JSR-MS190SIs a single stage mercury conductive slip ring, the maximum current of this mercury slip ring is 900A, using liquid mercury as the contact material, mercury slip ring is also called mercury rotary joint, is a conductive rotary joint with liquid mercury as the conductive medium, is a very widely used slide ring. Mercury slip ring using special sealing materials, insulation and conductive technology research and development production, the shell material is aluminum oxide or stainless steel, used for any rotating signals such as: tiny voltage, current, EMF, thermocouple, straingauge, audio-visual signals, high-frequency, computer signals and electrical connections.