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 241 - 260 of 268 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. 411-1053
Mfr. Part No.DTM-L
£84.21
Each
Units
+1370°C - Wired K - ±3 % - 1 1 °C - 123mm 72.5mm 27.5mm -
RS Stock No. 192-5827
Mfr. Part No.DTM-L
£162.29
Each
Units
+1370°C UKAS Wired K - ±3 % - 1 1 °C - 123mm 72.5mm 27.5mm -
RS Stock No. 192-5826
Mfr. Part No.DTM-L
£141.69
Each
Units
+1370°C RSCAL Wired K - ±3 % - 1 1 °C - 123mm 72.5mm 27.5mm -
RS Stock No. 735-6603
Mfr. Part No.1551A-20-DL
BrandFluke
£857.10
Each
Units
+160°C UKAS Wired PT100 Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 735-6606
Mfr. Part No.1551A-20-DL
BrandFluke
£829.10
Each
Units
+160°C RSCAL Wired PT100 Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 735-6505
Mfr. Part No.1551A-20
BrandFluke
£713.10
Each
Units
+160°C UKAS Wired RTD Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 741-4327
Mfr. Part No.1551A-20
BrandFluke
£602.10
Each
Units
+160°C - Wired RTD Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 741-4333
Mfr. Part No.1551A-20-DL
BrandFluke
£746.10
Each
Units
+160°C - Wired PT100 Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 735-6509
Mfr. Part No.1551A-20
BrandFluke
£685.10
Each
Units
+160°C RSCAL Wired RTD Industrial ±0.05 °C - 1 0.001 °C Yes 114mm 57mm 25mm -
RS Stock No. 192-5818
Mfr. Part No.P01654823
£241.55
Each
Units
- UKAS Wired PT100, PT1000 Multipurpose - - 1 0.1 °F, 0.1 °C Yes 150mm 72mm 32mm -
New
RS Stock No. 218-0365
Mfr. Part No.3208/K0234.IS/SDI/1M
BrandDigitron
£400.43
Each
Units
+950°C - Handheld - - - - 1 - - - - - -
New
RS Stock No. 218-0366
Mfr. Part No.DG-IVF-KIT
BrandDigitron
£178.00
Each
Units
+70°C - Handheld - - - - 1 - - - - - -
RS Stock No. 201-2159
Mfr. Part No.0563 0002 31
BrandTesto
£699.00
Each
Units
- - Wired - HVAC - - 1 - - - - - -
RS Stock No. 187-5672
Mfr. Part No.DTM 5081
£191.05
Each
Units
+1120 (Type J) °C, +1300 (Type N) °C, +1370 (Type K) °C, +170 (Ni1000TK6180) °C, +1760 (Type R) °C, +1760 (Type S) °C, +1810 (Type B) °C, +200 (Ni1000TK5000) °C, +2320 (Type C) °C, +250 (Ni100TK6180) °C, +260 (Ni100TK5000) °C, +300 (PT1000/R2K) °C, +400 (Type T) °C, +600 (Type U) °C, +850 (PT100/R380) °C, +850 (Type E) °C, +900 (Type L) °C - Wired - - ±0.02 K, ±0.05 K - 2 0.01 K, 0.1 K Yes 50mm 55mm 16mm -
RS Stock No. 136-8251
Mfr. Part No.P01654822
£165.55
Each
Units
+1200 (J) °C, +1300 (N) °C, +1372 (K) °C, +1742 (E) °F, +1767 (R) °C, +1767 (S) °C, +2192 (J) °F, +2372 (N) °F, +2501 (K) °F, +3212 (R) °F, +3212 (S) °F, +400 (T) °C, +752 (T) °F, +950 (E) °C - Wired E, J, K, N, R, S, T Multipurpose ±(0.1% R + 0.6°C) - 2 0.1 °C, 0.1 °F Yes 150mm 72mm 32mm -
RS Stock No. 187-5662
Mfr. Part No.DTM 4000
£592.26
Each
Units
- - Wired - - - - 1 - - 120mm 80mm 25mm -
RS Stock No. 192-5817
Mfr. Part No.P01654823
£221.55
Each
Units
- RSCAL Wired PT100, PT1000 Multipurpose - - 1 0.1 °F, 0.1 °C Yes 150mm 72mm 32mm -
New
RS Stock No. 218-0367
Mfr. Part No.DG-LG-KIT
BrandDigitron
£255.00
Each
Units
+1350°C - Handheld K Multipurpose - - 1 - - - - - -
RS Stock No. 201-2158
Mfr. Part No.0563 0002 10
BrandTesto
£235.00
Each
Units
- - Wired NTC Bluetooth Communication - - 1 - - - - - -
RS Stock No. 201-2160
Mfr. Part No.0563 0002 41
BrandTesto
£400.00
Each
Units
- - Wired - Bluetooth Communication - - 1 - - - - - -