In order to ensure the accuracy and reliability of the insulation resistance of the electrical equipment or electrical line to the ground and between the phase lines measured by hand-operated megohmmeter,the ZX119-8 in-sulation resistance meter verification device is used to verify the hand-operated megohmmeter according to JJG 622-1997 Verification regulation of megohmmeter.The verification scheme is introduced,the measurement uncertainty of the verification results is evaluated and verified.The results show that the verification scheme meets the requirement of dissemination of quantity value and can ensure the accuracy and reliability of the measurement results.
MegohmmeterFundamental ErrorVerificationEvaluation of Measurement Uncertainty
万方数据
维普
