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. Read More about Thermocouple, NTC & RTD Input Thermometers
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124 Products
  1. Comark KX7940 Special Probe Lumberg and Cold Junction
    Comark logo
    Comark KX7940 Special Probe Lumberg and Cold Junction
    (no reviews)
    £19.20 £16.00
    • Special Probe
    • Lumberg and Cold Junction
    16 Reward Points
    Price Match Guarantee
    KX7940
  2. ETI 810-105 LCD Bar Graph Digital Max/Min Thermometer
    ETI logo
    ETI 810-105 LCD Bar Graph Digital Max/Min Thermometer
    (no reviews)
    £20.40 £17.00
    • Simultaneously displays the actual, max, and min temperature
    • Resolution of 1°C/°F or 0.1°C/°F (Max & Min)
    • Large custom LCD
    17 Reward Points
    Price Match Guarantee
    810-105
  3. Comark KM400AP Allergen Pocket Digital Thermometer, Range -50°C to +200°C
    Comark logo
    Lead Time: 1-2 Weeks
    Comark KM400AP Allergen Pocket Digital Thermometer, Range -50°C to +200°C
    (no reviews)
    £26.40 £22.00
    • Temperature Range: -50°C to +200°C / -58°F to +400°F
    • Thin Tip Probe: 1.5mm
    • Accurate to ±1°C (±2°F)
    22 Reward Points
    Price Match Guarantee
    KM400AP
  4. Comark KM221 Economical Food Thermometer
    Comark logo
    Comark KM221 Economical Food Thermometer
    (no reviews)
    £37.20 £31.00
    • Temperature Range: -30°C to +110°C / -22°F to +230°F
    • Scales: °C Only
    • Sensor Type: Thermistor
    31 Reward Points
    Price Match Guarantee
    KM221
  5. ETI 174-16X NTC Thermistor Penetration Temperature Probe – Choice of Cap
    ETI logo
    1 Option in Stock
    ETI 174-16X NTC Thermistor Penetration Temperature Probe – Choice of Cap
    (no reviews)
    £40.80 £34.00
    • Temperature range: -40°C to +150°C
    • Supplied with a heavy-duty, ribbed, polypropylene handle
    • Available with a colour-coded cap of your choice
    34 Reward Points
    Price Match Guarantee
    174-16X
  6. Extech IR267 Mini Infrared Thermometer with Type K Thermocouple Input
    Extech logo
    2 In Stock
    Extech IR267 Mini Infrared Thermometer with Type K Thermocouple Input
    (no reviews)
    £44.70 £37.25
    • Measure infrared temperature, air temperature and temperature using a type K thermocouple
    • Compact, pistol-shaped design
    • Built-in laser pointer
    37 Reward Points
    Price Match Guarantee
    IR267
  7. Comark KM221 Digital Food Thermometer with Calibration Certificate
    Comark logo
    Only 1 In Stock
    Comark KM221 Digital Food Thermometer with Calibration Certificate
    (no reviews)
    £45.60 £38.00
    • Low cost, easy-to-use thermometer for measuring food temperatures
    • High accuracy, reliable measurements
    • Supplied with free standard calibration certificate from the manufacturer
    38 Reward Points
    Price Match Guarantee
    KM221-CAL
  8. ETI 221-700 Therma 20 Metal Thermometer
    ETI logo
    Only 1 In Stock
    ETI 221-700 Therma 20 Metal Thermometer
    (no reviews)
    £59.69 £49.74
    • Temperature range: -39.9°C to +149.9°C
    • Large, easy-to-read LCD
    • IP67-rated, robust extruded aluminium case with Biomaster Antimicrobial technology
    49 Reward Points
    Price Match Guarantee
    221-700
  9. Testo 830-T2 Infrared Thermometer
    Testo logo
    Only 1 In Stock
    Testo 830-T2 Infrared Thermometer
    (1)
    £63.24 £52.70
    • Infrared and probe measurements possible
    • 2 point laser for pinpoint measurements
    • Audible/visual alarms when customisable limits are exceeded
    52 Reward Points
    Price Match Guarantee
    5608312
  10. ETI 221-043 Therma 3 Industrial Thermometer
    ETI logo
    4 In Stock
    ETI 221-043 Therma 3 Industrial Thermometer
    (no reviews)
    £66.00 £55.00
    • Works with optional type K temperature probes (single channel)
    • High accuracy, professional digital thermometer ideal for industrial applications
    • Temperature range from -100 to 1372°C
    55 Reward Points
    Price Match Guarantee
    221-043
  11. TM Electronics CA2005 Thermometer with Hold Function
    TM Electronics logo
    TM Electronics CA2005 Thermometer with Hold Function
    (no reviews)
    £66.00 £55.00
    • High-accuracy
    • Hold Function with dual display
    • IP67 Waterproof Casing
    55 Reward Points
    Price Match Guarantee
    CA2005
  12. TPI 343 Dual Input Digital Thermometer - Type K
    TPI logo
    4 In Stock
    TPI 343 Dual Input Digital Thermometer - Type K
    (no reviews)
    £69.00 £57.50
    • Dual type K inputs
    • MIN/MAX and data hold functions
    • Easy to use
    57 Reward Points
    Price Match Guarantee
    TPI-343
  13. Sauermann Kimo K-Si-TT3 2 Channel Thermometer
