OPERATION AND MAINTENANCE OF "TENTH FIVE-YEAR PLAN" SEISMIC PRECURSOR INSTRUMENT IN SHANDONG PROVINCE

In this paper, the whole operation of "Tenth Five-year Plan" seismic precursor instrument in Shandong province is statistically analyzed.The result shows that most of the operation faults are taken place on unattended stations and caused by power supply, communication, lightning-protection and other general equipment.According to typical fault, some advices are given on daily maintenance.