Standards World

IEC 62059-32-1:2011 pdf free download - Electricity metering equipment - Dependability The MUT shall be mounted as for normal operation，with all covers and terminal covers inplace. The ability of the MUT to transfer heat by thermal radiation...

IEC 62053-41:2021 pdf free download - Electricity metering equipment - Particular requirements 1 Scope This part of lEC 62053 applies only to static watt-hour meters of accuracy classes 0,5 and 1 forthe measurement of DC electrical energy...

IEC 62053-23:2020 pdf free download - Electricity metering equipment - Particular requirements 1 scope This part of lEC 62053 applies only to static var-hour meters of accuracy classes 2 and 3 forthe measurement of alternating current electrical...

IEC 62053-22:2020 pdf free download - Electricity metering equipment - Particular requirements 1 scope This part of lEC 62053 applies only to transformer operated static watt-hour meters of accuracyclasses 0,1 S,0,2 s and 0,5 s for the...

IEC 62047-38:2021 pdf free download - Semiconductor devices - Micro-electromechanical devices 4.3Measurement of dimensions To analyze the test results, the dimensions of the contact area shall be accurately measuredbecause the dimensions are used to determine the adhesion...

IEC 62047-37:2020 pdf free download - Semiconductor devices - Micro-electromechanical devices 1 Scope This part of IEC 62047 specifies test methods for evaluating the durability of MEMSpiezoelectric thin film materials under the environmental stress of temperature and...

IEC 62037-5:2021 pdf free download - Passive RF and microwave devices, intermodulation level measurement 4.1sources of error: back-to-back filters Testing filter assemblies for PlM can be error prone if certain precautionary guidelines are notfollowed.Since PlM can be...

IEC 61753-2-1:2000 pdf free download - Fibre optic interconnecting devices andpassive components performance standard 1Scope This part of lEC 61753 contains the minimum requirements and severities which a single-modeconnector/cable assembly must satisfy in order to be considered...