Lock Accessories,Lock Cylinder Retaining Ring Parts,Stainless Steel Lock Cylinder Card,Lock Cylinder Gear Parts Dongguan New Decoration Material Technology Co., Ltd. , https://www.xsjmim.com
1. The meter does not show anything, mainly because the battery power supply is not normal or the contact is not good.
2. The Megger high voltage indicator light is on but the resistance is not tested. Check if there is a high voltage output, if the test line is disconnected, and if the test article is in good contact.
3. When the ground resistance meter test shows “1†or “1 and OPENâ€, the range selection is improper or the measured grounding pole is open and the current assistance pole is too large.
4, FC-2G to determine whether it is normal. Turn the "representation" of the meter's rear panel to the "Current" bit, short the panel test hole with a wire, and hit "0.75U" in the "AUTO" position. Turn on the high voltage and the display shows 1000μA ± 2 FC. If not, the FC -2G is faulty.
The fastest and most convenient method for diagnosing instrument faults
A simple way to determine the instrumentation failure: