character-istics | general | composition | temperature range | suitable application | unsuitable application |
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thermo-couples | |||||
type E | base metal thermocoupleNiCr -CuNi (nickel-chrome/copper-nickel) single wires made of non precious metals | EP-leg: 89-90% nickel, 9-9,5% chrome, 0,5% silicium and iron balance: C, Mn, Nb, Co EN-leg: 55% copper, 45% nickel approx. 0,1%, co balt, iron and manganese | -200°C/+700°C |
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type J | base metal thermocoupleFe - CuNi (iron/copper-nickel) single wires made of non precious metals | JP-leg: 99,5 % iron, approx. 0,25 % manganese, approx. 0,12 % copper, balance: other impurities JN-leg: 55% copper, 45% nickel approx. 0,1%, cobalt, iron, and manganese | -180°C/+700°C |
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type K | base thermocoupleNiCr - NiAl (nickel-chrome/ nickel-aluminium) single wires made of non precious metals | KP-leg: 89-90% nickel, 9-9,5% chrome, 0,5 % silicium and iron balance: C, Mn, Nb, Co KN-leg: 95-96% nickel, 1-1,5% silicium, 1-2,3 % aluminium, 1-3,2% manganese, 0,5% cobalt, balance: Fe, Cu, Pb | -270°C/+1372°C |
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type L | base thermocouple Fe - CuNi (iron/copper-nickel) single wires made of non precious metals | LP-leg: 99,5 % iron, approx. 0,25 % manganese, approx.0,12 % copper, ballance: other impurities LN-leg: 55% copper, 45% nickel, approx.0,1% cobalt, iron, and manganese | 0°C/+900°C |
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type N | base thermocouple NiCrSi - NiSi (nickel-chrome-silicium/nickel-silicium-magnesium) single wires made of non precious metals | NP-leg: 84% nickel, 14-14,4 % chrome, 1,3-1,6% silicium, ballance (not more than 0,1%): Mn, Fe, C, Co NN-leg: 95 % nickel, 4,2-4,6 % silicium, 0,5-1,5 % magnesium, ballance: Fe, Co, Mn, C, (altogether 0,1-0,3% | -270°C/+1300°C |
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type R | base thermocouple Pt13%Rh - Pt (platinum 13% rhodium/ platinum) single wires made of platinum and platinum - rhodium alloy | RP-leg: platinum with 99,99% purity with a rhodium alloy (purity 99,98%) 13±0,05% rhodium portion RN-leg: platinum with 99,99% purity | -50°C/+1768,1°C (melting point) recommended: bis +1300°C |
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type S | base thermocouple Pt10%Rh - Pt (platinum 10% Rhodium/ platinum) single wires made of platinum and platinum - rhodium alloy | SP-leg: platinum with 99,99% purity with a rhodium alloy (purity 99,98%) 10±0,05% rhodium portion SN-leg: platinum with 99,99% purity | -50°C/+1768,1°C (melting point) recommended: bis +1300°C |
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type B | base thermocouple (Pt 30%Rh - Pt 6%Rh platinum -0% rhodium/ platinum-6% rhodium) single wires made of platinum and platinum - rhodium alloy | BP-leg: platinum with 99,99% purity with a rhodium alloy (purity 99,98%) 29,60±0,2% rhodium portion BN-leg: platinum with 99,99% purity with a rhodium alloy (purity 99,98%) 6,12±0,02% rhodium portion | max. +1820°C (melting point) ordinary up to +1700°C |
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type T | base thermocouple Cu - CuNi (copper/copper-nickel) single wires made of non precious metals | TP-leg: 99,95% copper, 0,02-0,07% oxygen, 0,01% impurities TN-leg: 55% copper, 45% nickelapprox. 0,1% cobalt, iron, and manganese | -270°C/+400°C |
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type U | Unedelmetall-base thermocouple Cu - CuNi (copper/copper-nickel) single wires made of non precious metals | UP-leg: 99,95% copper, 0,02-0,07% oxygen, 0,01% impurities UN-leg:55% copper, 45% nickel approx. 0,1% cobalt, iron, and manganese | 0°C/+600°C (+400°C) |
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