Pressure gauge thermometer composed of three parts

Pressure gauge thermometer, pressure gauge thermometer is according to in closed containers of liquid, gas or low boiling point liquid and saturated steam, thermal volume expansion and pressure changes after this principle and production, to measure the change in pressure, and temperature can be measured. Pressure gauge thermometer mainly consists of three parts: 1. Bulb - — Bulb is directly with contact to feel the temperature change of measured medium components, so it has high strength, small expansion coefficient, high thermal conductivity and corrosion resistant properties, according to the working medium filling and different measured medium, temperature, package available copper alloy, steel or stainless steel to make. 2. Capillary - — It is made of materials such as copper or steel cold pulling into seamless tube, used to pass the pressure change. 3. Spring tube - — It is generally use the elastic element of pressure gauges.