Eurolec can provide a wide range of Testo measurement instruments including Probe & IR Thermometers, Temperature and %RH loggers.

Where calibration is required, we can also provide a range of Temperature Calibrator Sources, ideal for verification and ensuring that your measurements are accurate and reliable.


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Testo Temperature Measurement Instruments

  • Testo 104 Waterproof Folding Thermometer
  • Testo 104-IR Infrared/Penetration Food Thermometer
  • Testo 106 Pentration Thermometer
  • Testo 174H Temperature and Relative Humidity Logger
  • Testo 174T SET Temperature Datalogger Kit
  • Testo 175-H1 Humidity / Temperature Datalogger
  • Testo 175-T1 Temperature Datalogger
  • Testo 175-T3 2 Channel Temperature Datalogger
  • Testo 826-T2 Infrared Thermometer With Laser
  • Testo 826-T4 Infrared & Probe Thermometer With Laser
  • USB Comsoft / USB Logger Software
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Testo 174H4

The tables below outline the performance details details these products, allowing you to choose the most appropriate version for your application.


Testo Thermometers - 104, 104-IR & 106

Testo 104 Waterproof Folding Thermometer

A robust metal folding joint, a rubber-coated anti-slip surface, a long and precise temperature sensor - and waterproof into the bargain! The testo 104 food probe thermometer comes with a whole host of practical features and benefits for use in the food industry.

  • Ideal for use with food: HACCP compliant, EN 13485 certified
  • Can be cleaned under running water – IP65 rated
  • Practical folding mechanism with rugged metal joint; easy and ready to use
  • Automatic final value recognition (auto-hold); min/max memory for all hold/auto-hold readings
Testo 174H4

Testo 104-IR Infrared/Penetration Food Thermometer

Incoming food, food on display, food in storage: the testo 104-IR infrared probe thermometer allows you to carry out quick and reliable temperature and food safety checks in the course of your busy working day. Ideal for use in the food sector, restaurants and the retail industry.

  • For carrying out surface and core temperature measurements
  • With integrated probe and infrared laser
  • Durable and practical: rugged folding joint, waterproof housing (IP65), fits snugly in any pocket
  • HACCP / EN 13485 compliant
Testo 174H4

Testo 106 Penetration Food Thermometer

Practical for fast, safe temperature measurements in food controls: with the compact, handy testo 106 food thermometer you will be well equipped to measure the core temperature of products in industrial kitchens, restaurant chains, supermarkets, or while food is in transit.

  • For fast, accurate measurement of core temperatures (e.g. in food controls)
  • Combined with the TopSafe protective case (can be ordered separately), the testo 106 is an EN 13485 certified and HACCP-compliant thermometer
  • Visual and acoustic alarm when the limit value is exceeded (limit value can be set individually)
  • Fine measuring tip with a 2.2 mm diameter: puncture holes are barely discernible
Testo 174H4
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Specification Testo 104 Testo 104-IR Testo 106
Type Waterproof Folding Thermometer Infrared/Penetration Food Thermometer Penetration Food Thermometer
Measurement Range -50 to +250 °C -50 to +250 °C NTC
-30 to +250 °C IR
-50 to +275°C
Accuracy ±1.0 °C (-50 to -30.1°C),±0.5 °C (-30 to +99.9°C), ±1.0 °C (-50 to -30.1°C),±0.5 °C (-30 to +99.9°C) NTC
±2.5 °C (-30 to -20.1°C),±2.0 °C (-20 to -0.1°C)
±1.5°C of mv (Remaining range) IR
±1.0 °C (-50 to -30.1°C),±0.5 °C (-30 to +99.9°C),
Resolution 0.1 °C 0.1 °C 0.1 °C

Testo Temperature Loggers - 175T1, 175T3 & 175H1

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 and reliably.

  • Ideal for long-term measurements. Can save up to 1 000 000 readings. Battery life up to 3 years
  • Wall mountable
  • HACCP and EN 12830 compliant, IP 65 protected
  • Data analysis on PC: three software options to choose from; Basic software as free download
Testo 174H4

Testo 175 T3 - Temperature data logger

The Testo 175 T3 temperature logger with its two connections for external thermocouple probes is a good idea when you would like to record your temperatures at two locations in parallel: for example when measuring the flow and return temperature on radiators.

  • Practical for frequent and long-term measurements: memory capacity of 1 million readings, up to 3 years’ battery life
  • Very large temperature measuring range from -50 °C to +1000 °C
  • Including wall bracket
  • Measurement data analysis and documentation: three different software versions to choose from, basic software available as a free download
Testo 174H4

Testo 175 H1 - 2 channel data logger

Saving energy, archiving, storing goods, creating a comfortable indoor climate – if you can’t analyze the temperature and humidity, you won’t get optimal results. The testo 175 H1 is designed to carry out reliable long-term measurements and log these crucial values for you.

