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 offers 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. The digital display shows the temperature reading in a clear and precise format, making it easy for users to interpret the results.

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.

Digital Thermometers can help support a healthy building by improving Thermal Health

340 Producten voor Digital Thermometers

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Extech Digital Thermometer, E, J, K, R, RTD, S, T Probe, 4 Input(s), +1700°C Max, ±0.4 % Accuracy RS-stocknr.: 287-2390 Fabrikantnummer: SDL200 Datasheets: € 379,00 Per stuk	Extech	-	+1700°C	-	-	Digital	E, J, K, R, RTD, S, T	-	±0.4 %	-	4	-	-	-	-	-	-	-	-	-
Extech 42545-NIST Handheld Thermometer for Temperature measurement Use, +1832°F Max, ±2 % Accuracy RS-stocknr.: 288-0184 Fabrikantnummer: 42545-NIST Datasheets: € 439,00 Per stuk	Extech	-	+1832°F	-	42545-NIST	Handheld	-	Temperature measurement	±2 %	-	-	-	-	-	-	-	-	-	-	-
Digitron 2024T Wired Digital Thermometer, PT100 Probe, 1 Input(s), +800°C Max, ±0.2% + 0.1 °C Accuracy RS-stocknr.: 311-1686 Fabrikantnummer: 2024T- RTD Datasheets: € 366,56 Per stuk	Digitron	Minimum/Maximum Recordings	+800°C	-	2024T	Wired	PT100	-	±0.2% + 0.1 °C	-	1	0.1 °C	155mm	67mm	40mm	-	-	-	-	Centigrade, Fahrenheit
Crest Medical 30THERM LCD Digital Thermometer for Medical Use, RTD Temperature Probe Probe, +42°C Max, ±0.0 °C Accuracy RS-stocknr.: 269-6460 Fabrikantnummer: 30THERM3 Datasheets: € 3,78 Per stuk	Crest Medical	-	+42°C	-	30THERM	LCD	RTD Temperature Probe	Medical	±0.0 °C	-	-	-	-	-	-	-	-	-	-	-
Chauvin Arnoux TK 2002 Handheld Digital Thermometer for Multipurpose Use, K Probe, 2 Input(s), +1000°C Max RS-stocknr.: 229-8963 Fabrikantnummer: P01653110 Datasheets: € 200,00 Per stuk	Chauvin Arnoux	-	+1000°C	-	TK 2002	Handheld	K	Multipurpose	-	-	2	-	-	-	-	-	-	-	-	-
Hanna Instruments HI 935002 Wired Digital Thermometer for Laboratory Use, K Probe, 2 Input(s), +1350°C Max, ±0.2 % RS-stocknr.: 810-5853 Fabrikantnummer: HI 935002 Datasheets: € 265,88 Per stuk	Hanna Instruments	Data Storage,Minimum/Maximum Recordings	+1350°C	RSCAL	HI 935002	Wired	K	Laboratory	±0.2 %	-	2	0.1 °C	150mm	80mm	36mm	-	-	-	-	Centigrade, Fahrenheit
Hanna Instruments HI 935002 Wired Digital Thermometer for Laboratory Use, K Probe, 2 Input(s), +1350°C Max, ±0.2 % RS-stocknr.: 810-5866 Fabrikantnummer: HI 935002 Datasheets: € 265,88 Per stuk	Hanna Instruments	Data Storage,Minimum/Maximum Recordings	+1350°C	SYSCAL	HI 935002	Wired	K	Laboratory	±0.2 %	-	2	0.1 °C	150mm	80mm	36mm	-	-	-	-	Centigrade, Fahrenheit
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), ±1.0 °C Accuracy RS-stocknr.: 219-2279 Fabrikantnummer: 0563 2915 Datasheets: € 111,00 Per stuk	Testo	-	-	-	915i	Wireless	K	-	±1.0 °C	-	1	0.1 °C	-	-	-	-	Bluetooth	-	-	Centigrade
Hanna Instruments Probe Digital Thermometer for Food Industry Use, General Purpose Probe, +300°C Max - Factory RS-stocknr.: 256-9824 Fabrikantnummer: HI-151 Datasheets: € 121,37 Per stuk	Hanna Instruments	-	+300°C	Factory Calibrated	-	Probe	General Purpose	Food Industry	-	-	-	-	-	-	-	-	-	-	-	-
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), ±1 °C Accuracy RS-stocknr.: 219-2281 Fabrikantnummer: 0563 3915 Datasheets: € 101,00 Per stuk	Testo	-	-	-	915i	Wireless	K	-	±1 °C	-	1	0.1 °C	-	-	-	129 x 31 x 31mm	Bluetooth	-	-	Centigrade
