The most important thing in the use of seismic pressure gauge is the accuracy of its pointer, if the pointer can not be normally indicated in the process of use, it has a very big impact on everyone's normal work. In this case, we need to figure out what happened to the pointer of the shock-proof pressure gauge. The following is the specific reason analysis:

When we use the shock-proof pressure gauge, we will always encounter that the pointer does not return to zero or cannot reach the full degree, then what is the cause?

First of all, the movement may be improperly fixed, the Angle between the connecting rod and the fan teeth is too small, and the movement position should be changed or the number of meshing teeth should be increased. Or there is not enough disc tight or large, some use a long time of insufficient rigidity, lack of flexibility when close to zero or full degree, lost the ability to control the pointer.

Secondly, the connecting rod may be too short, the amplification Angle of the transmission mechanism is limited, and the pointer can not go to the full degree and zero position. The spring pipe is dirty or the spring pipe is welded improperly. The pointer of the shock-proof pressure gauge is loose, the dial is improperly fixed, or the screws on the internal parts are not tightened. If repeated adjustment, the indicating value is still a disproportionate change, it should be the spring tube deformation, you need to replace a new part.

Then the above shock-proof pressure gauge pointer does not return to zero reasons are analyzed here, I hope to be able to help you understand.