testo 176 T4 – logger with display for 4 external sensors

External thermocouple sensors with display

  • -200... +1 000°C
  • Large display with measured values and logger status
  • Thermocouples type K, T or J can be connected.

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testo 176 T4 – four channels, external thermocouple sensors with display

The testo 176 T4 is comparable to the 176 T3 logger, the difference being that the T4 has a display and a metal/plastic instrument housing. testo 176 T4 is a temperature logger with four channels for external thermocouple sensors type K, T or J. Very large selection of sensors to choose from. The data logger is suitable for monitoring, troubleshooting and calibration in industrial processes, combustion plants, and HVAC installations. For example, suitable for the verification of autoclaves and sterilizers.

Technical features and practical benefits

  • -200… +1 000°C
  • Large display with measured values and logger status
  • Flexible through 4 external thermocouple sensors
  • Thermocouple type K, T or J
  • Logging interval 1 s…. 24 h freely adjustable
  • Robust metal housing protects against shocks and impacts
  • Memory for 2 million measurements

Advanced measurement techniques. High data security.

You can choose external thermocouple sensors from our wide range of sensors and order them to be delivered together with the data logger. This gives you flexibility and means you can decide exactly what your temperature logger needs to be able to do. The range we offer includes surface sensors, air sensors and dip/insert sensors and wire sensors. The measurement range and accuracy depends on the selected thermocouple sensors. In principle, it is possible to measure from -200°C to +1000°C with a suitable sensor.

The temperature logger display gives you a wide range of valuable information including current readings, exceeded limits, min/max values and remaining battery power. As all this information is directly on the display, there is no need to boot up your computer. In addition to these valuable features, the logger also has a super large data memory that can store up to 1 million measurements and an exceptionally long battery life of up to 8 years. This gives you the freedom to read out measurement data at longer intervals even when measurement cycles are shorter. The AA battery (3.6V) supplied is user replaceable. You can rely on a high level of data security when using the testo 176 T4 temperature logger. Saved measurement data is not lost even if the battery is empty or replaced.

Programming and reading the logger is done via a standard USB connection. Alternatively, this can be done via an SD memory card, directly at the measurement site without dismantling the logger.

Programming the logger and analyzing the measurement data

Choose one of three software versions to program or read out your logger or to analyze the measurement data you have transferred to your computer:

  • The ComSoft Basic software – available for free download – allows you to program your logger and analyze the measurement data quickly and easily.
  • The optional ComSoft Professional software gives you additional possibilities and a more detailed analysis of the measurement values.
  • ComSoft CFR 21 Part 11 software – optional – ideal for the specific requirements of the pharmaceutical sector in accordance with 21 CFR Part 11.

Included in delivery

Data logger testo 176 T4 with connection for four external thermocouple sensors, including wall mount, lock, batteries and factory protocol. ATTENTION! To program the data logger you need a USB cable which is not included in the delivery but can be ordered under the accessories tab. The measurement data can be transferred to the computer via the USB cable or to an optional SD card.

Fabriksprotokoll: utfärdas på fabriken efter en kontroll av att produkten fungerar och uppfyller angiven mätnoggrannhet. Läs om skillnaden mellan fabriksprotokoll och ackrediterad kalibrering.

Download the ComSoft Basic PC software for free on the “Download” tab above.

ProbesThermocouple type K, T or J
Number of channels4 channels (external sensors)
Measurement range-200 °C ... +1000 °C (type K)
-200 °C ... +400 °C (type T)
-100 °C ... +750 °C (type J)
Resolution0.1 °C
Accuracy ±0.3 °C (-100 ... +70 °C)
±1% of the measured value (-200 ... -100 °C)
±0.5% of the measured value (+70... +1000 °C)
Memory2 million measurement values
Log interval1 s...24 h (freely selectable)
Operating temperature-20 °C ... +70 °C
Storage temp-40 °C ... +85 °C
Battery 1 lithium battery AA 3.6 V
Battery life8 years (at log interval 15 min)
Dimensions103x38x18.5 mm
Weight129 g
Protection classIP 65
PC connectionUSB (standard to mini B)
Guarantee2 years
SoftwareComSoft Basic 5
ComSoft Professional 4
ComSoft CFR 21 Part 11

Thermocouple probes type K

Thermocouple probes type T

Datablad testo 174-175-176
Manual till Comsoft Basic

Läs manualen noggrant före installation av programvaran.

ComSoft Basic 5 SP5 V6.3 (för dataloggrarna testo 174, 175, 176, 177)

Om du redan har en äldre version av ComSoft Basic 5 installerad på din dator, bör du avinstallera den först. Starta sedan nedladdningen av den aktuella ComSoft Basic 5 genom att klicka på knappen.


I de flesta Windows-versioner laddas filer ned till en mapp med namnet ”Hämtade filer” eller ”Download”. Flytta den nedladdade ZIP-filen till C:/temp eller direkt till C:/ och packa upp den. Högerklicka sedan på EXE-filen och välj ”Kör som administratör”. Då påbörjas installationen atuomatiskt. När allt är klart ska det ha skapats en Testo-mapp i startmenyn, där du hittar den nya programikonen.

Skriv din fråga i det här fältet.

Similar products

testo 176 T3 – temperature logger for 4 external sensors

For external thermocouple sensors type K, T and J

  • -200... +1 000°C
  • Flexible through 4 external thermocouple sensors
  • Logging interval 1 s.... 24 h freely adjustable