testo 174 H - Mini temperature and humidity data logger kit

Order-Nr.  0572 0566

  • Simple and large easy to read display

  • Includes USB interface for data transfer

  • Large measurement data memory capable of storing 16,000 temperature and humidity readings

  • Longlife NTC thermistor temperature and humidity sensor for reliable and accurate measurements

The testo 174H mini temperature and humidity data logger has 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 has a high accuracy. The 174H mini temperature and humidity data logger kit includes a USB interface for data transfer and has free software available as a download for easy analysis.

Product Description

The testo 174T is an ideal logger for the continuous monitoring of temperatures and humidity. The 174T has clear indicaions of when humidity and temperature thresholds have been exceeded. 

  • High accuracy NTC thermistor sensor for reliable measurement data of temperature and humidity
  • Easy to read large display that shows current reading and exceeded measurement limits
  • IP65 proection class
  • HACCP compliant

Please note: One USB interface for data transfer can be used for multiple instruments.


Delivery Scope

testo 174H temperature and RH measurement logger, USB interface for data transfer

Temperature - NTC

Measuring range

-4° to 158 °F / -20 to +70 °C


±0.9 °F (-4° to 158 °F / ±0.5 °C (-20 to +70 °C)


0.1 °F / 0.1 °C

Humidity - Capacitive

Measuring range

0 to +100 %rH*


±3 %rH (2 to 98 %rH

±0.03 %rF/K


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 via our website.

General technical data


2 x 1 x 0.7 in. / 60 x 38 x 18.5 mm

Operating temperature

-4° to 158 °F / -20 to +70 °C

Protection class




Battery type

2 lithium batteries (CR2032)

Battery life

1 year (15 min measuring cycle, +25 °C)


16,000 measuring values

Storage temperature

-40° to 158 °F / -40 to +70 °C


ComSoft Professional 4

Order Number: 0572 1704