| Customization: | Available |
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| Type: | Metal Electrode |
| Cooling System: | Natural |
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Thermocouple Type N NiCrSi NiSiMg 1000C High Temperature Accuracy Bare Wire
TYPE N (NiCrSi Vs.NiCrMg) 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
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mg | Al | |
| NP(NiCrSi) | bal | 13.7-14.7 | 1.2-1.6 | <0.01 | |
| NN(NiCrMg) | bal | <0.02 | 4.2-4.6 | 0.5~1.5 | |
2. Physical properties and Mechnical properties
|
Material |
Density(g/cm3) |
Melting pointºC) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| NP(NiCrSi) | 8.5 | 1410 | >620 | 100.0 (20ºC) | >30 |
| NN(NiCrMg) | 8.6 | 1340 | >550 | 33.0(20ºC) | >35 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | |
| NP(NiCrSi) | 1755~1813 | 3910~3976 | 6313~6383 | 8880~8959 | 11552~11654 | 14307~14433 |
| NN(NiCrMg) | 975~1005 | 1954~1986 | 2975~3011 | 4035~4075 | 5120~5170 | 6212~6274 |
| EMF value Vs Pt(μV) | |||||
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | |
| 17129~17275 | 20010~20178 | 22951~23139 | 25943~26149 | 28972~29194 | |
| 7288~7362 | 8318~8402 | 9281~9373 | 10159~10261 | 10948~11060 | |
Thermocouple variety and index for thermocouple TYPE K ROD
| 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 |
Thermocouple type and grade for thermocouple TYPE K ROD
| Thermocouple Type | Grade | Temperature Range(°C) | Allowable Deviation |
| type K and type N | I | -40-1100 | ±1.5°C or±0.4%T |
| II | -40-1300 | ±2.5°C or ±0.75%T | |
| III | -200-40 | ±2.5°C or ±1.5%T | |
| type E | I | -40-1100 | ±1.5°C or ±0.4%T |
| II | -40-1300 | ±2.5°C or ±0.75%T | |
| III | -200-40 | ±2.5°C or±1.5%T | |
| type J | I | -40-750 | ±1.5°C or ±0.4%T |
| II | -40-750 | ±2.5°C or ±0.75%T | |
| type T | I | -40-350 | ±0.5°C or± 0.4%T |
| II | -40-350 | ±1.0°C or± 0.75%T | |
| III | -200-40 | ±1.0°C or± 1.5%T | |
| NiCr-AuFe0.07 | I | -270-0 | ±0.5°C |
| II | ±1.0°C |
Specification of alloy wires for thermocouple TYPE K ROD
| Anode | Cathode | Diameter(mm) | Maximum Temperature(°C) | |||
| name | code | name | code | long-time using | short-time using | |
| NiCr10(Chromel) | KP | NiSi3(Alumel) | KN | Φ0.3 | 700 | 800 |
| Φ0.5 | 800 | 900 | ||||
| Φ0.8 Φ1.0 | 900 | 1000 | ||||
| Φ1.2 Φ1.6 | 1000 | 1100 | ||||
| Φ2.0 Φ2.5 | 1100 | 1200 | ||||
| NiCr14.2Si | NP | NiSi4 | NN | Φ3.2 | 1200 | 1300 |
| NiCr10(Chromel) | EP | CuNi45(Copel) | EN | Φ0.3 Φ0.5 | 350 | 450 |
| Φ0.8 Φ1.0 Φ1.2 | 450 | 550 | ||||
| Φ1.6 Φ2.0 | 550 | 650 | ||||
| Φ2.5 | 650 | 750 | ||||
| Φ3.2 | 750 | 900 | ||||
| Fe(Iron) | JP | CuNi45(Copel) | JN | Φ0.3 Φ0.5 | 300 | 400 |
| Φ0.8 Φ1.0 Φ1.2 | 400 | 500 | ||||
| Φ1.6 Φ2.0 | 500 | 600 | ||||
| Φ2.5 Φ3.2 | 600 | 750 | ||||
| Cu(Copper) | TP | CuNi45(Copel) | TN | Φ0.2 Φ0.3 | 150 | 200 |
| Φ0.5 Φ0.8 | 200 | 250 | ||||
| Φ1.0 Φ1.2 | 250 | 300 | ||||
| Φ1.6 Φ2.0 | 300 | 350 | ||||
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