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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Comark P19W Thermocouple Digital Thermometer for Food Industry Use, K Probe, 1 Input(s), +300°C Max, ±0.9 °F Accuracy RS-stocknr.: 288-6357 Fabrikantnummer: P19W Datasheets: € 89,49 Per stuk	Comark	-	+300°C	-	P19W	Thermocouple	K	Food Industry	±0.9 °F	-	1	-	-	-	-	-	-	-	-	-
Testo 104 Digital Thermometer for Food Industry, Multipurpose Use, Penetration Probe, 1 Input(s), +250°C Max, ±0.5 °C RS-stocknr.: 202-0893 Fabrikantnummer: 0563 0104 Datasheets: € 214,50 Per stuk	Testo	-	+250°C	RSCAL	104	-	Penetration	Food Industry, Multipurpose	±0.5 °C	-	1	0.1 °C	265mm	47mm	20mm	265 x 47 x 20mm	-	-	-	Centigrade, Fahrenheit
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), +400°C Max - With RS Calibration RS-stocknr.: 219-7329 Fabrikantnummer: 0563 2915 Datasheets: € 223,50 Per stuk	Testo	-	+400°C	RSCAL	915i	Wireless	K	-	-	-	1	-	-	-	-	-	Bluetooth	-	-	-
Digitron 2106T Wireless Digital Thermometer for Food Industry Use, Type T Thermocouple Probe, 1 Input(s), +400°C Max, RS-stocknr.: 106-688 Fabrikantnummer: 2106T7 Datasheets: € 454,39 Per stuk	Digitron	-	+400°C	UKAS	2106T	Wireless	T	Food Industry	±0.2 °C	-	1	0.1 °C	155mm	67mm	40mm	-	-	-	-	Centigrade, Fahrenheit
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), +400°C Max - With UKAS Calibration RS-stocknr.: 219-7330 Fabrikantnummer: 0563 2915 Datasheets: € 262,50 Per stuk	Testo	-	+400°C	UKAS	915i	Wireless	K	-	-	-	1	-	-	-	-	-	Bluetooth	-	-	-
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), +400°C Max - With UKAS Calibration RS-stocknr.: 219-7324 Fabrikantnummer: 0563 1915 Datasheets: € 257,50 Per stuk	Testo	-	+400°C	UKAS	915i	Wireless	K	-	-	-	1	-	-	-	-	-	Bluetooth	-	-	-
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), +400°C Max - With UKAS Calibration RS-stocknr.: 219-7337 Fabrikantnummer: 0563 3915 Datasheets: € 252,50 Per stuk	Testo	-	+400°C	UKAS	915i	Wireless	K	-	-	-	1	-	-	-	-	-	Bluetooth	-	-	-
Digitron 2024T Wired Digital Thermometer, PT100 Probe, 1 Input(s), +800°C Max, ±0.2% + 0.1 °C Accuracy - With SYS RS-stocknr.: 315-5428 Fabrikantnummer: 2024T Datasheets: € 444,56 Per stuk	Digitron	Minimum/Maximum Recordings	+800°C	SYSCAL	2024T	Wired	PT100	-	±0.2% + 0.1 °C	-	1	0.1 °C	155mm	67mm	40mm	-	-	-	-	Centigrade, Fahrenheit
Testo 104 Digital Thermometer for Food Industry, Multipurpose Use, Penetration Probe, 1 Input(s), +250°C Max, ±0.5 °C RS-stocknr.: 202-0894 Fabrikantnummer: 0563 0104 Datasheets: € 256,00 Per stuk	Testo	-	+250°C	UKAS	104	-	Penetration	Food Industry, Multipurpose	±0.5 °C	-	1	0.1 °C	265mm	47mm	20mm	265 x 47 x 20mm	-	-	-	Centigrade, Fahrenheit
