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Product Details:
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Material: | +Chromel -Alumel | Standard: | ANSI |
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Diameter: | 0.02mm To 12mm | Accuracy: | Class I (T±4%) |
Temperature: | 0 To 1200℃ | State: | Bright/Oxidized |
Highlight: | thermocouple bare wire,thermocouple extension wire |
Type K Thermocouple Bare Wire 1200℃ Chromel Aumel ANSI Standard 1 Meter Length
NiCr/NiAl Type K Thermocouple Wire 1 Meter Length Rod
Classification for thermocouple TYPE K wire
1. Chemical Composition
Material | Chemical composition (%) | ||||
Ni | Cr | Si | Mn | Al | |
KP(Chromel) | 90 | 10 | |||
KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 |
2. Physical Properties and Mechnical Properties
Material |
Density(g/cm3) |
Melting point℃) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3. EMF Value Range at Different Temperature
Material | EMF value Vs Pt(μV) | |||||
100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
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) | ||||
700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ |
22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
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 |
Contact Person: Mr. Qiu
Tel: +8613795230939