Temperature Probes

Temperature probes are used to make measurements of air, liquid or surface temperatures and are available in various forms such as thermocouple, thermistor and PT100 to complement thermometers and temperature data logging instrumentation. The internal sensor of the probe produces a voltage that varies with temperature, this voltage is then read by the connect instrumentation to give a measurement. Temperature probes feature varying lengths of cables and in most cases a plug to offer quick and easy installation. Constructed from stainless steel, temperature probes are heavy duty making them suitable for harsh environments within industrial or commercial settings. All this whilst providing highly accurate and reliable measurements.

What are the types of Temperature Probes

  • Resistive Temperature Detectors (RTD) - An RTD is also known as a resistive temperature detectors, these are highly precise temperature probes that are constructed by highly conductive metals, such as platinum, copper or nickel. Offering a wide range of temperatures, however longevity can be an issue, so will need replacing often.
  • Negative Temperature Coefficient (NTC) thermistor - Temperature thermistors reflect changes in temperature quickly and to a very high accuracy. Often lower in cost, but offer a smaller temperature range.
  • Thermocouples - Thermocouples are the most commonly used temperature probe, this is because of the simplicity, speed of response to the change in temperature. Thermocouples are less stable over time and will need replacing more often. There are many types of thermocouples, all made from different materials which allow for various temperatures. The most common is a Type K thermocouple, which has a temperature range of -180 to 1300 degrees Celsius.

Typical Applications for Temperature Probes

Temperature probes are known for their robust design meaning they are ideal for many general-purpose industrial, commercial and scientific applications where accurate temperature measurement and monitoring are key and essential in ensuring equipment is functioning correctly or accurately measuring during testing and investigations. These sensor probes are often used in the following areas:

  • Air conditioning and refrigeration
  • Chemical industry
  • Plastics processing
  • Stoves and grills
  • Food processing
  • Laboratories

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Description Price Sensor Type Probe Type Probe Tip Type Probe Length Probe Diameter Maximum Temperature Measurement Cable Length Best Accuracy Connector Type Calibrated
RS Stock No. 342-8899
BrandRS PRO
£33.24
Each
Units
Type K Air, General - 100mm 3mm +1100 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 343-0145
BrandRS PRO
£60.74
Each
Units
Type K Air, General - 100mm 3mm +1100 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 202-0863
BrandRS PRO
£67.47
Each
Units
K Surface - 110mm 10mm +300 °C 2m ±0.25 % Miniature Thermocouple Plug SYSCAL
RS Stock No. 342-8956
BrandRS PRO
£39.97
Each
Units
K Surface - 110mm 10mm +300 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 202-0864
BrandRS PRO
£72.97
Each
Units
K General, Surface - 110mm 6mm +600 °C 2m ±0.25 % Miniature Thermocouple Plug SYSCAL
RS Stock No. 342-8962
BrandRS PRO
£45.47
Each
Units
K General, Surface - 110mm 6mm +600 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 343-0224
BrandRS PRO
£64.57
Each
Units
Type K Air, General - 110mm 4mm +750 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 342-8990
BrandRS PRO
£37.07
Each
Units
K Air, General - 110mm 4mm +750 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 342-8978
BrandRS PRO
£63.80
Each
Units
K Surface - 210mm 12mm +1100 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 911-9885
BrandRS PRO
£91.30
Each
Units
Type K Surface - 210mm 12mm +1100 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 343-0173
BrandRS PRO
£57.73
Each
Units
Type K Air, General - 300mm 3mm +1100 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 342-8928
BrandRS PRO
£30.23
Each
Units
Type K Air, General - 300mm 3mm +1100 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 255-550
BrandRS PRO
£109.17
Each
Units
Type K Surface Bow 110mm 60mm +180 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 255-594
BrandRS PRO
£47.33
Each
Units
Type K Air, General - 300mm 1.5mm +1100 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 287-024
BrandRS PRO
£192.17
Each
Units
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RS Stock No. 202-0865
BrandRS PRO
£136.67
Each
Units
K Surface Bow 110mm 60mm +180 °C 2m ±0.25 % Miniature Thermocouple Plug SYSCAL
RS Stock No. 282-990
BrandRS PRO
£74.83
Each
Units
Type K Air, General - 300mm 1.5mm +1100 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 712-8196
BrandRS PRO
£76.53
Each
Units
Type K Immersion, Surface - 110mm 10mm +250 °C 2m ±0.25 % Miniature Thermocouple Plug -
RS Stock No. 712-8896
BrandRS PRO
£104.03
Each
Units
Type K Immersion, Surface - 110mm 10mm +250 °C 2m ±0.25 % Miniature Plug SYSCAL
RS Stock No. 106-9925
BrandRS PRO
£79.17
Each
Units
Type K Air Flat Head 200mm - +450 °C 2m ±0.25 % Miniature Plug SYSCAL