powered from an external battery (available separately)
but it should be powered through a transistor or motor driver module
Through-hole diodes have leads that pass through the PCB
output amplifier
UNI-T UT39C+ Digital Multimeter – 4000 Count, AC/DC 1000V, 10A, Capacitance, Temperature, hFE, NCV, Diode, CAT II 1000V / CAT III 600V sm connector powered from an external batteryUNI T UT39C+ General purpose 4000 count digital multimeter with 1000V range and temperature measurement for HVACR maintenance. Genuine UNI T product supplied by Digilog. pk with user manual and warranty. Key Features 4000 count display, wide 1000V range AC DC voltage (1000V 750V), AC DC current to 10A Resistance, capacitance (10mF), hFE transistor test Temperature measurement (probe included) for HVACR NCV detection, diode & continuity, data hold CAT