20AWG Type K Nicr/Nial Thermocouple Wire High Silica Insualated 800 Degree

• Type: Thermocouple Wire
• Conductor Type: Stranded
• Application: Heating
• Conductor Material: Nichrome Wire
• Sheath Material: Silica
• Insulation Material: Silica
• Model NO.: K-SV-SV-1/0.8mm
• Material Shape: Round Wire
• Certification: ISO9001
• Brand: Ohmalloy
• Material: Chromel/Alumel
• Insulation: High Silica
• Jacket: High Silica
• Conductor Diameter: 0.12mm to 1.5mm
• Measuring Temperature Tolerance: + / - 1.1 ºC to + / - 0.4%
• Color: Positive Pole Yellow, Negative Pole Red,
• Transport Package: Roll/Spool
• Trademark: OHMALLOY
• Origin: China(Shanghai)
• Production Capacity: 50 Tons Per Month

Product Description

Conductor material:

material	Chemical composition (%)
	Ni	Al	Cr	Si	Mn
KP(Nickel chrome)	90		10
KN(Nickel aluminum)	95	1-2		1-2	0.5-1.5

 

Conductor structure

Conductor diameter:	0.8mm
Insulation material:	high silica800ºC
Insulation thickness:	0.3mm
Sheath material:	high silica800ºC
Sheath thickness:	0.4mm
Section size:	2.8mmX3.7mm
Each meter weighs:	2.0kg/100meter

 

Thermocouple variety and index

Long-term max standing temperature	800ºC
Short-term max standing temperature	1200ºC

 

EMF Value range at different temperature

Material	EMF value Vs Pt(μV)
	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
KP(Chromel)	2816~2896	5938~6018	9298~9378	12729~12821	16156~16266	19532~19676
KN(Alumel)	1218~1262	2140~2180	2849~2893	3600~3644	4403~4463	5271~5331

 

EMF value Vs Pt(μV)
700ºC	800ºC	900ºC	1000ºC	1100ºC
22845~22999	26064~26246	29223~29411	32313~32525	35336~35548
6167~6247	7080~7160	7959~8059	8807~8907	9617~9737

Type K Extension Cable Chromel / Alumel Material FEP insulation

Type K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.

 

Thermocouple variety and index

Thermocouple Variety and Index
Variety	Type	Measurement Range(°C)
NiCr-NiSi	K	-200-1300
NiCr-CuNi	E	-200-900
Fe-CuNi	J	-40-750
Cu-CuNi	T	-200-350
NiCrSi-NiSi	N	-200-1300
NiCr-AuFe0.07	NiCr-AuFe0.07	-270-0