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Item Bourdon Tube Pressure Gauge, Pressure-Vacuum Gauge and Vacuum Gauge for General Use 
Standard JJG 52-2013 Verification Regulation of Bourdon Tube Pressure Gauge, Pressure-Vacuum Gauge and Vacuum Gauge for General Use 
Introduction

The principle of the pressure gauge is the that the helix Bourdon tube is operated under pressure or vacuum and its elastic deformation results in shifting of the tubetip, which is amplified and transmitted by mechanical driver to indicator displaying the measured values of pressure or vacuum in legal unit of measurement in the graduated plate by a pointer.

 
Period Half a Year 
Range (-0.1~60)Mpa 
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