Question

which instrument you recommend to use to measure temperature above 350C​

Answer 1

Answer:

A pyrometer is generally considered to be a high-temperature measuring thermometer. In the optical, or disappearing filament, type shown in Figure , radiation from the heat source is directed into the unit.

Answer 2

Answer :

⇢ The instrument is LIQUID-IN-GAS-THERMOMETER

------------------------------------------------------------------------

What is Liquid-in-Glass Thermometer ?

⇢ The Liquid-in-Glass Thermometer is a type of a thermometer used to measure temperature. The thermal expansion of the liquid is the principle used to measure the temperature in the thermometer. When the temperature increases, the liquid expands and then rises in the capillary tube in the thermometer.

------------------------------------------------------------------------