SPC4000型高精度数字压力控制器期间核查方法

Method of Verification during the SPC4000 High Precision Digital Pressure Controller

在整个检定或校准周期内,数字压力控制器的计量特性受到很多外部因素的影响,频繁使用、使用年限较长及经常更换使用环境等因素都会对数字压力控制器的计量特性产生不可预测的影响。为确保数字压力控制器量值传递的准确性,提高检定和校准结果的可靠性,降低出错风险,需要在数字压力控制器两个相邻检定或校准周期内,开展期间核查工作。

The metrological characteristics of digital pressure controllers are affected by many external factors during the whole calibration or verification period.Frequent use,long service life and frequent change of operating environment can have unpredictable effects on the metrological characteristics of digital pressure controllers.In order to ensure the accuracy of the digital pressure controller value transfer,improve the reliability of the calibration and verification results and reduce the risk of errors,it is necessary to carry out verification work during the two adjacent calibration or verification cycles of the digital pressure controller.