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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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. 811-1350
Mfr. Part No.FLK-T3000 FC
BrandFluke
£168.00
Each
Units
+1372°C - Wireless K Industrial ±0.5 K - 1 0.1 °C - 165mm 63.5mm 35.6mm -
RS Stock No. 810-9161
Mfr. Part No.FLK-T3000 FC
BrandFluke
£244.00
Each
Units
+1372°C UKAS Wired K Industrial ±0.5% + 0.3 °C - 1 0.1 °C - 165mm 63.5mm 35.6mm -
RS Stock No. 227-832
Mfr. Part No.0560 9056
BrandTesto
£79.00
Each
Units
+350°C - Wireless K Industrial ±1 K - 1 0.1 °C - 228.6mm 38.1mm 35.6mm -
RS Stock No. 699-7294
Mfr. Part No.0560 1109
BrandTesto
£27.00
Each
Units
+300°C - Wired NTC Multipurpose ±1 °C - 1 0.1 °C - - - - -
RS Stock No. 699-2245
Mfr. Part No.0560 1109
BrandTesto
£110.00
Each
Units
+300°C RSCAL Wired NTC Multipurpose ±2 °C - 1 0.1 °C - - - - -
RS Stock No. 512-0250
Mfr. Part No.0560 1108
BrandTesto
£92.00
Each
Units
+150°C - Wired CTN Multipurpose ±0.2 °C - 1 0.1 °C Yes 182mm 64mm 40mm -
RS Stock No. 198-5873
Mfr. Part No.KM340
BrandComark
£167.06
Each
Units
+1300°C RSCAL Differential K - ±0.2 % - 2 1 °C Yes - - - -
RS Stock No. 198-5643
Mfr. Part No.KM340
BrandComark
£111.06
Each
Units
+1300°C - Wired K - ±0.2 % - 2 1 °C No - - - -
RS Stock No. 198-5851
Mfr. Part No.KM340
BrandComark
£187.06
Each
Units
+1300°C UKAS Wired K - ±0.2 % - 2 1 °C Yes - - - -
RS Stock No. 198-7778
Mfr. Part No.KM340
BrandComark
£167.06
Each
Units
+1300°C SYSCAL Wired K - ±0.2 % - 2 1 °C Yes - - - -
RS Stock No. 911-9475
Mfr. Part No.HI98501 NEW
£127.00
Each
Units
+150°C RSCAL Wired - Education, Food (Storage, Transportation, Manufacturing, Cooking), Laboratory ±0.3 (-20 → +90 °C) °C, ±0.5 (Out Side) °C - 1 0.1 °C - 50mm 25mm 66mm -
RS Stock No. 911-9484
Mfr. Part No.HI98501 NEW
£157.00
Each
Units
+150°C UKAS Wired - Education, Food (Storage, Transportation, Manufacturing, Cooking), Laboratory ±0.3 (-20 → +90 °C) °C, ±0.5 (Out Side) °C - 1 0.1 °C - 50mm 25mm 66mm -
RS Stock No. 846-4705
Mfr. Part No.HI98501
£42.00
Each
Units
+150°C - Wired - Education, Food (Storage, Transportation, Manufacturing, Cooking), Laboratory ±0.3 K - 1 0.1 °C - 50mm 25mm 66mm -
RS Stock No. 509-0907
Mfr. Part No.TL 310
BrandEliwell
£33.02
Each
Units
+70°C - Wired - Industrial ±0.5% - 1 1 °C - 62mm 30mm 19mm -
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. 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. 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. 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 -