testo 175 T1 Temperature Data Logger


The Testo 175 T1 temperature data logger is ideal for monitoring storage temperatures and long-term monitoring. It is certified for use in food environments and measures and logs temperatures constantly.The 175 T1 data logger has a built-in temperature sensor and is ideal for monitoring and logging the temperature in cool rooms as well as in storage facilities.

State-of-the-art technology. High level of data security

The logger’s display provides you with a wide range of valuable information including current measurement values, threshold values, points where these thresholds have been exceeded, min/max values and remaining battery power. And because all these values can be read off directly from the display, there is no need for you to boot up your PC. In addition, the logger also has a large memory, which can save up to 1 million measurements, and an exceptionally long battery life of up to 3 years. This gives you the freedom to read out the logger data at longer intervals, even when measuring cycles are shorter. 

Programming and analysing your data logger 

Choose one of three software versions to program or read out your temperature logger or to analyze the measuring data you have obtained on your PC:

Software ComSoft Basic– available for free downloading – allows you to program your logger and analyse the data quickly and easily

Software ComSoft Professional– optional – provides you with additional possibilities and a more detailed analysis of the temperature values

 Software ComSoft CFR 21 Part11– optional – ideal for the special demands of the pharmaceutical sector in compliance with 21 CFR Part 11


Checked and certified for use in the food sector

  •          Tested according to DIN EN 12830
  •          HACCP compliant and HACCP International certified
  •          IP65 protection: the temperature data logger can remain in the storage or vehicle cargo area during cleaning

The Testo 175 T1 temperature measurement logger requires an interface to use the free data logger software. One interface can be used for multiple instruments.


More Information
Warranty2 Years
Technical Data
Measuring range-30 to +55 °C 
Operating Temperature-35 to +55 °C
Memory 1 Million Readings 
Accuracy±0,5 °C (-30 to +55 °C)
Resolution0,1 °C
Dimensions89 x 53 x 27 mm
What's Included

One Logger, usb cable, wallholder, lock, batteries, calibration certificate and instruction manual.

Large memory, 1 Million Readings

Data transfer possible using the USB port
or SD card (Optional)

Simple and large easy to read display

Free data logger software available for download

IP65 protection class