Inert gas expansion thermometers with "Bourdon" type elastic element and room temperature compensator by bimetallic strip.
These are simple instruments specially designed to remotely measure temperatures in cold chambers and industrial refrigerators.
Specifications
Scale: Celsius
Inner components material: Copper alloy
Capillary length: 1.5m
Capillary material: Copper alloy
Capillary covering material: PVC
Stem material: Copper alloy
Stem length: 30mm
Stem diameter: Ø6mm