Hongqi Industrial Vacuum Pressure Gauge in Good Sealing 200mm (8") Dial Bottom Mount Connection

Product Description
Hongqi Industrial Vacuum Pressure Gauge  in Good Sealing 200mm(8") Dial Bottom Mount Connection
A Vacuum Pressure Gauge, also known as a vacuum gauge or pressure gauge, is a device that measures the pressure inside a closed system relative to the outside atmosphere.  Vacuum gauges are used to measure the vacuum pressure inside a system, which is typically expressed in units of torr, millimeters of mercury (mmHg), or pascals (Pa).

There are several types of vacuum pressure gauges, including:

1.  Analog pressure gauges: These gauges use a mechanical system to display the pressure, often using a needle and a scale.

2.  Digital pressure gauges: These gauges use electronic sensors to measure the pressure and display it on an LCD screen.

3.  Absolute pressure gauges: These gauges measure the pressure relative to a perfect vacuum (0 psi).

4.  Differential pressure gauges: These gauges measure the pressure difference between two points in a system.

Vacuum pressure gauges are used in a variety of industries, including HVAC, automotive, aerospace, and medical.  They are often used to monitor the performance of pumps and other vacuum equipment, as well as to ensure the proper functioning of vacuum systems in manufacturing processes.