    Sauermann / KIMO logo
    Sauermann Kimo K-Si-TT3 2 Channel Thermometer
    (no reviews)
    £71.94 £59.95
    • 2 probes included, measuring range: -40 to 260°C/-40 to 500°F
    • Backlit LCD screen
    • Magnetic backing for easy fixing + Carrying bag
    59 Reward Points
    Price Match Guarantee
    K-Si-TT3
  14. ETI 221-041 Therma 1 Industrial Thermometer
    ETI logo
    3 In Stock
    ETI 221-041 Therma 1 Industrial Thermometer
    (no reviews)
    £72.00 £60.00
    • Compatible with a wide range of optional type K thermocouple temperature probes
    • High accuracy digital thermometer made for industrial applications
    • Temperature range from -99.9°C to 1372°C
    60 Reward Points
    Price Match Guarantee
    221-041
  15. ETI 221-107 Therma 1T Thermometer
    ETI logo
    Lead Time: 1-6 Days
    ETI 221-107 Therma 1T Thermometer
    (no reviews)
    £72.00 £60.00
    • Fast-response thermometer designed for use with type T thermocouple probes
    • Measurement range from -100 to 400°C
    • 2 year guarantee from ETI included
    60 Reward Points
    Price Match Guarantee
    221-107
  16. TM Electronics CA2005-P Chef Thermometer and Needle Probe
    TM Electronics logo
    TM Electronics CA2005-P Chef Thermometer and Needle Probe
    (no reviews)
    £78.00 £65.00
    • Chef's thermometer
    • High accuracy
    • Hold Function with Dual Display
    65 Reward Points
    Price Match Guarantee
    CA2005-P
  17. Comark C42C Food Thermometer
    Comark logo
    Lead Time: 1-2 Weeks
    Comark C42C Food Thermometer
    (no reviews)
    £82.80 £69.00
    • Rugged and Waterproof Case (IP65/67)
    • Temperature Range: -200°C to +400°C (Thermocouple)
    • MAX/MIN and HOLD
    69 Reward Points
    Price Match Guarantee
    C42C
  18. ETI 221-061 Therma Elite Thermometer
    ETI logo
    In Stock
    ETI 221-061 Therma Elite Thermometer
    (1)
    £84.00 £70.00
    • Upgraded version of ETI's Therma 1 thermometer
    • Accepts a wide variety of interchangeable type K probes (sold separately)
    • High accuracy and reliable results
    70 Reward Points
    Price Match Guarantee
    221-061
  19. Comark KM330 Type K Thermocouple Thermometer
    Comark logo
    Only 1 In Stock
    Comark KM330 Type K Thermocouple Thermometer
    (no reviews)
    £85.20 £71.00
    • Works with type K thermocouples
    • Wide measurement range
    • Measure in both Celsius or Fahrenheit
    71 Reward Points
    Price Match Guarantee
    KM330
  20. Martindale DT173 Single Input K-Type Digital Thermometer
    Martindale logo
    Lead Time: 1-6 Days
    Martindale DT173 Single Input K-Type Digital Thermometer
    (no reviews)
    £86.40 £72.00
    • Temperature range: -200°C to +1372°C
    • Selectable measurement units (°C or °F) and MIN/MAX/AVG functions
    • Supplied with a type-K thermocouple bead probe and features a tough casing with an integrated fold-away stand
    72 Reward Points
    Price Match Guarantee
    MARDT173
  21. Extech TM100 Type K/J Single Input Thermometer
    Extech logo
    Lead Time: 1-2 Weeks
    Extech TM100 Type K/J Single Input Thermometer
    (no reviews)
    £87.00 £72.50
    • High temperature range
    • Supplied with 9V battery and Type K bead wire temperature probe
    • Backlit LCD display
    72 Reward Points
    Price Match Guarantee
    TM100
  22. ETI 226-040 Therma 20 High Accuracy Catering Digital Thermometer
    ETI logo
    Lead Time: 1-2 Weeks
    ETI 226-040 Therma 20 High Accuracy Catering Digital Thermometer
    (no reviews)
    £87.60 £73.00
    • High accuracy penetration temperature probe for use in catering
    • Interchangeable thermistor temperature probe
    • Meets European Standard EN13485
    73 Reward Points
    Price Match Guarantee
    226-040
  23. Extech EA11A EasyView Type K Thermometer with 150 Record Memory
    Extech logo
    Only 1 In Stock
    Extech EA11A EasyView Type K Thermometer with 150 Record Memory
    (no reviews)
    £90.00 £75.00
    • Accuracy of ±0.3%
    • Measure from -50 degrees Celsius to 1300 degrees Celsius
    • Store up to 150 temperature readings
    75 Reward Points
    Price Match Guarantee
    EA11A
  24. Beha-Amprobe TMD-50 Dual-Input Type K Thermocouple Thermometer
    Beha-Amprobe logo
    Only 1 In Stock
    Beha-Amprobe TMD-50 Dual-Input Type K Thermocouple Thermometer
    (no reviews)
    £93.24 £77.70
    • Measure temperature levels from two points simultaneously
    • Compatible with type K temperature probes
    • Highly accurate results (0.1%)
    77 Reward Points
    Price Match Guarantee
    3730150

Showing 1 - 24 of 124 products

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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.