Testo 175T3 - Temperature Data Logger

Brand: Testo

The testo 175T3 temperature data logger features a large display and alarm indication that makes it ideal for continuous monitoring of temperatures.

The 175T3 temperature measurement logger has dual external thermocouple connections, 1 Type K and 1 Type T, which allows for simultaneous measurements using a wide variety of probes.

Creation of Excel Spreadsheets, PDFs, and data analysis are all easily achieved with the free, downloadable ComSoft software.

The testo 175T3 is an ideal data logger for the continuous monitoring of ambient and product temperatures.

With its customizable alarm, the 175T3 will alert when user defined thresholds have been exceeded.

Please note: The testo 175T3 temperature measurement logger requires an interface to use the free data logger software. One interface can be used for multiple instruments.
  • Professional software with Excel export function for programming the logger and data analysis
  • Temperature measuring range from -50°C to +1000°C
  • Wall mount
  • Automatic measuring data backup when the battery runs out or is changed
  • Transfer of measuring data via SD card
  • Displays violations of limit values
  • Dual external thermocouple probe ports (1 Type T, 1 Type K) compatible with a variety of different probes
  • Data transfer possible using the USB port, or SD card (optional)
  • Easy to read large display that shows current reading and exceeded measurement limits
  • IP65 protection class
  • Capable of CFR 21 Part 11 Compliancy
  • Free data logger software available for download
  • Data is secured within the logger, and can be password protected using ComSoft
  • Includes lockable wall mount to prevent theft or tampering



Delivery Scope

  • Testo 175T2 Temperature Data Logger, Batteries, Wall Mount, Lock, and Certificate of Conformity


  • 4.59 oz. / 130 g


  • 4 x 2 x 1 in. / 89 x 53 x 27 mm

Operating Temperature

  • -4°F to 131°F / -20°C to +55°C


  • Plastic

Protection Class

  • IP65


  • 2 External

Product Colour

  • Black


  • 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 (15 min. meas. rate, +25 °C)


  • 1,000,000 Measuring Values

Storage Temperature

  • -4°F to 131°F / -20°C to +55°C

Temperature - Type K TC

  • Measuring Range: -58°F to 1832°F / -50°C to +1000°C
  • ±0.9°F (-58°F to 158°F) ±1 Digit / ±0.5°C (-50°C to +70°C) ±1 Digit | ±0.7 % of mv (158.2°F to 1832°F) ±1 Digit / ±0.7 % of mv (+70.1°C to +1000°C) ±1 Digit
  • Resolution: 0.1°F / 0.1°C

Temperature - TC Type T (Cu-CuNi)

  • Measuring Range: -58°F to 752°F / -50°C to +400°C
  • ±0.9°F (-58°F to 158°F) ±1 Digit / ±0.5°C (-50°C to +70°C) ±1 Digit | ±0.7 % of mv (158.2°F to 752°F) ±1 Digit / ±0.7 % of mv (+70.1°C to +400°C) ±1 Digit
  • Resolution: 0.1°F / 0.1°C

  • Monitoring the Flow and Return Temperature of Heating Systems
  • Monitoring Process Temperatures
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