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Data Logger, Temperature & Humidity, 2 Channel


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Technical Datasheet:
TESTO 174-H   Datasheet
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Temperature & Humidity

2 Channel


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Technical Documents (1)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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Product Overview

The TESTO 174-H is a 2-channel mini temperature and humidity data logger with internal sensor (NTC/capacitive humidity sensor). It provides reliable and economical temperature and humidity monitoring of products in storage and transport. The capacitive humidity sensor measuring range from 0 to 100%RH (±3%RH (2 to 98%RH), ±0.03%rF/K accuracy, 0.1%RH resolution) and NTC measuring range from -20°C to +70°C ( ±0.5°C (-20 to +70°C) accuracy 0.1°C resolution). The compact and robust 174-H also monitors building climate, continuously, securely and unobtrusively. The 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 data 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. It monitors climatic conditions in warehouses, offices and in the manufacturing sectors.
  • Humidity sensor with long term stability and high data integrity even with empty battery
  • 1min to 24h measuring rate, IP20 protection class & data transfer to the PC via USB interface
  • Large measurement data memory capable of storing 16000 temperature and humidity readings
  • Display of the current temperature or humidity value large easy to read display
  • Monitoring and documentation of transport temperature and humidity
  • Monitoring and documentation of storage temperature and humidity
  • Monitoring and documentation of building climate
  • Long life NTC thermistor temperature and humidity sensor for reliable and accurate measurements
  • Dimension is 60mm x 38mm x 18.5mm and operating temperature range from -20°C to +70°C
  • Software ComSoft testo 174 allows fast programming of the data logger and easy analysis


Test & Measurement


TESTO 174H mini data logger, Wall bracket, Battery (2 x CR 2032 lithium), Calibration protocol.


This temperature and humidity data logger requires an interface. One interface can be used for multiple instruments.


Never use the instrument to measure on or near live parts.
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