MEASURING INSTRUMENT FOR PRESSURE GAUGE AND MANUFACTURE OF THE MEASURING INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To indicate the high accuracy of pressure without any need of complicate adjustment. SOLUTION: This measuring instrument rotatably holds an indicator shaft having a pinion, and has an indicator unit 2 having two plates 4 and 6 for holding a gear member 32. Furthermore, the measurement instrument has a metallic Bourdon tube bent like a circular arc. One end of the Bourdon tube is soldered to a spring carrier 40, and the other end is soldered to a spring end piece 54.