... of high active, stable and high-efficient Heating System For Steel Pipe Anticorrosion Coating:Making use of electromagnetic interaction ... cabinet, capacitor box, water cooling system, water cooling cable, heating coil and control circuit. With infrared thermometry, ranging ... Frequency Range:1kHz Power Requirement:~380V/220V 50Hz Voltage Range:±5% . Adjustment style: L/C, digital circuit.Capacitor ...