... designed and manufactured for measurement of AC current, higher harmonic current, phase, electric energy, power and ... mining establishments..Technical Specifications FunctionMeasurement of AC current, higher harmonic current, phase, electric energy, power and power ... the clampCurrent Frequency45Hz-60Hz (Frequency of the measured current ) 10Hz-100kHzCircuit VoltageBelow 600V ACSizeLength 194mm × Width ...