The instrument must be vertical: a 17mm wrench should be used to tighten it during installation, and the case should not be forcefully twisted; Avoid collisions during transportation

date：2023-10-19

The pressure gauge undergoes elastic deformation through the sensitive components inside the gauge (Bourdon tube, bellows, bellows)

date：2023-10-19

Pressure gauge (English name: pressure gauge) refers to an elastic element as a sensitive component

date：2023-10-19