KX

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NiCr-NiSi (Type K) thermocouple finds the widest use in all basemetal thermocouple, at temperature above 500 °C.

Type K thermocouple has strong resistance to oxidation than other base metal thermocouples. It has high EMF against Platinum 67, excellent temperature accuracy, sensitivity and stability, with a low cost. It is recommended for oxidizing or inert atmospheres, but cannot be used directly in the following cases:

  1. Alternatively oxidizing and reducing atmosphere.
  2. Atmosphere with sulphur gases.
  3. Long time in vacuum.
  4. Low oxidizing atmosphere such as hydrogen and carbon monoxide atmosphere.

Detailed Parameter

Diameter/mm Long time Working temperature /ºC Short period Working temperature /ºC
0.3 700 800
0.5 800 900
0.8,1.0 900 1000
1.2,1.6 1000 1100
2.0,2.5 1100 1200
3.2 1200 1300

Application:

  1. Heating - Gas burners for ovens
  2. Cooling - Freezers
  3. Engine protection - Temperatures and surface temperatures
  4. High temperature control - Iron casting