Delivery Scope

testo 175-H1 data logger for temperature and humidity measurements, external humidity sensor (NTC/ capacitive humidity sensor), wall bracket, lock, batteries, calibration protocol.

Temperature and humidity data logger - testo 175-H1
Model No: testo 175-H1 Part No: 0572 1754

The testo 175-H1 data logger measures, monitors and logs the temperature and relative humidity to monitor the indoor climate in buildings, storage facilities and archives and help create a comfortable climate in the workplace.

  1. High level of data security
  2. Large, easily legible display
  3. Measurement data memory for 1 million measurement values
  4. Up to 3 years‘ battery life
  5. Data transfer via USB cable or SD card
  6. Permanently installed external capacitive humidity sensor


Temperature - NTC
Measuring range -20 to +55 °C
Accuracy ±0.4 °C (-20 to +55 °C) ±1 Digit
Resolution 0.1 °C
Humidity - Capacitive
Measuring range 0 to 100 %RH*
Accuracy ±2 %RH (2 to 98 ) at +25 °C
Resolution 0.1 %RH
* Not for condensing atmospheres.
Dewpoint (calculated)
Measuring range -40 to +50 °Ctd
Accuracy +0.03 %RH/K ±1 Digit
General technical data
Weight 130 g
Dimensions 149 x 53 x 27 mm
Operating temperature -20 to +55 °C
Product-/housing material Plastic
Protection class IP54
Channels 2 internal
Life-time sensor Long-term drift of the sensor <1% RH / year (ambient temperature + 25 ° C)
Standards EU-guideline 2014/30/EU; 2011/65/EU
Measuring rate 10 s - 24 h
Battery type 3 x AIMn type AAA or Energizer
Battery life 3 years at 15 min. meas. rate, +25 °C
Interface mini usb, SD card slot
Memory 1,000,000 measuring values
Storage temperature -20 to +55 °C

Delivery Scope

Testo 174-H mini data logger, including wall bracket, batteries (2 x CR 2032 lithium) and calibration protocol.

Mini data logger for Temperature and Humidity - testo 174-H
Model No: testo 174-H Part No: 0572 6560

The testo 174-H mini data logger measures and logs the air temperature and relative humidity in storage rooms and offices continuously without interruption accurately and reliably.

  1. Display of current temperature/ humidity value
  2. High data security
  3. Large display
  4. Fast data analysis and documentation on a PC
  5. Waterproof according to IP65
  6. Measurement data memory for 16,000 measurement values
  7. HACCP-compliant and certified according to EN 12830


Temperature - NTC
Measuring range -20 to +70 °C
Accuracy ±0.5 °C (-20 to +70 °C)
Resolution 0.1 °C
Humidity – Capacitive (testo 174H)
Measuring range 0 to 100 %RH*
Accuracy ±3 %RH (2 to +98 %RH) at +25 °C ,±0.03 %RH/K ±1 Digit
Resolution 0.1 %RH
Weight 34 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
Standards 2011/65/EU; EU-guideline 2014/30/EU
Measuring rate 1 min - 24 h
Battery type 2 x 3V button cell (CR 2032)
Battery life 1 year (15 min measuring cycle, +25 °C)
Memory 16,000 measuring values
Storage temperature -40 to +70 °C
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