| 摘要 |
PURPOSE: An error measuring device for a pressure meter is provided to easily measure an error of the pressure meter by simply pushing a piston of a cylinder installed in a gas pressure inlet section of the pressure meter. CONSTITUTION: An error measuring device for a pressure meter includes a case, a valve(30), an actuating section(40) and a driving section(50). The case is installed at a gas pressure inlet section of the pressure meter. A supporting pipe(31) is installed in the case and feeding pipes(33,34) are aligned at both sides of the supporting pipe(31). An injection pipe(35) is formed in front of the supporting pipe(31) and the feeding pipes(33,34). The actuating section(40) has a pushing tube(43) provided to an exterior of the case. The driving section(50) rotates a rotating member(32) at right angle when the pushing tube(43) is pushed.
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