Model NO.: K type
Material: Nickel,Chromium
Trademark: XL
Specification: 0.20-10mm
HS Code: 7505220000
Product Type: Wire
Carbon Content: Low Carbon
Transport Package: Coils, DIN Plastic Spool, Carton & Wooden Case
Origin: Jiangsu
K Type
Thermocouple Wire NiCr-NiSi (Type K)
Thermocouple finds the widest use in all basemetal thermocouple, at temperature above 500 °C.The main chemical composition of positive leg NiCr (KP) are Ni≈90% and Cr≈10%; negative leg NiSi (KN) are Ni≈97% and Cr≈3%. The operating temperature range is -200~1300°C(for short term) and 0~1100°C( for long term) .
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
Type K Temperature Range:
Thermocouple grade wire, -200~1300ºC(for short term) and 0~1100ºC( for long term)
Extension wire, 32 to 392F (0 to 200C)
Type K Accuracy :
Standard: +/- 1.5C or +/-0.4%t
Working temperature:
Diameter/mm | Long time Working | Short period Working |
temperature/°C | temperature/°C |
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 |
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Product Categories : Thermocouple Wire