Image
  1. Home
  2. testo 174 T
0572 1740 02

testo 174 T - Mini temperature data logger with USB-C and PC software

Image
Image
Image
Image
Image
Image
The testo 174 T mini data logger is the ideal solution for commissioning, inspection and maintenance of all HVAC/R systems. It monitors temperatures from -22 °F to 158 °F, allows for easy data reading via USB-C and utilizes professional software for efficient analysis and Excel export for simplified documentation.
  • Professional software with Excel export function for programming the logger and for data analysis, as well as for creating reports in PDF format
  • Wide temperature measuring range from -22 °F to 158 °F
  • Secure automatic data backup when the battery is empty or during a battery change
  • Convenient measurement data storage for up to 16,000 readings
The testo 174 T mini data logger is ideal for efficient commissioning, inspection and maintenance of all HVAC/R systems, as well as for convenient fault diagnosis and monitoring of the indoor climate. It reliably records temperature and humidity within a measuring range of -22 °F to 158 °F, 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 reporting, it provides accurate and convenient monitoring and documentation.

Programming and analysis with the temperature and humidity data logger

You can choose between two software versions for programming and reading your data logger and analyzing the data on a PC:
  • ComSoft Basic software – available as a free download – for quick data logger programming and simple data analysis.
  • ComSoft Professional software – available as an optional extra – offers various options for more detailed analysis of temperature and humidity readings
Caution: Please download the latest version of the software before using the USB logger

Temperature - NTC

Measuring range
-22° to 158 °F / -30 to +70 °C
Accuracy
±0.9 °F (-22° to 158 °F / ±0.5 °C (-30 to +70 °C)
Resolution
0.1 °F / 0.1 °C

General technical data

Weight
1.24 oz. / 35 g
Dimensions
2 x 1 x 0.7 in. / 60 x 38 x 18.5 mm
Operating temperature
-22° to 158 °F / -30 to 70 °C
Housing
Plastic
Protection class
IP65
Channels
1 internal
Product colour
Black
Standards
EN 12830
Measuring rate
1 min - 24 h
Battery life
500 days (15 min measuring cycle, +25 °C)
Battery type
2 lithium batteries (CR2032)
Memory
16,000 measuring values
Storage temperature
-40° to 158 °F / -40 to +70 °C
testo 174 T mini temperature data logger including wall bracket, battery (2 x CR2032 lithium), USB 2.0 data transfer cable and test report.

  • not available

Accessories

testo ComSoft Professional software

: 0554 1704

ComSoft Professional 4 - software

ComSoft Professional 4

$ 615.00
ComSoft Basic Software

: 0572 0580

testo ComSoft Basic v6.0 - Logger software

USB connection – all Testo loggers except 184 series

Headquarters
Testo Inc.
40 White Lake Road
07871Sparta
New Jersey
800-227-0729

© 2026