -40 to +70 °C |
|
Dimensions |
2 x 2 x 0.7 in. / 60 x 38 x 18.5 mm |
|
Operating temperature |
-4° to 158 °F / -20 to +70 °C |
|
Protection class |
IP20 |
|
Channels |
2 |
|
Warranty |
2 years |
|
Measuring rate |
1 min - 24 h |
|
Battery type |
2 lithium batteries (CR2032) |
|
Battery life |
1 year (15 min measuring cycle, +25 °C) |
|
Memory |
16,000 measuring values |
Please note: The testo 174H temperature and humidity data logger requires an interface. One interface can be used for multiple instruments.

