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Thermocouple, NTC & RTD Input Thermometers

Digital thermometers are the quickest and most accurate way to determine temperature. We stock a wide variety of different thermometer types including food thermometers, outdoor-use and multi-channel thermocouple instruments.

Find out more about Thermocouple, NTC & RTD Input Thermometers below.

Extech EA11A EasyView Type K Thermometer with 150 Record Memory
In Stock : Get It Next Working Day*
Extech EA11A EasyView Type K Thermometer with 150 Record Memory
£75.00
£90.00 inc. vat
  • Accuracy of ±0.3%
  • Measure from -50 degrees Celsius to 1300 degrees Celsius
  • Store up to 150 temperature readings
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Martindale DT85 Dual-Input Digital Thermometer
Martindale DT85 Dual-Input Digital Thermometer
£79.00
£94.80 inc. vat
  • Measure temperature from two points simultaneously
  • Huge measurement range
  • Includes two type K thermocouples
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Martindale DT175 Dual Input K Type Digital Thermometer
In Stock : Get It Next Working Day*
Martindale DT175 Dual Input K Type Digital Thermometer
£79.50
£95.40 inc. vat
  • -200°C to 1372°C measurement range
  • 3 1/2 digit LCD screen
  • Supplied with two K-Type bead thermocouples
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Testo 925 Single Channel Thermometer
In Stock : Get It Next Working Day*
Testo 925 Single Channel Thermometer
£83.42
£100.10 inc. vat
  • Single channel temperature input
  • Continuously displays MAX/MIN values
  • Compact design
  • Testo Smart App connection
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Testo 830-T4 Infrared Thermometer
Stock Due : Estimated 1-2 Weeks
Testo 830-T4 Infrared Thermometer
£84.15
£100.98 inc. vat
  • Infrared surface temperature measurements
  • Type K surface probe temperature measurements
  • 2 point laser and 30:1 lens
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TPI 384a High Temperature Infrared Thermometer
In Stock : Get It Next Working Day*
TPI 384a High Temperature Infrared Thermometer
£85.00
£102.00 inc. vat
  • Pistol-shaped design
  • Extremely wide temperature range
  • Integrated laser pointer
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Offer
Beha-Amprobe TMD-50 Dual-Input Type K Thermocouple Thermometer Beha-Amprobe TMD-50 Dual-Input Type K Thermocouple Thermometer
In Stock : Get It Next Working Day*
Beha-Amprobe TMD-50 Dual-Input Type K Thermocouple Thermometer
£85.29
£102.35 inc. vat
  • Measure temperature levels from two points simultaneously
  • Compatible with type K temperature probes
  • Highly accurate results (0.1%)
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ETI Therma 22 Type T/Thermistor Catering Thermometer
Stock Due : Estimated 1-2 Weeks
ETI Therma 22 Type T/Thermistor Catering Thermometer
£87.00
£104.40 inc. vat
  • Works with both type T thermocouple and thermistor temperature probes
  • High accuracy, reliable temperature measurements
  • Designed for use within the food/catering industry
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TM Electronics MM Wall Kit, MM2000, Wall Mount Holder - Optional Flat Food Probe
TM Electronics MM Wall Kit, MM2000, Wall Mount Holder - Optional Flat Food Probe
£88.00
£105.60 inc. vat
  • Digital handheld thermometer
  • IP67 waterproof
  • Optional Flat Food Probe
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TM Electronics MM2000 Single Input Thermocouple Handheld Thermometer
In Stock : Get It Next Working Day*
TM Electronics MM2000 Single Input Thermocouple Handheld Thermometer
£88.00
£105.60 inc. vat
  • Single Input
  • Accurate
  • Waterproof
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TM Electronics MM2008 Legionella Thermometer with Integral Water Temp Timer
In Stock : Get It Next Working Day*
TM Electronics MM2008 Legionella Thermometer with Integral Water Temp Timer
£88.00
£105.60 inc. vat
  • Single Input
  • Integral timer
  • Waterproof
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TM Electronics MM2040 Thermistor Thermometer
TM Electronics MM2040 Thermistor Thermometer
£88.00
£105.60 inc. vat
  • Single Input
  • Very high accuracy
  • IP67 Waterproof Casing
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Testo 926 - Channel Thermometer
Stock Due : Estimated 1-2 Weeks
Testo 926 - Channel Thermometer
Discontinued
  • Specially designed for use in the food industry
  • Compatible with both wired and wireless probes
  • Versatile measurement range depending on equipped probe
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DiLog DL7101 Digital Thermometer
In Stock : Get It Next Working Day*
DiLog DL7101 Digital Thermometer
£90.00
£108.00 inc. vat
  • Handheld digital thermometer
  • -58 to 2000°F and -50 to 1300°C temperature ranges
  • Comes with a 9V battery and two K-Type temperature probes
  • Single and differential temperature measurements
