Detailed Product Description JM-670B Analog Panel Meter ( ammeter , voltmeter )Classification Operating Principle Full Scale DeflectionAccuracyDC Ammeter Moving Coil Type 50μA to 25A 2.5DC Voltmeters 50mV up to 500V 2.5AC Voltmeters Moving Coil Type 10V up to 500V 2.5Remark: Full scale value "50μA up to 30A" are corresponding to range 0-50μA,0-100μA, 0-200μA, ...,0-1mA, ....., 0-30A