MICC Top quality factory direct supply Type E thermocouple bare wire With Chromel Positive and Constantan Negative
Positive: Chromel, Negative: Constantan
Color: · bright or oxidized
Product Size: 0.05mm to 10.0mm
Thermocouple bare wire is used at temperatures up to 1260°C (2300°F). MICC thermocouple bare
wire is supplied with bright or oxidized surface according to standard or special EMF requirements.
Each individual lead is calibrated against platinum and the EMF values are shown on each coil or spool.
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 |