Ring Wave Generator is the test equipment in conformity to IEC (the International Electro technical Commission) standard IEC61000-4-12, EN61000-4-12, ANSI-C62-41 and GBT17626.12. This instrument is used for the simulative electrical network, the power supply of the reactive load and the control line switch, as well as sensing the ring wave of the low voltage cables terminal equipment caused by the disconnection of the power circuit, fault and insulation breakdown or lightning stroke. The RWG61000-12 series products have LCD display in both English and Chinese.