  • Round-the-clock monitoring and logging of temperature, relative humidity and dew point
  • Super-size memory for long-term measurements and up to 1 million readings, battery life 3 years
  • Shorter reaction times and accurate measurements with external humidity sensor
  • Free software download (ComSoft Basic)
Testo 174H4
Production information
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Specification Testo 175 T1 Testo 175 T3 Testo 175 H1
Type Temperature data logger Temperature logger 2 Channel Data Logger
Measurement Range -35 to +55 °C -50 to +1000 °C TC Type K (NiCr-Ni)
-50 to +400 °C TC Type T (Cu-CuNi)
Temperature -20 to +55 °C
Humidity 0 to 100 %RH Non-Condensing
Memory 1000000 samples 1000000 samples 1000000 samples
IP Rating IP 65 IP 65 IP 54/td>
Battery Life 3 years (15 min. meas. rate, +25 °C) 3 years at 15 min. meas. rate 3 years at 15 min. meas. rate
Accuracy ±0.5 °C (-35 to +55 °C) ±0.5 °C (-50 to +70 °C), ±0.7 % of mv (+70.1 to +1000 °C) TC Type K (NiCr-Ni)
±0.5 °C (-50 to +70 °C), ±0.7 % of mv (70.1 to +1000 °C) TC Type T (Cu-CuNi)
NTC Temperature ±0.4 °C (-20 to +55 °C)
Humidity ±2 %RH (2 to 98 %RH) at +25 °C
Resolution 0.1 °C 0.1 °C Temperature 0.1 °C
Humidity 0.1%

Testo Mini Data Loggers - 174H & 174T

Testo 174H Mini Data Logger

Compact, accurate, reliable: the testo 174H mini data logger measures and logs the air temperature and relative humidity in storage rooms and offices 24/7/365.

  • Memory for up to 16000 temperature and humidity measurements
  • Longlife humidity sensor for reliable and accurate measurements
  • Easy data transfer via USB cable, practical data analysis and logging on PC
  • Free software download (ComSoft Basic)
Testo 174H4

Testo 174T Mini Data Logger

The Testo 174T mini temperature data logger is ideal for continuous monitoring of storage temperature, for example of food or pharmaceutical products. It is also suitable for temperature control in refrigerators or cold stores.

  • Measurement data memory for 16 000 temperature readings, approx. 500 days of battery life
  • High data integrity, even with an empty battery
  • Waterproof according to IP 65, HACCP-compliant and certified according to EN 12830
  • Data analysis: three possible software versions to choose from, basic software available as a free download
Testo 174H4
Production information
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Specification Testo 174H Testo 174T
Type Mini Data Logger Mini Data Logger
Measurement Range -20 to +70°C -30 to +70°C
Memory 16000 samples 16000 samples
IP Rating IP 20 IP 65
Battery Life 1 year @ 15min samples, +25°C 500 days @ 15min samples, +25°C
Accuracy ±0.5 °C (-20 to +70°C) ±0.5 °C (-30 to +70°C)
Resolution 0.1 °C 0.1 °C

Testo Temperature IR Thermometers - 826-T2 & 826-T4

Testo 826-T2 (with TopSafe) Infrared thermometer

Temperature checks are mandatory for ensuring the quality of foodstuffs in Incoming Goods and in food production. Use the testo 826-T2 infrared thermometer to measure the temperature of your products and goods pallets in a non-destructive manner, all in a matter of seconds.

  • Infrared thermometer measures the temperature without any contact and therefore in a non-destructive manner
  • 6:1 optics and 1-point laser measurement spot marking
  • Limit value monitoring with min./max. function, visual and acoustic alarm if limit values are exceeded
  • In conjunction with the protective case TopSafe, the instrument is certified according to EN 13485 (TopSafe is included in the delivery)
Testo 174H4

Testo 826-T4 Infrared Thermometer with Laser Sighting and Penetration Probe

The Testo 826-T4 penetration infrared thermometer allows quick temperature scans by means of infrared measurement without damaging the products. If temperature limit values are exceeded, the permanently attached penetration probe can be used to take accurate core temperature measurements

  • Infrared and core temperature measurements in one measuring instrument
  • Infrared thermometer with 6:1 optics and 1 point laser measurement spot marker
  • Easy limit value monitoring with the min./max. function; immediate alarm when limit values are exceeded
  • Watertight and robust thanks to the TopSafe protective case (in scope of delivery)
Testo 174H4
Production information
Download product datasheets & user manuals
Specification Testo 826-T2 (with TopSafe) Testo 826-T4
Type Infrared thermometer Infrared Thermometer with Laser Sighting and Penetration Probe
Measurement Range -50 to +300 °C -50 to +230 °C
Accuracy NTC ±0.5 °C (-20 to +99.9 °C)
±1 °C or 1 % of mv (Remaining Range)
Accuracy IR ±1.5 °C (-20 to +100 °C)
±2 °C or 2 % of mv (Remaining Range)
±1.5 °C (-20 to +100 °C)
±2 °C or 2 % of mv (Remaining Range)
Resolution 0.1 °C 0.1 °C
Battery Life Approx. 20 h Approx. 20 h

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