... (Including pull-bar mechanism, gear transmission), Indicating Device (Including phalanx, dial and switch), Shell (Including shell, gasket and glass surface). It ... on the gear shaft indicates the measured value on the dial through the rotation and zoom of the gear transmission. ... are the five features of this series.ModelJoint DimensionKPa mmh2oDial Diameter(mm)AccuracyMPG13/8" thread 0-10 0~1000 70 1 ...