Description
The testo 174 H mini data logger is ideal for monitoring the storage of temperature and humidity-sensitive goods such as food or in archives, as well as for monitoring the climate in buildings. It reliably records temperature and humidity within a measuring range of -20 °C to +70 °C, displays current values and limit value violations and stores up to 16,000 readings. With user-friendly programming and evaluation via professional software including Excel export and PDF report generation, it enables precise and convenient monitoring and documentation.
‘Sensor type NTC
Measuring range -20 … +70 °C
Accuracy ±1 digit±0.5 °C (-20 … +70 °C)
Resolution 0.1 °C
Sensor type Testo humidity sensor capacitive
Measuring range 0 … 100 %RH*
Accuracy ±1 digit ±3 %RH (2 … 98 %RH) ±0.03 %RH/K
Resolution 0.1 %RH* Not for condensing atmospheres. For continuous use in high humidity (>80 %RH at ≤30 °C for >12 h, >60 %RH at >30 °C for >12 h) please contact us.
>12 h) please contact us via our website.
General technical data
Channels 2 x internal
Battery type 2 lithium batteries (CR 2032)
Service life 1 year (15 min measuring cycle, +25 °C)
Operating temperature -20 … +70 °C
Storage temperature -40 … +70 °C
Dimensions 60 x 38 x 18.5 mm
Weight35 g
Protection class IP20
Measuring cycle 1 min – 24 h
Memory 16,000 measured values







