MI Thermocouple Cable is a high performance mineral insulated thermocouple cable that provides reliable temperature measurement and control solutions. This product series covers a variety of models, including K-type, N-type, E-type, J-type, T-type, B-type, R-type and S-type. Each model corresponds to a different thermocouple type, suitable for various temperature ranges and application scenarios.
Type K thermocouples are suitable for a wide range of industrial applications, with a wide temperature range and good linear characteristics. N-type thermocouples are suitable for high temperature measurements and have high stability and oxidation resistance. Type E thermocouples are suitable for higher temperature ranges and have good stability and low drift performance. Type J thermocouples are suitable for lower temperature ranges and have higher sensitivity and linearity. T-type thermocouples are suitable for low-temperature measurements and have good stability and corrosion resistance. Type B, R and S thermocouples are suitable for extremely high temperature measurements and have the characteristics of high stability and strong corrosion resistance.
| Code | Wire Component of the thermocouple |
| +Positive leg | - Negative Leg |
| N | Ni-Cr-Si(NP) | Ni-Si-magnesium (NN) |
| K | Ni-Cr(KP) | Ni-Al(Si) (KN) |
| E | Ni-Cr(EP) | Cu-Ni (EN) |
| J | Iron (JP) | Cu-Ni (JN) |
| T | Copper (TP) | Cu-Ni (TN) |
| B | Platinum Rhodium-30% | Platinum Rhodium -6% |
| R | Platinum Rhodium-13% | Platinum |
| S | Platinum Rhodium -10% | Platinum |
| Material | Type | Grade | Working temperature (deg) | Tolerance | Standard |
| Long Term | Short Term |
| NiCr-NiSi | K | 1 | -40~1100 | -40~1300 | ±1.5 deg | GB/T 2614-1998 |
| 2 | ±2.5 deg |
| NiCr-CuNi | E | 1 | -40~800 | -40~900 | ±1.5 deg | GB/T 4993-1998 |
| 2 | ±2.5 deg |
| Fe-Constantan | J | 1 | -40~600 | -40~800 | ±1.5 deg | GB/T 4994-1998 |
| 2 | ±2.5 deg |
| Cu-CuNi | T | 1 | -200~300 | -200~400 | ±0.5 deg | GB/T 2903-1998 |
| Outer Sheath(mm) | core wire Dia.( mm) | Outer Sheath(mm)o core wire Dia.( mm) | Length(m) |
| Out Dia | Wall Thickness | K,N,E,J,T Types | S,R,B Types | K,N Types | E,J,T Types | S,R Types | |
| 0.5 | 0.05-0.10 | 0.08-0.12 | ... | | | | | 500 |
| 1.0 | 0.10-0.20 | 0.15-0.20 | ... | 300 |
| 1.5 | 0.15-0.25 | 0.23-0.30 | ... | 200 |
| 1.6 | 0.16-0.26 | 0.26-0.36 | ... | 200 |
| 2.0 | 0.25-0.35 | 0.40-0.50 | 0.25-.030 | 180 |
| 3.0 | 0.38-0.48 | 0.50-0.60 | 0.30-0.40 | 80 |
| 3.2 | 0.48-0.58 | 0.58-0.68 | 0.30-0.40 | 75 |
| 4.0 | 0.52-0.62 | 0.60-0.70 | 0.35-0.40 | 70 |
| 4.8 | 0.73-0.83 | 0.75-0.85 | 0.40-0.45 | 40 |
| 5.0 | 0.78-0.88 | 0.80-0.90 | 0.40-0.45 | 40 |
| 6.0 | 0.98-1.08 | 0.90-1.10 | 0.45-0.50 | 30 |
| 6.4 | 1..05-1.15 | 1.02-1.12 | 0.45-0.50 | 30 |
| 8.0 | 1.30-1.44 | 1.30-1.40 | 0.45-0.50 | 20 |
| 12.7 | 1.75-1.90 | 1.95-2.05 | ... | 10 |
