Binary Effect of Fly Ash and Palm Oil Fuel Ash on Heat of Hydration Aerated Concrete

Table 4

Characteristic of thermocouple Type K.

Type	Temperature range °C (continuous)	Temperature range °C (short term)	Tolerance class one (°C)	Tolerance class two (°C)
K	0 to +1100	−180 to +1300	±1.5 between −40°C and 375°C; ±0.004 × 𝑇 between 375°C and 1000°C	±2.5 between −40°C and 333°C; ±0.0075 × 𝑇 between 333°C and 1200°C