Descripción
TYPE K THERMOCOUPLE BARE WIRE
Detalle de cable desnudo de termopar tipo K:
Positivo: Chromel, Negativo: Alumel
Color: · brillante u oxidado
Tamaño del producto: 0.05mm a 10.0mm
El cable desnudo de termopar se usa a temperaturas de hasta 1260 ° C (2300 ° F). Termopar MICC desnudo
El alambre se suministra con superficie brillante u oxidada de acuerdo con los requisitos estándar o especiales de EMF.
Cada cable individual se calibra contra el platino y los valores de EMF se muestran en cada bobina o carrete.
| Thermocouple Variety and Index |
| Variety | Type | Measurement Range(℃) |
| 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
| Thermocouple Type | Grade | Temperature Range(℃) | Allowable Deviation |
| type K and type N | I | –40–1100 | ±1.5℃ or±0.4％t |
| II | –40–1300 | ±2.5℃ or ±0.75％t |
| III | –200–40 | ±2.5℃ or ±1.5％t |
| type E | I | –40–1100 | ±1.5℃ or ±0.4％t |
| II | –40–1300 | ±2.5℃ or ±0.75％t |
| III | –200–40 | ±2.5℃ or±1.5％t |
| type J | I | –40–750 | ±1.5℃ or ±0.4％t |
| II | –40–750 | ±2.5℃ or ±0.75％t |
| type T | I | –40–350 | ±0.5℃ or± 0.4％t |
| II | –40–350 | ±1.0℃ or± 0.75％t |
| III | –200–40 | ±1.0℃ or± 1.5％t |
| NiCr-AuFe0.07 | I | –270–0 | ±0.5℃ |
| II | ±1.0℃ |
Specification of alloy wire
| Anode | Cathode | Diameter(mm) | Maximum Temperature(℃) |
| 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 |
«Technical Data Sheet»
Type of thermocouple bare wire
| Type | Bare wire | Working Enviroment | Termperature (°C) |
| K | NiCr | Oxidizing | -200 | 1260 |
| NiSi | Inert |
| N | NiCrSi | Oxidizing | -200 | 1260 |
| NiSi | Oxidizing |
| E | NiCr | Oxidizing | -200 | 900 |
| CuNi | Oxidizing |
| J | Fe | Oxidizing | -40 | 750 |
| CuNi | Reducing,inert,vacuum |
| T | Cu | Oxidizing,vacuum | -200 | 350 |
| CuNi | Reducing,inert |
Max temperature of thermocouple bare wire
| Type | Φ3.26mm | Φ1.63mm | Φ1.00mm | Φ0.80mm | Φ0.50mm | Φ0.30mm |
| K | 1050°C | 930°C | 900°C | 860°C | 800°C | 750°C |
| E | 860°C | 800°C | 750°C | 700°C | 660°C | 620°C |
| T | | 400°C | 360°C | 320°C | 280°C | 250°C |
| J | 760°C | 760°C | 720°C | 680°C | 650°C | 600°C |
| N | 1100°C | 1010°C | 960°C | 930°C | 890°C | 840°C |
Standard of thermocouple bare wire
IEC tolerance
| Type | Operating temperature range | Tolerance |
| Long | short | Grade | Temperature | Tolerance |
| K | 1200 | 1300 | I | -40~1100′ | ±1.5℃ or ±0.4%t |
| II | -40~1300′ | ±2.5℃ or ±0.75%t |
| N | 1200 | 1300 | I | -40~1100′ | ±1.5℃ or ±0.4%t |
| II | -40~1300′ | ±2.5℃ or ±0.75%t |
| E | 750 | 900 | I | -40~800′ | ±1.5℃ or ±0.4%t |
| II | -40~900′ | ±2.5℃ or ±0.75%t |
| J | 600 | 750 | I | 0~75 | ±1.5℃ or ±0.4%t |
| II | ±2.5℃ or ±0.75%t |
| T | 300 | 350 | I | -40~350′ | ±0.5℃ or ±0.4%t |
| II | ±1℃ or ±0.75%t |
| III | -200~40′ | ±1℃ or ±1.5%t |
ANSI E-230 tolerance
| Type | Temperature range | limits of error |
| standard | special |
| T | (0 to 133)℃[32 to 270]℉
(133 to 350)℃[270 to 662]℉ | ±1℃[2℉]
±0.75% | ±0.5℃[1℉]
±0.4% |
| J | (0 to 293)℃[32 to 559]℉
(293 to 750)℃[559 to 1382]℉ | ±2.2℃[4℉]
±0.75% | ±1.1℃[2℉]
±0.4% |
| E | (0 to 340)℃[32 to 644]℉
(240 to 900)℃[644 to 1652]℉ | ±1.7℃[3℉]
±0.5% | ±1℃[2℉]
±0.4% |
| K | (0 to 293)℃[32 to 559]℉
(293 to 1250)℃[559 to 2282]℉ | ±2.2℃[4℉]
±0.75% | ±1.1℃[2℉]
±0.4% |
| N | (0 to 293)℃[32 to 559]℉
(293 to 1250)℃[559 to 2282]℉ | ±2.2℃[4℉]
±0.75% | ±1.1℃[2℉]
±0.4% |
