2014SN/T 1843.4-2014 Rules for the inspection of electrical equipment for measurement,control,and laboratory use for import and export.Part 4:Insulation resistance meter
1997SN/T 0731-1997 Rules for the inspection of insulation resistance meter for export
SN/T 0731-1997 Rules for the inspection of insulation resistance meter for export was changed to SN/T 1843.4-2014 Rules for the inspection of electrical equipment for measurement,control,and laboratory use for import and export.Part 4:Insulation resistance meter.