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 121 products
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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. 123-3215
BrandRS PRO
HK$840.60
Each
units
+1300 °C, +1999 °F Handheld K - ±0.1 K - 1 0.1 °C, 0.2 °F No 74mm 39mm 170mm - Yes
RS Stock No. 353-4455
Mfr. Part No.FLUKE-52-2
BrandFluke
HK$2,651.60
Each
units
+1372°C Wired E, J, K, T Industrial ±0.05 % - 2 0.1 °C Yes 173mm 86mm 38mm - Yes
RS Stock No. 123-3216
BrandRS PRO
HK$1,025.38
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. 465-9218
BrandRS PRO
HK$254.49
Each
units
+200°C Wired - Multipurpose ±1 °C - 1 1 °C - 290mm 40mm 27mm - Yes
RS Stock No. 311-1692
Mfr. Part No.2022T
BrandDigitron
HK$2,323.81
Each
units
+1350°C - K HVAC, Industrial ±0.5 % - 2 0.1 °C - - - - - Yes
RS Stock No. 123-3217
BrandRS PRO
HK$1,210.09
Each
units
+1372 °C, +2501 °F Wired J, K - ±0.1 % - 1 0.1 K, 0.1 °C, 0.2 °F Yes 74mm 39mm 170mm - Yes
RS Stock No. 431-943
Mfr. Part No.3208.ISR
BrandDigitron
HK$4,520.37
Each
units
+950°C Handheld K Industrial ±0.2 % - 1 0.1 °C - 140mm 70mm 26mm 140 x 70 x 26mm -
RS Stock No. 736-1501
Mfr. Part No.3621081
BrandFluke
HK$3,692.63
Each
units
+1767°C Wired E, J, K, N, R, S, T Industrial ±0.05 % - 2 0.1 °C Yes 173mm 86mm 38mm - Yes
RS Stock No. 311-1686
Mfr. Part No.2024T
BrandDigitron
HK$2,555.21
Each
units
+800°C Wired PT100 - ±0.2% + 0.1 °C - 1 0.1 °C - 155mm 67mm 40mm - Yes
RS Stock No. 712-1110
Mfr. Part No.FM25
BrandDigitron
HK$536.60
Each
units
+40°C Wired PT100 Multipurpose - - 2 1 °C - - - - - Yes
RS Stock No. 846-4705
Mfr. Part No.HI98501
HK$527.05
Each
units
+150°C Wired - Cooking), Education, Food (Storage, Laboratory, Manufacturing, Transportation ±0.3 K - 1 0.1 °C - 50mm 25mm 66mm - -
RS Stock No. 846-4708
Mfr. Part No.HI98509
HK$790.25
Each
units
+150°C Wired NTC Cooking), Education, Food (Storage, Laboratory, Manufacturing, Transportation ±0.3 K - 1 0.1 °C - 58mm 19mm 106mm - -
RS Stock No. 365-6268
Mfr. Part No.EMT 1900
BrandLascar
HK$255.55
Each
units
+220°C Wired NTC Laboratory ±1 °C - 1 0.5 °C - 44mm 21mm 5.5mm - -
RS Stock No. 227-848
Mfr. Part No.0560 9055
BrandTesto
HK$719.32
Each
units
+350°C Wireless K - ±1 °C - 1 0.1 °C - 254mm 38.1mm 35.6mm - -
RS Stock No. 913-2620
Mfr. Part No.0563 1557
BrandTesto
HK$4,762.84
Each
units
+150°C Wired NTC Transport ±0.5 °C - 2 0.1 °C - 279.4mm 133.4mm 76.2mm - -
RS Stock No. 736-1507
Mfr. Part No.3621096
BrandFluke
HK$3,285.36
Each
units
+1767°C Wired E, J, K, N, R, S, T Industrial ±0.05 % - 1 0.1 °C Yes 173mm 86mm 38mm - Yes
RS Stock No. 913-2626
Mfr. Part No.0563 1550
BrandTesto
HK$3,523.28
Each
units
+150°C Wired NTC Industrial ±0.5 °C - 2 0.1 °C - 200mm 109mm 63mm - -
RS Stock No. 512-0288
Mfr. Part No.0560 9250
BrandTesto
HK$1,246.69
Each
units
+1000°C Wired K - ±0.5 °C - 1 0.1 °C - 177.8mm 63.5mm 40.6mm - Yes
RS Stock No. 699-7294
Mfr. Part No.0560 1109
BrandTesto
HK$326.98
Each
units
+300°C Wired NTC Multipurpose ±2 °C - 1 0.1 °C - - - - - -
RS Stock No. 255-522
BrandRS PRO
HK$2,760.76
Each
units
1372°C Handheld T HVAC, Industrial ±0.2 °C - 1 0.1°→1000° No 130mm 70mm - - -