This standard applies to monitors for AC gapless metal oxide arresters. This standard specifies the technical requirements, test methods and inspection rules for arrester monitors.
JB/T 10492-2004 history
2011JB/T 10492-2011 Monitoring devices for metal-oxide surge arresters
2004JB/T 10492-2004 Monitors for metal oxide surge arresters without gaps in a.c. system