Digital Thermometers

A digital thermometer is a scientific instrument used to measure temperature. Digital thermometers use a probe to take the temperature and a numerical reading is clearly displayed on an LCD screen. They produce accurate readings and usually display the results in one decimal place. This makes them a popular choice as they tend to be more precise than liquid type thermometers.

RS Components offer an extensive range of high-quality digital instruments from leading brands including Fluke, Testo, Digitron, Hanna Instruments, Comark and of course RS PRO.

We also offer an excellent in-house calibration service if required. See here for more details about our calibration services

How does a digital thermometer work?

A digital thermometer uses internal sensors that produce resistance, voltage or current change when there is a change in temperature. There are 3 main types which are RTD, thermistor or thermocouple.

Digital thermometer types

Hand-Held thermometers are portable battery-operated devices with additional plugin probes. Probes can vary in type depending on the application. Popular probe types for handheld thermometers include insertion, surface or air probes.

Bench thermometers are used in laboratories and test stations. They are larger and more industrial than handheld units. Bench thermometers typically use thermocouple probes such as type K, J, N, R and T.

Panel and wall mount thermometers are permanently fixed. They are used for continuous and low maintenance applications.

Fridge and freezer thermometers are used to indicate the temperature in industrial and commercial fridges and freezers. Temperature regulation must be monitored and maintained as a rise in temperature readings could spoil goods

What are the applications for Digital Thermometers?

  • Food industry
  • Hygiene testing
  • Industrial maintenance
  • Heating & ventilation
  • Scientific research
  • Medical testing
  • General-purpose temperature monitoring

For more information please see our digital thermometers guide


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Viewing 1 - 20 of 39 products
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Description Price Absolute Maximum Temperature Measurement Calibrated Thermometer Type Probe Type Application Best Accuracy Communication Protocol Number of Temperature Inputs Resolution Data Storage Length Width Height Dimensions
RS Stock No. 913-2626
Mfr. Part No.0563 1550
BrandTesto
kr 3 200,00
Each
Units
+150°C - Wired NTC Industrial ±0.5 °C - 2 0.1 °C - 200mm 109mm 63mm -
RS Stock No. 518-5263
Mfr. Part No.0560 9221
BrandTesto
kr 2 166,54
Each
Units
+1000°C UKAS Wired K HVAC ±0.7 °C - 2 0.1 °C - 182mm 64mm 40mm -
RS Stock No. 518-5257
Mfr. Part No.0560 9221
BrandTesto
kr 1 956,54
Each
Units
+1000°C RSCAL Wired K HVAC ±0.7 °C - 2 0.1 °C - 182mm 64mm 40mm -
RS Stock No. 512-0272
Mfr. Part No.0560 9221
BrandTesto
kr 1 391,54
Each
Units
+1000°C - Handheld K HVAC ±0.7 °C - 2 0.1 °C - 182mm 64mm 40mm 182 x 64 x 40mm
RS Stock No. 333-880
Mfr. Part No.0560 9221
BrandTesto
kr 1 956,54
Each
Units
+1000°C SYSCAL Wireless K HVAC ±0.7 °C - 2 0.1 °C - 182mm 64mm 40mm -
RS Stock No. 512-0266
Mfr. Part No.0560 7207
BrandTesto
kr 1 826,40
Each
Units
+800°C - Wired NTC, PT100 Industrial, Laboratory ±0.2 °C - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 518-5184
Mfr. Part No.0560 7207
BrandTesto
kr 2 391,40
Each
Units
+800°C SYSCAL Wired NTC, PT100, RTD Industrial, Laboratory ±0.9 °F - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 536-6204
Mfr. Part No.0560 7351
BrandTesto
kr 3 489,72
Each
Units
+1760°C - Wired PT100 - ±0.2 °C - 3 0.05 °C Yes 220mm 73.9mm 46mm -
RS Stock No. 518-5156
Mfr. Part No.0560 7207
BrandTesto
kr 2 391,40
Each
Units
+800°C RSCAL Wired NTC, PT100, RTD Industrial, Laboratory ±0.9 °F - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 512-0250
Mfr. Part No.0560 1108
BrandTesto
kr 1 108,88
Each
Units
+150°C - Wired CTN Multipurpose ±0.2 °C - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 227-832
Mfr. Part No.0560 9056
BrandTesto
kr 956,68
Each
Units
+350°C - Wireless K Industrial ±1 K - 1 0.1 °C - 228.6mm 38.1mm 35.6mm -
RS Stock No. 192-5808
Mfr. Part No.0560 7351
BrandTesto
kr 4 054,72
Each
Units
+1760°C RSCAL Wired PT100 - 0.2 % - 3 0.05 °C Yes 220mm 73.9mm 46mm -
RS Stock No. 913-2620
Mfr. Part No.0563 1557
BrandTesto
kr 4 750,80
Each
Units
+150°C - Wired NTC Transport ±0.5 °C - 2 0.1 °C - 279.4mm 133.4mm 76.2mm -
RS Stock No. 518-5162
Mfr. Part No.0560 7207
BrandTesto
kr 2 601,40
Each
Units
+800°C UKAS Wired NTC, PT100, RTD Industrial, Laboratory ±0.9 °F - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 192-5810
Mfr. Part No.0560 7351
BrandTesto
kr 4 264,72
Each
Units
+1760°C UKAS Wired PT100 - 0.2 % - 3 0.05 °C Yes 220mm 73.9mm 46mm -
RS Stock No. 427-418
Mfr. Part No.0560 9055
BrandTesto
kr 1 869,51
Each
Units
+350°C UKAS Wireless K - ±1 °C - 1 0.1 °C - 254mm 38.1mm 35.6mm -
RS Stock No. 620-9758
Mfr. Part No.0563 1063
BrandTesto
kr 554,44
Each
Units
+275°C - Wired - Food Industry, Multipurpose ±0.5 °C - 1 0.1 °C - 215mm 34mm 19mm -
RS Stock No. 333-868
Mfr. Part No.0560 9250
BrandTesto
kr 1 565,17
Each
Units
+1000°C SYSCAL Wireless K - ±0.5 °C - 1 0.1 °C - 177.8mm 63.5mm 40.6mm -
RS Stock No. 512-0288
Mfr. Part No.0560 9250
BrandTesto
kr 1 000,17
Each
Units
+1000°C - Wired K - ±0.5 K - 1 0.1 °C - 177.8mm 63.5mm 40.6mm -
RS Stock No. 891-9167
Mfr. Part No.0563 2750
BrandTesto
kr 4 218,10
Each
Units
+200°C - Wired - Kitchen Appliance ±1.5 °C - 1 0.1 °C - 50mm 170mm 300mm -