Several improvements on performance of pistongauge and the achievements of the novel forced balanced pistongauge and the digital pistongauge are described here.
This paper analyses the related influencing factors to the verification items of the piston pressure gauges to ensure the value transfer of the pistongauge is accurate and reliable.
本文将讨论活塞式压力计相关检定项目的影响因素，从而保证其在检定和使用过程中量值传递准确可靠。
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If necessary extend the probe of the dial gauge until you can definitely take measurements on the piston crown.