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 38 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. 712-1110
Mfr. Part No.FM25
BrandDigitron
£42.17
Each
Units
+40°C - Wired PT100 Multipurpose - - 2 1 °C - - - - -
RS Stock No. 428-095
Mfr. Part No.TM-22
BrandDigitron
£207.32
Each
Units
+1350°C UKAS Wireless K Industrial ±0.2 °C - 2 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 428-269
Mfr. Part No.TM-22
BrandDigitron
£187.32
Each
Units
+1350°C SYSCAL Wireless K Industrial ±0.2 °C - 2 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 460-9803
Mfr. Part No.TM-22
BrandDigitron
£131.32
Each
Units
+1350°C - Wired K Industrial ±0.2 °C - 2 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 428-029
Mfr. Part No.TM-22
BrandDigitron
£187.32
Each
Units
+1350°C RSCAL Wireless K Industrial ±0.2 °C - 2 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 184-5264
Mfr. Part No.3208.ISR
BrandDigitron
£443.22
Each
Units
+950°C SYSCAL Wired K Industrial ±0.2 % - 1 0.1 °C - 140mm 70mm 26mm -
RS Stock No. 431-943
Mfr. Part No.3208.ISR
BrandDigitron
£360.22
Each
Units
+950°C - Handheld K Industrial ±(0.5°C + 0.2%) - 1 0.1 °C - 140mm 70mm 26mm 140 x 70 x 26mm
RS Stock No. 450-944
Mfr. Part No.3208.ISR
BrandDigitron
£471.22
Each
Units
+950°C UKAS Handheld K Industrial ±0.2 % - 1 0.1 °C - 140mm 70mm 26mm -
RS Stock No. 450-950
Mfr. Part No.3208.ISR
BrandDigitron
£416.22
Each
Units
+950°C RSCAL Handheld K Industrial ±0.2 % - 1 0.1 °C - 140mm 70mm 26mm -
RS Stock No. 315-5406
Mfr. Part No.2024T
BrandDigitron
£259.60
Each
Units
+800°C RSCAL Wired PT100 - ±0.2% + 0.1 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 315-5412
Mfr. Part No.2024T
BrandDigitron
£279.60
Each
Units
+800°C UKAS Handheld PT100 - ±0.2% + 0.1 °C - 1 0.1 °C - 155mm 67mm 40mm 155 x 67 x 40mm
RS Stock No. 311-1686
Mfr. Part No.2024T
BrandDigitron
£203.60
Each
Units
+800°C - Wired PT100 - ±0.2% + 0.1 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 315-5428
Mfr. Part No.2024T
BrandDigitron
£259.60
Each
Units
+800°C SYSCAL Wired PT100 - ±0.2% + 0.1 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 711-8877
Mfr. Part No.FM35
BrandDigitron
£206.17
Each
Units
+110°C UKAS Wired - Food Industry ±1 °C - 1 0.1 °C - - - - -
RS Stock No. 712-1104
Mfr. Part No.FM35
BrandDigitron
£95.17
Each
Units
+110°C - Wired - Food Industry ±1 °C - 1 0.1 °C - - - - -
RS Stock No. 711-8868
Mfr. Part No.FM35
BrandDigitron
£178.17
Each
Units
+110°C RSCAL Wired - Food Industry ±1 °C - 1 0.1 °C - - - - -
RS Stock No. 106-688
Mfr. Part No.2106T7
BrandDigitron
£219.36
Each
Units
+400°C UKAS Wireless T Food Industry ±0.2 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 101-453
Mfr. Part No.2106T7
BrandDigitron
£143.36
Each
Units
+400°C - Wireless T Food Industry ±0.2 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 106-672
Mfr. Part No.2106T7
BrandDigitron
£199.36
Each
Units
+400°C RSCAL Wireless T Food Industry ±0.2 °C - 1 0.1 °C - 155mm 67mm 40mm -
RS Stock No. 315-5232
Mfr. Part No.2006T
BrandDigitron
£187.32
Each
Units
+400°C RSCAL Wired T Multipurpose ±0.2 °C - 1 0.1 °C Yes 155mm 67mm 40mm -