Input Voltage range: 380V/220V( can customize various voltage) Input frequency: Plus or minus ±15%~±60% (larger range can be customized) Output rated voltage: 380V/220V( can customize various voltage) Output Voltage accuracy: ±1% Efficiency:...
Tinker & Rasor Model CPV-4 Cathodic Protection Voltmeter is a revolutionary instrument for measuring DC structure-to-earth potentials of various buried or submerged metallic objects. Powered by an ordinary 9-volt battery, the Model CPV-4 gives an immediate reading in large ½...