THERMOCONDUCT
ThermoConduct
RAS Thermal Co., Ltd.
Doc: TC-EMF-001 Rev.08 | August 2026

Thermocouple EMF vs Temperature — Calibration Reference Tables

Per IEC 60584-1:2013. Reference junction at 0 °C. EMF values in millivolts (mV).

Type K — Chromel / Alumel (NiCr/NiAl)

Tolerance: ±1.5 °C (0–375 °C) | ±0.4% (375–1000 °C)

°C−200−100010020030040050060070080090010001100120013001370
mV−5.891−3.5540.0004.0968.13812.20916.39720.64424.90529.12933.27537.32641.27645.11948.83852.41054.819

Type N — Nicrosil / Nisil (NiCrSi/NiSiMg)

Tolerance: ±1.5 °C (0–375 °C) | ±0.4% (375–1000 °C)

°C−200−10001002003004005006007008009001000110012001300
mV−3.990−2.4070.0002.7745.9139.34112.97416.74820.61324.52728.45532.37136.25640.08743.84647.513

Type J — Iron / Constantan (Fe/CuNi)

Tolerance: ±1.5 °C (0–275 °C) | ±0.4% (275–750 °C)

°C−400100200300400500600700750
mV−1.9610.0005.26910.77916.32721.84827.39333.10239.13242.281

Type T — Copper / Constantan (Cu/CuNi)

Tolerance: ±0.5 °C (−40–125 °C) | ±0.4% (125–350 °C)

°C−200−1000100200300350
mV−5.603−3.3790.0004.2799.28814.86217.819

Type E — Chromel / Constantan (NiCr/CuNi)

Tolerance: ±1.5 °C (0–275 °C) | ±0.4% (275–900 °C)

°C−200−1000100200300400500600700800900
mV−8.825−5.2370.0006.31913.42121.03628.94637.00545.09353.11261.01768.787