The use of vacuum gauge

Vacuum pressure gauge is a kind of common measuring gauges, in many areas of a certain application. Vacuum pressure gauge use considerations such as vacuum pressure gauge pressure gauge measuring range, temperature and other problems. 1. The ambient temperature under vacuum pressure gauge used for - 40 ~ 70 ℃, relative humidity is not more than 80%, such as deviation from normal use temperature 20 ℃, the temperature must be included in the additional error. 2. When using the vacuum pressure gauge must be installed vertically, and strive to maintain the same level with measuring points, such as too high for the difference caused by the liquid column additional error, but don't have to consider when measuring gas. When installation will watch case vent at the back of the jam, lest affect explosion-proof performance. 3. Vacuum pressure gauge when using normal use of the measuring range: no more than 3/4 of the measurement limit under static pressure, under the volatility should not be more than two-thirds of the measurement limit. In the case of the above two kinds of pressure big pressure gauge measuring the lowest lower limit should not be less than a third of all, measuring the vacuum vacuum parts all use. 4. Vacuum pressure gauge if encounter when using vacuum gauge pressure failure or internal parts of fault should be loose, does not work for maintenance, maintenance or contact the manufacturer. 5. Vacuum pressure gauge should be avoided when using vibration and impact, so as to avoid damage. Vacuum pressure gauge structure principle is by measuring system ( Including joint, spring pipe, gear transmission mechanism) And instructions ( Include Pointers, dial) , watch case parts. Its working principle is based on the elastic element - Spring pipe deformation. When the measured medium is produced by the joint into the spring tube with side displacement, the displacement with the aid of connecting rod by gear transmission mechanism of pressure transmission and amplification, the pointer indicates that the pressure on the dial.