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

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Extech TM55 LCD Digital Thermometer for Food Industry, Medical Use, +250°C Max, ± 0.5 °C Accuracy RS 제품 번호 100-032 제조사 부품 번호 TM55 개당 ₩62,214.84 주문수량	Extech	-	+250°C	-	TM55	LCD	-	Food Industry, Medical	± 0.5 °C	-	-	-	-	-	-	-	-	-	-	-
Extech SDL200-NIST Digital Thermometer for Temperature measurement Use, E, J, K, R, RTD, S, T Probe, 6 Input(s), RS 제품 번호 288-0419 제조사 부품 번호 SDL200-NIST 개당 ₩1,116,223.68 주문수량	Extech	-	+3092°F	-	SDL200-NIST	Digital	E, J, K, R, RTD, S, T	Temperature measurement	±0.4 %	-	6	-	-	-	-	-	-	-	-	-
Testo 905-T2 Wireless Digital Thermometer for Industrial Use, K Probe, 1 Input(s), +350°C Max, ±1 °C Accuracy RS 제품 번호 227-832 제조사 부품 번호 0560 9056 개당 ₩171,512.40 주문수량	Testo	-	+350°C	-	905-T2	Wireless	K	Industrial	±1 °C	-	1	0.1 °C	228.6mm	38.1mm	35.6mm	-	-	-	-	Centigrade, Fahrenheit
Martindale DT175 Thermocouple Temperature Logging Digital Thermometer for Industrial Use, K Probe, 2 Input(s), +1372°C RS 제품 번호 267-7924 제조사 부품 번호 DT175 개당 ₩219,976.92 주문수량	Martindale	-	+1372°C	-	DT175	Thermocouple Temperature Logging	K	Industrial	±0.1 %	-	2	-	-	-	-	-	-	-	-	-
Comark KM20REF Digital Thermometer for Food Industry Use, +199.9°C Max, ±0.2 °C Accuracy RS 제품 번호 288-6355 제조사 부품 번호 KM20REF 개당 ₩1,006,536.96 주문수량	Comark	-	+199.9°C	-	KM20REF	-	-	Food Industry	±0.2 °C	-	-	-	-	-	-	-	-	-	-	-
Testo 104 Probe Temperature Probe for Food Industry Use, Penetration Probe, 1 Input(s), +250°C Max, ±0.5 °C Accuracy RS 제품 번호 720-3770 제조사 부품 번호 0563 0104 개당 ₩206,215.32 주문수량	Testo	-	+250°C	-	104	Probe	Penetration	Food Industry	±0.5 °C	-	1	0.1 °C	265mm	47mm	20mm	265 x 47 x 20mm	-	-	-	Centigrade, Fahrenheit
Testo 105 Wireless Digital Thermometer for Food Industry Use, Immersion, Penetration Probe, 1 Input(s), +275°C Max, ±1 RS 제품 번호 232-0506 제조사 부품 번호 0563 1054 개당 ₩305,727.48 주문수량	Testo	Minimum/Maximum Recordings	+275°C	-	105	Wireless	Immersion, Penetration	Food Industry	±1 % of mv (212.2° → 527 °F) / ±1 % of mv (+100.1 → +275 °C)	-	1	-	145mm	38mm	195mm	145 x 38 x 195mm	-	-	-	Centigrade
Extech EA15-NIST Handheld Thermometer for Temperature measurement Use, E, J, K, N, R, S, T Probe, 2 Input(s), +1999.9°F RS 제품 번호 288-0261 제조사 부품 번호 EA15-NIST 개당 ₩944,166.08 주문수량	Extech	-	+1999.9°F	-	EA15-NIST	Handheld	E, J, K, N, R, S, T	Temperature measurement	±0.05 %	-	2	-	-	-	-	-	-	-	-	-
SAUERMANN. Probe Digital Thermometer for Multipurpose Use, K Probe, 2 Input(s), +1300°C Max RS 제품 번호 241-0470 제조사 부품 번호 SI-TT3 개당 ₩355,113.20 주문수량	SAUERMANN.	-	+1300°C	-	-	Probe	K	Multipurpose	-	-	2	-	-	-	-	-	-	-	-	-
Testo 0615 1912 Surface Temperature Probe for Temperature measurement Use, NTC Probe, +150°C Max, ±0.2 °C Accuracy RS 제품 번호 354-249 제조사 부품 번호 0615 1912 개당 ₩159,888.36 주문수량	Testo	-	+150°C	-	0615 1912	Surface	NTC	Temperature measurement	±0.2 °C	-	-	-	-	-	-	-	-	-	-	-
Testo Mini surface Wired Digital Thermometer for Multipurpose Use, NTC Probe, 1 Input(s), +300°C Max, ±1 °C Accuracy RS 제품 번호 699-7294 제조사 부품 번호 0560 1109 개당 ₩72,357.44 주문수량	Testo	-	+300°C	-	Mini surface	Wired	NTC	Multipurpose	±2 °C	-	1	0.1 °C	145mm	45mm	25mm	145 x 45 x 25mm	-	-	-	Centigrade
Hanna Instruments HI 145 Wired Digital Thermometer, for Food Industry, Industrial Use RS 제품 번호 442-7695 제조사 부품 번호 HI-145-00 개당 ₩128,159.60 주문수량	Hanna Instruments	-	+220°C	-	-	Wired	-	Food Industry, Industrial	±0.3 °C	-	1	0.1 °C	-	-	-	-	-	-	-	Centigrade, Fahrenheit