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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 IR267 Mini Infrared Thermometer with Type K Thermocouple Input
In Stock : Get It Next Working Day*
Extech IR267 Mini Infrared Thermometer with Type K Thermocouple Input
£35.00
£42.00 inc. vat
  • Measure infrared temperature, air temperature and temperature using a type K thermocouple
  • Compact, pistol-shaped design
  • Built-in laser pointer
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Extech TM100 Type K/J Single Input Thermometer
Stock Due : Estimated 1-2 Weeks
Extech TM100 Type K/J Single Input Thermometer
£72.50
£87.00 inc. vat
  • High temperature range
  • Supplied with 9V battery and Type K bead wire temperature probe
  • Backlit LCD display
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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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Extech 421502 Type J/K Dual Input Thermometer with Alarm
Stock Due : Estimated 1-2 Weeks
Extech 421502 Type J/K Dual Input Thermometer with Alarm
£128.50
£154.20 inc. vat
  • Audible 'High/Low' temperature alarms
  • -4 to 482 degree F testing
  • Stand and protective holster included
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Extech 42570 Dual Laser Infrared Thermometer
Extech 42570 Dual Laser Infrared Thermometer
£379.00
£454.80 inc. vat
  • High precision infrared thermometer
  • Distance to spot ratio of 50:1
  • Huge temperature range: -50 to 2200°C
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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.