PC218 Phase Polarity Tester Checker Detector Audio Speaker Mic Sound Testing US
Input impedance (Mic) : 1KOhm. – Input level (Mic) : 10mV – 1V. – 1 x Tester. – Input impedance (Line) : 10KOhm. – Input level (Line) : 0.5V to 50VOutput level : 0V to 1V. – Power : 9V PP3 battery (= approx 50 hours).