High Pressure Temperature Gauge
A High Pressure Temperature Gauge is a specialized instrument designed to measure temperature in environments where both high pressure and temperature exist simultaneously. It typically operates by detecting temperature changes through a sensing element like a bulb filled with fluid or gas, which expands with temperature rise, increasing pressure inside the bulb or capillary tube. This pressure change is then transferred mechanically—often using a Bourdon tube or bimetallic strip—to move a pointer on a dial, accurately indicating temperature despite the high-pressure conditions.
Key features include:
Ability to withstand high pressure and temperature simultaneously.
Use of pressure-transmitting elements like Bourdon tubes for precise mechanical indication.
Common mechanisms include bimetallic strips or gas-actuated systems that translate thermal expansion or vapor pressure into readable dial movements.
Options available for remote reading with capillary tubes extending from the sensing bulb to the dial.