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Testo 826-T4 Infrared Thermometer incl. TopSafe

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The HACCP certified testo 826-T4 is a 2 in 1 infrared and probe thermometer.

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Product Description

Temperature checks of products and goods pallets are not only mandatory for incoming and outgoing goods, but also for the food manufacturing sector. With the Testo 826-T4 IR & Probe Thermometer you will have a HACCP Certified measuring instrument which easily fulfills the HACCP regulations. 

Product description

What does the Testo 826 T4 IR and Probe Thermometer offer?

If you are reliant on quick, accurate measurement results for food controls in Incoming Goods. The Testo 826-T4 provides quick and fast readings.

Fast, accurate measurement results:

At 2 measurements a second, infrared measurement allows you to scan the surface temperature of your products really fast. And that with an outstanding resolution of 0.1 °C. Should stipulated limit values be reached or exceeded, the permanently attached penetration probe will provide you with absolute certainty. In fact, this enables accurate measurement of the core temperature of food, e.g. yoghurt, cheese, and meat, etc.

Temperature limit values at a glance:

You can set up to two alarm limit values; as soon as these are exceeded or not attained, the HACCP thermometer will inform you by means of a visual and acoustic alarm signal. This means you do not have to look at the display permanently and yet have an eye on the temperature

Min./max. value display and hold function:

The min./max. display shows the highest and lowest values from the last measurement. This allows for safe, reliable monitoring of the product temperature. You can keep the last measured temperature values on the display by using the hold button

6:1 optics and 1 point laser measurement spot marker:

The 1 point laser marks the centre of the object being measured during infrared measurement. The 6:1 optics of the infrared thermometer is suitable for measurements at closer to medium distances.

In every respect HACCP:

The penetration infrared thermometer is HACCP-compliant making it perfect for the food sector. 

Temperature - NTC

Technical data 

Measuring range

-50 to +230 °C


±0.5 °C (-20 to +99.9 °C)
±1 °C or 1 % of mv (Remaining Range)


0.1 °C

Measuring rate

1.25 s

Temperature - Infrared

Technical data 

Measuring range

-50 to +300 °C


±1.5 °C (-20 to +100 °C)
±2 °C or 2 % of mv (Remaining Range)


0.1 °C

Measuring rate

0.5 s


0,1 to 1

Measurement spot marking

1-point laser

Distance to measurment spot


Spectral range 

8 ... 14 μm

General technical data

Technical data 


EN 13485


2 years

Battery type

2 AAA micro batteries

Battery life

Approx. 20 h

Display type


Display size


Storage temperature

-40 to +70 °C


80 g


148 x 34.4 x 19 mm

Operating temperature

-20 to +50 °C

Additional Information

Additional Information

Features Adjustable Emissivity, Laser Pointer, Temperature Alarm
Distance to Spot 6:1


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