Articles

What Is Bimetal Thermometer The bimetal thermometer combines two metals with different linear expansion coefficients, and one end is fixed. When the temperature changes, the two metals have different thermal expansions and drive the pointer to deflect to indicate the temperature. This is a bimetal thermometer. The temperature measurement range of the bimetallic thermometer is…

Differential pressure gauges are used for air-gas ratio control and automatic valve control in the combustion process, as well as blood pressure and respiratory pressure monitoring in medical and health care equipment. It is suitable for measuring the pressure difference of non-crystalline and solidified, corrosive liquid, gas, vapor, and other media of the same pressure…

A pressure gauge refers to an instrument that uses elastic components as sensitive components to measure and indicate pressure higher than the ambient pressure. The application of pressure gauges is extremely common, and it covers almost all industrial processes and scientific research fields. It can be seen everywhere in the fields of heating pipe network, oil…

Why fill the pressure gauge with liquid Oil-filled pressure gauges are usually divided into silicone-filled pressure gauges and glycerin-filled pressure gauges. The main purpose of filling the pressure gauge with oil is to reduce the impact on the pointer in a relatively vibrating environment, which can effectively ensure the sensitivity of the pressure gauge. The…

To carry out pressure detection, a measurement system is actually needed to realize it. In order to achieve an accurate measurement, in addition to correct selection and verification (calibration) of the instrument, attention must also be paid to the correct installation of the entire system. If only the shock-resistant pressure gauge itself is accurate, its…

What is bourdon Tube? The Bourdon tube is an elastic-sensitive element that uses the bending change or torsion deformation of the tube to measure the pressure, also known as the spring tube. One end of the Bourdon tube is fixed and one end is movable, and its cross-sectional shape is oval or flat. The non-circular…

What Is A Vacuum Pressure Gauge? Vacuum pressure gauges are based on atmospheric pressure and are used to measure less than atmospheric pressure. The vacuum pressure gauge is suitable for measuring the vacuum pressure of liquids and gases that have no explosion, no crystallization, no solidification, and no corrosive effect on copper and copper alloys….

Steam is divided into saturated steam and superheated steam. Under a certain pressure, the steam produced when water boils is called saturated steam. This saturated steam has the saturation temperature in this state. Saturation temperature refers to the temperature that liquid and vapor have when they are in a dynamic equilibrium state, that is, when…

The air pressure correction method is a method of using compressed air or oxygen to correct the pressure of the pressure gauge. It has a simple structure and is easy to use. It is suitable for the calibration of flammable gas pressure gauges with a pressure in the range of 0 to 1.47 MPa. 1….

The diaphragm pressure gauge consists of a diaphragm isolator and a general-purpose pressure gauge. It is suitable for measuring the pressure of the medium with strong corrosion, high temperature, high viscosity, easy crystallization, easy solidification, and solid floating matter, and the direct measurement of the medium must be avoided. Enter the general-purpose pressure gauge and…