In the actual measurement of bimetallic thermometers, people often ask why bimetallic thermometers work abnormally when encountering high temperatures, and the temperature measurement is inaccurate?

There are various specifications and models of bimetallic thermometers, and the most common types in terms of installation can be divided into three types: axial bimetallic thermometers, radial bimetallic thermometers and universal bimetallic thermometers. The axial bimetal thermometer is also calle......

The phenomenon that the pointer deflection of the pressure gauge is not stable can generally be divided into two situations. The first is that there is jitter when the pointer moves. There may be two reasons for this to happen.

The pressure gauge often does not return to zero in the process of use, that is, in the absence of external negative pressure, the pressure gauge pointer will point to a pressure value reading. If the deviation value measurement is allowed, it will cause a greater impact on the measurement results. ......

The spring tube of the individual pressure gauge is a tubular spring with a certain cross-sectional shape (a flat circle and an approximate oval shape are rarely used), bent into a "C" shape, and can meet the certain elastic requirements. If the spring tube is too small, it will affect the accuracy ......

Pay attention to the use and maintenance of pressure gauges