Infrared Thermometers

An infrared thermometer infers temperature by measuring the thermal radiation that an object emits. This means that temperatures can be measured at a distance, without having to be in direct contact with the object. This is not only ideal for measuring the temperature of difficult to reach areas, but also means that accurate measurements can be taken of moving parts, or of objects in controlled atmospheres.

The RS Components range of infrared thermometers features high quality models from leading brands such as Fluke and Testo.

How Does an IR Thermometer Work?

Infrared thermometers have a lens that focuses infrared radiation onto a detector which converts it into a readable electronic signal. Because of this, it is possible for nearby objects emitting their own thermal radiation to interfere with the measurement- even the thermal body temperature emitted by the user.

Most non-contact thermometers are able to be calibrated to mitigate interference and customise the device to the application at hand. With adjustable temperature ranges and distance-to-spot ratios, an IR thermometers is a versatile and easy-to-use temperature measurement solution.

Handheld infrared thermometers have a laser for aiming purposes, so you can be sure your non-contact measurement is area accurate.

What Type of IR Thermometer Do I Need?

Non-contact infrared thermometers are typically robust and versatile, with LCD screens that can display either easily discernible numerical values, or more advanced real time heat map overlays. As models have different capabilities when it comes to accuracy and maximum temperatures measured, it is easy to select a IR thermometer that best suits your requirements and budget.

Pocket-size models are available for added convenience, and ATEX models are available for use in hazardous environments.


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Description Price Absolute Maximum Temperature Measurement Temperature Scale Absolute Minimum Temperature Measurement Distance to Spot Ratio Best Accuracy Emissivity Model Number p Resolution Data Storage Response Time Length Width Height Dimensions
RS Stock No. 777-0434
Mfr. Part No.0560 8352
BrandTesto
MYR2,549.44
Each
units
+1500°C Centigrade -10°C 50:1 ±1 %, ±2.0 °C 0.1 → 1 835-T2 0.1 °C, 1 °C Yes - 193mm 166mm 63mm 193 x 166 x 63mm
RS Stock No. 543-875
Mfr. Part No.IR608A
BrandAmprobe
MYR547.32
Each
units
+400°C Centigrade, Fahrenheit -18°C 8:1 ±2 % 0.95 IR608A 0.2 °C - 500 ms 152mm 101mm 38mm 152 x 101 x 38mm
RS Stock No. 764-4414
Mfr. Part No.0563 8315
BrandTesto
MYR829.42
Each
units
+210°C Centigrade -30°C 30:1 ±1.5 °C 0.1 → 1 Set with testo 831 and testo 106 0.1 °C - 0.5 s 38mm 75mm 190mm 38 x 75 x 190mm
RS Stock No. 777-0453
Mfr. Part No.0560 1040
BrandTesto
MYR681.98
Each
units
+250°C Centigrade -30°C 10:1 ±1 °C, ±1.5 %, ±2.0 °C, ±2.5 °C - 104-IR 0.1 °C - - 281mm 48mm 21mm 281 x 48 x 21mm
RS Stock No. 382-901
Mfr. Part No.OPTRIS MS
BrandOptris
MYR602.97
Each
units
+420°C Centigrade, Fahrenheit -32°C 20:1 ±1 % 0.95 optris MS 0.2 °C - 300 ms 190mm 38mm 45mm 190 x 38 x 45mm
RS Stock No. 382-917
Mfr. Part No.OPTRIS MSPRO
BrandOptris
MYR1,584.33
Each
units
+760°C Centigrade, Fahrenheit -32°C 40:1 ±1 % 0.1 → 1.5 optris MS 0.1 °C Yes 300 ms 190mm 38mm 45mm 190 x 38 x 45mm
RS Stock No. 764-4427
Mfr. Part No.0563 8284
BrandTesto
MYR778.65
Each
units
+300°C Centigrade -50°C 6:1 ±1.5 °C 0.1 → 1 testo 826-T4 0.1 °C Yes 0.5 s 19mm 34.4mm 148mm 19 x 34.4 x 148mm
RS Stock No. 136-5408
Mfr. Part No.Fluke 64 MAX
BrandFluke
MYR1,283.04
Each
units
+1112 °F, +600 °C Centigrade, Fahrenheit -30 °C, -22 °F 20:1 ±1 °C 0.1 → 1 Fluke 64 MAX 0.1 °C, 0.2 °F Yes <500 ms 85mm 75mm 175mm 85 x 75 x 175mm
RS Stock No. 507-5633
Mfr. Part No.P01651403Z
MYR1,692.73
Each
units
+1350°C Centigrade, Fahrenheit -40°C - ±1 °C 0.1 1 CA 876 1 °C - 1 s 173mm 60.5mm 38mm 173 x 60.5 x 38mm
RS Stock No. 764-4405
Mfr. Part No.0563 8312
BrandTesto
MYR934.33
Each
units
+400°C Centigrade -30°C 12:1 ±1.5 °C 0.1 → 1 testo 830-T2 Set 0.1 °C Yes 0.5 s 38mm 75mm 190mm 38 x 75 x 190mm
RS Stock No. 382-905
Mfr. Part No.OPTRIS MSPLUS
BrandOptris
MYR857.27
Each
units
+530°C Centigrade, Fahrenheit -32°C 20:1 ±1 % 0.1 → 1.0 optris MS 0.1 °C - 300 ms 190mm 38mm 45mm 190 x 38 x 45mm
RS Stock No. 764-4418
Mfr. Part No.0563 8282
BrandTesto
MYR502.14
Each
units
+300°C Centigrade -50°C 6:1 ±1.5 °C 0.1 → 1 testo 826-T2 0.1 °C Yes 0.5 s 19mm 34.4mm 148mm 19 x 34.4 x 148mm
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Infrared thermometer including belt holder, battery, instruction manual and factory calibration certificate with the measuring points -20 and +80°C. 30:1 distance to spot ratioAdjustable emissivity (0.1 to 1.0)15 hour battery life from 1 PP3 9V batteryIlluminated LCD display.
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