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ETI 232-101 Therma Waterproof Thermometer
In Stock : Get It Next Working Day*
ETI 232-101 Therma Waterproof Thermometer
£90.00
£108.00 inc. vat
  • Robust, fully waterproof digital thermometer rated to IP66 and IP67
  • Suitable for use with a wide variety of interchangeable type K temperature probes
  • Temperature measurement range from -99.9 to 1372°C
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Testo 108-1 Waterproof Food Thermometer
Testo 108-1 Waterproof Food Thermometer
£93.50
£112.20 inc. vat
  • For use with food
  • Compatible with type T and type K probes
  • Wide measurement range
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ETI 231-022 Therma 2 Channel Differential Thermometer
In Stock : Get It Next Working Day*
ETI 231-022 Therma 2 Channel Differential Thermometer
£94.00
£112.80 inc. vat
  • High precision digital thermometer with two input ports
  • Works with a wide variety of type K temperature probes (sold separately)
  • Waterproof design rated to IP66 and IP67
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ETI ThermaGuard Pharm Vaccine Thermometers with UKAS Certificate - Single or Dual External Sensor
ETI ThermaGuard Pharm Vaccine Thermometers with UKAS Certificate - Single or Dual External Sensor
£95.00
£114.00 inc. vat
  • UKAS Calibration Certificates
  • Programmable high & low audible alarms
  • European Standard EN 13485
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Comark KM340/P/KIT KM340 Thermometer Kit
Stock Due : Estimated 1-2 Weeks
Comark KM340/P/KIT KM340 Thermometer Kit
£99.65
£119.58 inc. vat
  • Temperature Range: -50°C to +1300°C / -58°F to +1999°F
  • Sub-Miniature Connector
  • Contains: KM340 Thermometer, SK21M and AK28M Probes and Case
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ETI 232-041 Therma 22 Plus Thermometer with Waterproof Case
Stock Due : Estimated 1-2 Weeks
ETI 232-041 Therma 22 Plus Thermometer with Waterproof Case
£100.00
£120.00 inc. vat
  • Upgraded version of the Therma 22 thermometer with waterproof case
  • Universally suitable for use with thermistor/Type T thermocouple probes (sold separately)
  • Ideal for measuring temperatures in food processing applications
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ETI ThermaGuard Fridge Thermometer with UKAS Certificate - Single or Dual External Sensor
ETI ThermaGuard Fridge Thermometer with UKAS Certificate - Single or Dual External Sensor
£101.00
£121.20 inc. vat
  • 2 point (-18, 0°C) UKAS Calibration Certificates
  • Programmable high & low audible alarms
  • Records the max/min temperature
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TM Electronics CA2005-PKW Food Kit with Thermometer, 6 x Probes and Wall Holder
TM Electronics CA2005-PKW Food Kit with Thermometer, 6 x Probes and Wall Holder
£101.00
£121.20 inc. vat
  • Wall Mount Unit
  • Colour Coded Probes
  • Chef's Thermometer with Hold Function
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Testo 110 1-Channel NTC Digital Thermometer
Testo 110 1-Channel NTC Digital Thermometer
£101.15
£121.38 inc. vat
  • Suitable for use outside and in refrigerated buildings and rooms
  • Programmable upper and lower limits with an audible alarm
  • Testo Smart App connection
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Comark KM330/P/KIT Industrial Thermometer Kit
In Stock : Get It Next Working Day*
Comark KM330/P/KIT Industrial Thermometer Kit
£103.50
£124.20 inc. vat
  • Includes thermometer, air probe and surface probe plus a carrying case
  • High accuracy measurements
  • Type K thermometer
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About Thermocouple, NTC & RTD Input Thermometers

Many thermometers originally had slightly inaccurate, analogue gauges that used mercury and other substances. These have been gradually phased out thanks to innovations in the field of digital temperature measurement.

Digital thermometers are significantly more accurate than older-style thermometers due to their ability to accurately display temperature in Celsius, Fahrenheit, and Kelvin as a digital reading. This is essential for those who need accurate temperature readings in challenging environments are for installations that rely on accurate set-up data.

Devices for measuring temperature generally come in many different forms, and although they all come under the category of digital thermometers they all are used for different kinds of temperature measurement.

We have a versatile range that features pocket-sized models and many, especially the data-loggers, with PC-interfacing ability. Some models are also capable of working in extreme temperatures, allowing accurate temperature readings in potentially hazardous environments. Supermarkets in particular will find great use in a data-logging thermometer with audible alarms, as these devices will provide a clear indication when freezers are not working at the correct temperature.