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 Thermometer Type Probe Type Application Best Accuracy Communication Protocol Number of Temperature Inputs Resolution Data Storage Length Width Height Dimensions Minimum/Maximum Recordings
RS Stock No. 656-5660
BrandRS PRO
MYR35.93
Each
units
+50°C Wireless - Wall/Desk - - 1 - - 111mm 54.5mm 17mm - -
RS Stock No. 123-3216
BrandRS PRO
MYR538.07
Each
units
+1300 °C, +1999 °F Wired K - ±1 K - 2 0.1 °C, 0.2 °F No 74mm 39mm 170mm - Yes
RS Stock No. 123-3218
BrandRS PRO
MYR745.30
Each
units
+1372 °C, +2501 °F Wired J, K - ±0.7 K - 2 0.1 K, 0.1 °C, 0.2 °F Yes 74mm 39mm 170mm - Yes
RS Stock No. 123-3215
BrandRS PRO
MYR441.45
Each
units
+1300 °C, +1999 °F Wireless K - ±0.1 K - 1 0.1 °C, 0.2 °F No 74mm 39mm 170mm - Yes
RS Stock No. 465-9218
BrandRS PRO
MYR132.65
Each
units
+200°C Wired - Multipurpose ±1 °C - 1 1 °C - 290mm 40mm 27mm - Yes
RS Stock No. 123-3217
BrandRS PRO
MYR607.00
Each
units
+1372 °C, +2501 °F Wired J, K - ±0.1 % - 1 0.1 °C, 0.1 K, 0.2 °F Yes 74mm 39mm 170mm - Yes
RS Stock No. 123-2215
BrandRS PRO
MYR252.90
Each
units
+1300 °C, +1999 °F Wired K - 0.3 % ± 1 °C, 0.3 % ± 2 °F - 1 0.1 °C, 0.1 °F Yes 72mm 35mm 150mm - Yes
RS Stock No. 123-2214
BrandRS PRO
MYR970.73
Each
units
+1090 (J) °C, +1300 (N) °C, +1370 (K) °C, +1598 (E) °F, +1767 (R) °C, +1767 (S) °C, +1994 (J) °F, +1999.9 (K) °F, +1999.9 (N) °F, +1999.9 (R) °F, +1999.9 (S) °F, +400 (T) °C, +752 (T) °F, +870 (E) °C Wired E, J, K, N, R, S, T - ±0.05 % - 2 0.1 K Yes 72mm 35mm 150mm - Yes
RS Stock No. 446-4032
BrandRS PRO
MYR1,068.51
Each
units
+1767°C Wired E, J, K, N, R, S, T Industrial ±0.6 °C - 1 0.1 °C - 150mm 118mm 57mm - -
RS Stock No. 446-4048
BrandRS PRO
MYR1,691.12
Each
units
1767°C Wired E, J, K, N, R, S, T - ±0.25 % - 6 0.1 °C - 148mm 67mm 190mm - -
RS Stock No. 136-5671
BrandRS PRO
MYR185.05
Each
units
+200 °C, +392 °F Wired - - ±2 °C, ±4 °F - 1 0.1 ° - - - - - Yes
New
RS Stock No. 204-8412
BrandRS PRO
MYR2,191.19
Each
units
1820°C Wired E, J, K, N, R, S, T HVAC, Industrial ±0.2 °C (±0.1%) - 1 0.1°→1000° Yes 130mm 70mm 33mm - No
RS Stock No. 123-2212
BrandRS PRO
MYR477.86
Each
units
+1090 (J) °C, +1300 (N) °C, +1370 (K) °C, +1598 (E) °F, +1767 (R) °C, +1767 (S) °C, +1994 (J) °F, +1999.9 (K) °F, +1999.9 (N) °F, +1999.9 (R) °F, +1999.9 (S) °F, +400 (T) °C, +752 (T) °F, +870 (E) °C Wired E, J, K, N, R, S, T - ±0.05 % - 2 0.1 K - 72mm 35mm 150mm - Yes
New
RS Stock No. 204-8410
BrandRS PRO
MYR683.67
Each
units
1372°C Wired E, J, K, N, R, S, T HVAC, Industrial ±0.2 °C (±0.1%) - 1 0.1°→1000° No 130mm 70mm 33mm - Yes
New
RS Stock No. 204-8415
BrandRS PRO
MYR685.40
Each
units
1372°C Wired E, J, K, N, R, S, T HVAC, Industrial ±0.2 °C (±0.1%) - 1 0.1°→1000° No 130mm 70mm 33mm - No
RS Stock No. 123-2213
BrandRS PRO
MYR732.40
Each
units
+1090 (J) °C, +1300 (N) °C, +1370 (K) °C, +1598 (E) °F, +1767 (R) °C, +1767 (S) °C, +1994 (J) °F, +1999.9 (K) °F, +1999.9 (N) °F, +1999.9 (R) °F, +1999.9 (S) °F, +400 (T) °C, +752 (T) °F, +870 (E) °C Wired E, J, K, N, R, S, T - ±0.05 % - 1 0.1 K Yes 72mm 35mm 150mm - Yes
New
RS Stock No. 204-8417
BrandRS PRO
MYR1,498.75
Each
units
1372°C Wired E, J, K, N, R, S, T HVAC, Industrial ±0.2 °C (±0.1%) - 2 0.1°→1000° No 130mm 70mm 33mm - No
New
RS Stock No. 204-8416
BrandRS PRO
MYR566.20
Each
units
150°C Wired NTC Food Industry, Medical ±0.2 °C - 1 0.1° No 130mm 70mm 33mm - No
New
RS Stock No. 205-0959
BrandRS PRO
MYR471.67
Each
units
+250°C Wired PT1000 General Purpose -20→+100 °C: ±0.1 K ±1 digit
-70→+250 °C: ±0.2 % of mv ±2 digit
- 1 0.1 °C No 54mm 28mm 108mm - Yes
New
RS Stock No. 204-8409
BrandRS PRO
MYR616.86
Each
units
850°C Wired PT100 Food Industry, Industrial ± 0.05 % - 1 0.1°→1000° No 130mm 70mm 33mm - Yes