Testo 915i Wireless Digital Thermometer, K Probe, 1 Input(s), +400°C Max - With UKAS Calibration RS-stocknr.: 219-7344 Fabrikantnummer: 0563 4915 Datasheets: € 245,50 Per stuk	Testo	-	+400°C	UKAS	915i	Wireless	K	-	-	-	1	-	-	-	-	-	Bluetooth	-	-	-
Testo 103 Folding Thermometer with Probe, Penetration Probe, +220°C Max, ±0.5 °C Accuracy - With RS Calibration RS-stocknr.: 716-1149 Fabrikantnummer: 0560 0103 Datasheets: € 171,50 Per stuk	Testo	-	+220°C	RSCAL	103	-	Penetration	-	±0.5 °C	-	-	-	116 mm (folded)	35mm	19mm	-	-	-	-	Centigrade, Fahrenheit
SAUERMANN. Probe Digital Thermometer for Multipurpose Use, K Probe, 2 Input(s), +1300°C Max RS-stocknr.: 241-0470 Fabrikantnummer: SI-TT3 Datasheets: € 179,49 Per stuk	SAUERMANN.	-	+1300°C	-	-	Probe	K	Multipurpose	-	-	2	-	-	-	-	-	-	-	-	-
TM Electronics SOLO Wired Digital Thermometer for Food Industry Use, Type K Thermocouple Probe, 1 Input(s), ±0.5 °C RS-stocknr.: 202-0887 Fabrikantnummer: SOLO Datasheets: € 174,05 Per stuk	TM Electronics	-	-	RSCAL	SOLO	Wired	Type K Thermocouple	Food Industry	±0.5 °C	-	1	0.1 °C	160mm	50mm	30mm	160 x 50 x 30mm	-	-	-	Centigrade
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
LKMelectronic DTM3000/1 LCD Digital Thermometer for Multipurpose Use, Immersion Probe, 1 Input(s), +110°C Max, 0.03 °C RS-stocknr.: 274-0273 Fabrikantnummer: DTM3000/1 Datasheets: € 284,74 Per stuk	LKMelectronic	-	+110°C	-	DTM3000/1	LCD	Immersion	Multipurpose	0.03 °C	-	1	-	-	-	-	-	-	-	-	-
Testo 104 Temperature Probe, Penetration Probe, +250°C Max, ±0.5 °C Accuracy - With RS Calibration RS-stocknr.: 716-1159 Fabrikantnummer: 0563 0104 Datasheets: € 214,50 Per stuk	Testo	-	+250°C	RSCAL	104	-	Penetration	-	±0.5 °C	-	-	-	-	-	-	-	-	-	-	-
Testo 635 Wireless Digital Thermometer for Industrial Use, Thermal Probe, 1 Input(s), +150°C Max, ±0.2 °C Accuracy RS-stocknr.: 232-0520 Fabrikantnummer: 0563 6353 Datasheets: € 1.229,00 Per stuk	Testo	-	+150°C	-	635	Wireless	Thermal	Industrial	±0.2 °C	-	1	-	220mm	74mm	46mm	220 x 74 x 46mm	-	-	-	Centigrade
WIKA Thermometer, Thermal Probe, +600°C Max RS-stocknr.: 268-1416 Fabrikantnummer: 48764708 Datasheets: € 485,24 Per stuk	WIKA	-	+600°C	-	-	-	Thermal	-	-	-	-	-	-	-	-	-	-	-	-	-
Digitron 2024T Wired Digital Thermometer, PT100 Probe, 1 Input(s), +800°C Max, ±0.2% + 0.1 °C Accuracy - With UKAS RS-stocknr.: 315-5412 Fabrikantnummer: 2024T Datasheets: € 471,56 Per stuk	Digitron	Minimum/Maximum Recordings	+800°C	UKAS	2024T	Wired	PT100	-	±0.2% + 0.1 °C	-	1	0.1 °C	155mm	67mm	40mm	-	-	-	-	Centigrade, Fahrenheit
Electrotherm DTM-L Wired Digital Thermometer, K Probe, 1 Input(s), +1370°C Max, ±3 % Accuracy - With RS Calibration RS-stocknr.: 192-5826 Fabrikantnummer: DTM-L Datasheets: € 215,73 Per stuk	Electrotherm	-	+1370°C	RSCAL	DTM-L	Wired	K	-	±3 %	-	1	1 °C	123mm	72.5mm	27.5mm	-	-	-	-	Centigrade