Kane KM330 Wired Digital Thermometer, K Probe, 1 Input(s), +1300°C Max, ±0.2 % Accuracy - With UKAS Calibration RS-stocknr.: 198-5845 Fabrikantnummer: KM330 Datasheets: € 192,96 Per stuk	Kane	Data Storage,Minimum/Maximum Recordings	+1300°C	UKAS	KM330	Wired	K	-	±0.2 %	-	1	0.1 °C	-	-	-	-	-	-	-	Centigrade, Fahrenheit
Hanna Instruments HI 935002 Wired Digital Thermometer for Laboratory Use, K Probe, 2 Input(s), +1350°C Max, ±0.2 % RS-stocknr.: 810-5857 Fabrikantnummer: HI 935002 Datasheets: € 292,88 Per stuk	Hanna Instruments	Data Storage,Minimum/Maximum Recordings	+1350°C	UKAS	HI 935002	Wired	K	Laboratory	±0.2 %	-	2	0.1 °C	150mm	80mm	36mm	-	-	-	-	Centigrade, Fahrenheit
Digitron FM35 Wired Digital Thermometer for Food Industry Use, 1 Input(s), +110°C Max, ±1 °C Accuracy RS-stocknr.: 712-1104 Fabrikantnummer: FM35 Datasheets: € 131,18 Per stuk	Digitron	-	+110°C	-	FM35	Wired	-	Food Industry	±1 °C	-	1	0.1 °C	-	-	-	-	-	-	-	Centigrade, Fahrenheit
Testo Mini Alarm Probe Digital Thermometer, Penetration Probe, 1 Input(s), ±1 °C Accuracy RS-stocknr.: 223-4924 Fabrikantnummer: 0900 0530 Datasheets: € 53,00 Per stuk	Testo	-	-	-	Mini Alarm	Probe	Penetration	-	±1 °C	-	1	0.1 °C	100mm	64mm	18mm	100 x 64 x 18mm	-	-	-	Centigrade
Extech TM100-NIST Handheld Thermometer for Temperature measurement Use, J, K Probe, 1 Input(s), +1372°C Max, ±0.15 % RS-stocknr.: 288-0441 Fabrikantnummer: TM100-NIST Datasheets: € 237,00 Per stuk	Extech	-	+1372°C	-	TM100-NIST	Handheld	J, K	Temperature measurement	±0.15 %	-	1	-	-	-	-	-	-	-	-	-
Hanna Instruments HI 98509 Wired Digital Thermometer for Education, Food (Storage, Transportation, Manufacturing, RS-stocknr.: 911-9469 Fabrikantnummer: HI-98509 Datasheets: € 214,13 Per stuk	Hanna Instruments	-	+150°C	UKAS	HI 98509	Wired	NTC	Education, Food (Storage, Transportation, Manufacturing, Cooking), Laboratory	±0.3 (-20 → +90 °C) °C, ±0.5 (Out Side) °C	-	1	0.1 °C	58mm	19mm	106mm	-	-	-	-	Centigrade, Fahrenheit
Hanna Instruments HI 98509 Wired Digital Thermometer for Education, Food (Storage, Transportation, Manufacturing, RS-stocknr.: 911-9465 Fabrikantnummer: HI-98509 Datasheets: € 172,63 Per stuk	Hanna Instruments	-	+150°C	RSCAL	HI 98509	Wired	NTC	Education, Food (Storage, Transportation, Manufacturing, Cooking), Laboratory	±0.3 (-20 → +90 °C) °C, ±0.5 (Out Side) °C	-	1	0.1 °C	58mm	19mm	106mm	-	-	-	-	Centigrade, Fahrenheit
Fluke 51 Wired Digital Thermometer for Industrial Use, E, J, K, T Probe, 1 Input(s), +1372°C Max, ±0.05 % Accuracy - RS-stocknr.: 358-8193 Fabrikantnummer: 1281142 Datasheets: € 393,52 Per stuk	Fluke	Minimum/Maximum Recordings	+1372°C	SYSCAL	51	Wired	E, J, K, T	Industrial	±0.05 %	-	1	0.1 °C	173mm	86mm	38mm	173 x 86 x 38mm	-	-	-	Centigrade, Fahrenheit
SKF Probe Digital Thermometer for Multipurpose Use, K Probe, ±0.5 % Accuracy RS-stocknr.: 248-1182 Fabrikantnummer: TKDT 10 Datasheets: € 403,49 Per stuk	SKF	-	-	-	-	Probe	K	Multipurpose	±0.5 %	-	-	0.1	160mm	63mm	30mm	160 x 63 x 30mm	-	-	-	Centigrade, Fahrenheit, Kelvin
Comark BT125 Pocket Digital Thermometer for Health Care, Pharmaceutical Use, +125°C Max, ±1 °C Accuracy - With RS RS-stocknr.: 288-6681 Fabrikantnummer: BT125 Datasheets: € 363,75 Per stuk	Comark	-	+125°C	RSCAL	BT125	Pocket	-	Health Care, Pharmaceutical	±1 °C	-	-	-	-	-	-	-	-	-	-	-