_GM328 Finished Small Screen Transistor Tester Frequency Voltage Measurement PWM
Feature: \n 1. The use of single chip microcomputer ATMEAG328P DIP-28 with IC block.\n2. The display unit uses a 160x128px color display, full-screen characters 8x20, 16- color depth, graphic display elements symbols.\n3. Rotating coding switch control, one-button measurement, automatic shutdown.\n4. Powered by 9V laminated battery (not included), can also use the power adapter, the whole current of about 30mA, about 20nA current after shutdown.\n5. Automatic detection of NPN and PNP transistors, FET, diodes, dual diode, thyristor, silicon controlled rectifier, automatic identification of the above transistor pin out.\n6. Test NPN and PNP triode common emitter current amplification factor, base-emitter threshold voltage, collector-emitter leakage current at turn-off.\n7. Identification for Darlington transistors through triode base-emitter threshold voltage and high current amplification factor.\n8. Detect power triode and FET built-in protect diodes.\n9. Test FET gate-source turn-on:
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