LCD GM328A Transistor Tester Diode Capacitance ESR Voltage Frequency Meter PWM Square Wave Signal Generator SMT Soldering

Transistor Tester

by FNIRSI

Multi-functional transistor tester for automatic detection of NPN and transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout. It also can be used as square signal and PWM signal generator. Features: Digital LCD display for easy readings of data and graphics. Rotary switch control. Main chis the DIP, easy for electronic enthusiasts to DIY or update. Uses 9V battery (not included) or use DC power (DC 6.8-12V). Automatic shutdown (shutdown current is about 20nA). Test NPN and transistor common-emitter current amplification factor, the base-emitter threshold voltage, off the collector - emitter leakage current. Support 2 resistors measurement, show its positive and negative, on-state voltage. Resistance measurement maximum resolution 0.01Ω, can be measured up to 50MΩ. Automatically test the pins of a component and show on the display. Measure FET gate threshold voltage and gate capacitance. For the following 2100Ω resistor while measuring its inductance measuring range from 0.01mH - 20H. Can be used as signal generator and frequency meter: frequency range from 1Hz-2MHz and can generate 1%-99% PWM (pulse width modulation) signals.

Notice: Before measuring capacitance, the capacitor must be discharged, otherwise it can very likely damage the meter.

Specifications: Display: 160 x 128 LCD Power supply: 9V Battery (not included); DC 6.8-12V Current: Approximately 30 mA Resistance measurement: Max. 50MΩ Resistance resolution: 0.01Ω Capacitance measurement: 25pF - 100mF Capacitance resolution: 1pF DC voltage measurement: Up to 50V Screen size: 3.7 x 3 cm (1.45 x 1.18 in) size: 7.8 x 6.2 cm (3.1 x 2.44 in) Product weight: 66g (2.3 oz) Package weight: 69g (2.45 oz)

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