RJ-2A数字式高频近区电磁场测量仪维护与保养的方法：
1、仪器不使用时，应放在干燥的地方.长期不使用时，应将电池取出，仪器不能长时间3处于强电中。

2、维护保养周期：每六个月进行一次维护保养。

Rj-2 a digital high-frequency near-field EMF measurement instrument maintenance and maintenance method: 1, the instrument is not in use, should be placed in a dry place. Long-term non-use, the battery should be taken out, the instrument can not be a long time 3 in a strong electricity. 2. MAINTENANCE CYCLE: maintenance every six months.