Thermocouple, NTC & RTD Input Thermometers

  1. ETI 221-700 Therma 20 Metal Thermometer
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    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
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    221-700
  2. ETI 221-043 Therma 3 Industrial Thermometer
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    5 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
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    221-043
  3. ETI 221-041 Therma 1 Industrial Thermometer
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    4 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
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    221-041
  4. ETI 221-107 Therma 1T Thermometer
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    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
  5. ETI 221-061 Therma Elite Thermometer
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    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
  6. ETI 226-040 Therma 20 High Accuracy Catering Digital Thermometer
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    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
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    226-040
  7. ETI 232-101 Therma Waterproof Thermometer
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    Lead Time: 1-2 Weeks
    ETI 232-101 Therma Waterproof Thermometer
    (no reviews)
    £102.00 £85.00
    • 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
    85 Reward Points
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    232-101
  8. ETI Therma 22 Type T/Thermistor Catering Thermometer
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    ETI Therma 22 Type T/Thermistor Catering Thermometer
    (no reviews)
    £104.40 £87.00
    • Works with both type T thermocouple and thermistor temperature probes
    • High accuracy, reliable temperature measurements
    • Designed for use within the food/catering industry
    87 Reward Points
    Price Match Guarantee
    227-022
  9. ETI 231-022 Therma 2 Channel Differential Thermometer
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    2 In Stock
    ETI 231-022 Therma 2 Channel Differential Thermometer
    (no reviews)
    £108.00 £90.00
    • 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
    90 Reward Points
    Price Match Guarantee
    231-022
  10. ETI ThermaGuard Pharm Vaccine Thermometers with UKAS Certificate - Single or Dual External Sensor
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    ETI ThermaGuard Pharm Vaccine Thermometers with UKAS Certificate - Single or Dual External Sensor
    (no reviews)
    £108.00 £90.00
    • UKAS Calibration Certificates
    • Programmable high & low audible alarms
    • European Standard EN 13485
    90 Reward Points
    Price Match Guarantee
    891-911/2
  11. ETI ThermaGuard Fridge Thermometer with UKAS Certificate - Single or Dual External Sensor
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    ETI ThermaGuard Fridge Thermometer with UKAS Certificate - Single or Dual External Sensor
    (no reviews)
    £114.00 £95.00
    • 2 point (-18, 0°C) UKAS Calibration Certificates
    • Programmable high & low audible alarms
    • Records the max/min temperature
    95 Reward Points
    Price Match Guarantee
    891-511/2
  12. ETI 232-041 Therma 22 Plus Thermometer with Waterproof Case
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    Lead Time: 1-2 Weeks
    ETI 232-041 Therma 22 Plus Thermometer with Waterproof Case
    (1)
    £120.00 £100.00
    • 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
    100 Reward Points
    Price Match Guarantee
    232-041
  13. ETI 860-845 RayTemp 8 Infrared/Type K Thermometer Kit
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    2 In Stock
    ETI 860-845 RayTemp 8 Infrared/Type K Thermometer Kit
    (no reviews)
    £124.20 £103.50
    • Special kit version of ETI's RayTemp 8 thermometer
    • Includes thermometer, penetration probe, probe wipes and carrying case
    • Great value!
    103 Reward Points
    Price Match Guarantee
    860-845
  14. ETI 222-053 Precision PT100 Digital Thermometer
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    ETI 222-053 Precision PT100 Digital Thermometer
    (no reviews)
    £126.00 £105.00
    • Exceptionally high accuracy of ±0.2°C
    • Works with a wide variety of optional PT100 class A temperature probes (sold separately)
    • Temperature measurement range from -199.9 to 499.9°C
    105 Reward Points
    Price Match Guarantee
    222-053
  15.  ETI 221-900 Therma K Metal Thermometer (No Probe)
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    ETI 221-900 Therma K Metal Thermometer (No Probe)
    (no reviews)
    £138.00 £115.00
    • Temperature range: -99.9°C to +1372°C
    • Durable, waterproof, aluminium casing
    • Ideal for everyday catering and food processing applications
    115 Reward Points
    Price Match Guarantee
    221-900
  16. ETI 860-095 HVAC Pipe Clamp Differential Thermometer Kit
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    Lead Time: 1-2 Weeks
    ETI 860-095 HVAC Pipe Clamp Differential Thermometer Kit
    (no reviews)
    £141.60 £118.00
    • Special bundle version of the ETI Therma Differential thermometer
    • Includes 2 x pipe clamp temperature probes + zip pouch
    • High accuracy, reliable results
    118 Reward Points
    Price Match Guarantee
    860-095
  17. ETI 292-921 ThermaQ Blue Dual-Input Thermometer with Bluetooth
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    Lead Time: 1-6 Days
    ETI 292-921 ThermaQ Blue Dual-Input Thermometer with Bluetooth
    (no reviews)
    Call for Pricing
    • Measure temperature from two points simultaneously
    • Connect via Bluetooth to your smartphone/tablet and view results wirelessly
    • Highly accurate with excellent resolution and exceptional battery life
    We require additional information before you purchase this product.
    292-921
  18. ETI 221-091 MicroTherma 1 Thermometer with Automatic Recalibration
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    ETI 221-091 MicroTherma 1 Thermometer with Automatic Recalibration
    (no reviews)
    £162.00 £135.00
    • Exceptionally high accuracy and excellent resolution
    • Universally suitable for use with K, J, T, R, N, S and E thermocouple probes
    • Automatic self-calibration
    135 Reward Points
    Price Match Guarantee
    221-091
  19. ETI 231-052 ThermaQ 2 Four-Channel Thermocouple Thermometer
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    ETI 231-052 ThermaQ 2 Four-Channel Thermocouple Thermometer
    (no reviews)
    £168.00 £140.00
    • View the temperature readings from four thermocouples simultaneously
    • Range: -99.9°C to +1372°C
    • Programmable high and low alarms for each channel
    140 Reward Points
    Price Match Guarantee
    231-052
  20. ETI 860-090 HVAC Differential Thermometer Kit
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    Only 1 In Stock
    ETI 860-090 HVAC Differential Thermometer Kit
    (no reviews)
    £201.60 £168.00
    • Special thermometer kit for HVAC professionals
    • Includes thermometer, pipe clamp probes, penetration probe and carrying case
    • Also includes free traceable certificate of calibration
    168 Reward Points
    Price Match Guarantee
    860-090
  21. ETI 222-051 Precision Plus PT100 Thermometer
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    Lead Time: 1-2 Weeks
    ETI 222-051 Precision Plus PT100 Thermometer
    (no reviews)
    Call for Pricing
    • Exceptionally high accuracy digital thermometer - readings with ±0.05°C
    • Works with interchangeable PT100 temperature probes
    • Measurement range from -199.9 to 199.9°C
    We require additional information before you purchase this product.
    222-051

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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.

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