Thermometry

Thermocouples

The thermocouples installed in our furnaces are pre-calibrated. We mostly use K-type, B-type and C-type thermocouples in low-, mid- and high-temperature furnaces. Please find below the typical specifications of these thermocouples for information.

Type Conductors Temp. Range Tolerance

K

Positive: Ni - Cr
Negative: Ni - Al

from -100°C to 293°C
from 293°C to 1260°C

±2°C
±0.75% of the temperature

N

Positive: Ni - Cr - Si
Negative: Ni - Si

from 0°C to 293°C
from 293°C to 1250°C

±2.2°C
±0.75% of the temperature

B

Positive: Pt - 30% Rh
Negative: Pt - 6% Rh

870°C to 1700°C

±0.5% of the temperature

C

Positive: W - 5% Re
Negative: W - 25% Re

from 0°C to 426°C
from 426°C to 2315°C

±4.4°C
±1% of the temperature