Enhance your electronic diagnostics and testing capabilities with the GM328 Transistor Tester, a versatile and feature-rich device designed for precise measurement and identification of a wide variety of electronic components. Crafted with durable plastic housing and equipped with a vibrant 160x128 pixel color display, this tester delivers clear, detailed graphical and textual feedback, making component analysis straightforward and efficient. Key Features: · Advanced Microcontroller Technology: Powered by the ATMEGA328P DIP-28 single-chip microcomputer with integrated IC blocks for reliable and accurate testing performance. · High-Resolution Color Display: Features a 160x128 pixel color screen with 16-bit color depth, supporting full-screen 8x20 character display and intuitive graphical element symbols for easy interpretation. · Comprehensive Component Testing: Automatically detects and identifies NPN and PNP transistors, FETs, diodes (including dual diodes), thyristors, and silicon controlled rectifiers, along with automatic pinout recognition for hassle-free analysis. · Detailed Parameter Measurement: Measures key parameters such as transistor current amplification factor (hFE), base-emitter threshold voltage, collector-emitter leakage current, FET gate-source turn-on threshold voltage, drain-source on-resistance, and gate-source capacitance. · Dual Component Measurement: Capable of measuring two resistors or two diodes simultaneously, including adjustable resistors, with resistance measurement resolution as fine as 0.01Ω and a maximum range up to 50MΩ. · Wide Capacitor Testing Range: Accurately measures capacitance from 25pF up to 100mF with 1pF resolution; includes equivalent series resistance (ESR) measurement for capacitors above 90nF and voltage drop rate display for capacitors over 5000pF to assess quality factor (Q value). · Inductance Measurement: Supports inductance measurement from 0.01mH to 20H for resistors up to 2100Ω, enabling comprehensive component analysis. · Fast and Efficient Testing: Typical test cycle completes within approximately 2 seconds, with longer durations for large capacitors and inductors. · Additional Functionalities: Includes frequency measurement from 1Hz to over 1MHz with ultra-high precision for signals below 25kHz, DC voltage measurement up to 50V, square wave signal output up to 2MHz, PWM signal generation with adjustable duty cycle (1% to 99%), and continuous capacitance testing capability even within circuits (powered off and discharged). · Infrared Remote Control Support: Decodes and encodes infrared remote control signals supporting TC9012 and upD6121 chip formats for enhanced versatility. · User-Friendly Controls: Features a rotary encoder switch for navigation, one-button measurement, and automatic shutdown to extend battery life. · Power Supply Options: Operates on a standard 9V battery (not included) or an external power adapter with low operating current (~30mA) and minimal standby current (~20nA) for energy efficiency. Specifications: · Item Type: GM328 Transistor Tester · Material: Durable Plastic · Color: Black Package Includes: · 1 x GM328 Transistor Tester The GM328 Transistor Tester is an indispensable tool for electronics professionals, hobbyists, and DIY enthusiasts who require precise, fast, and reliable testing of transistors, diodes, capacitors, resistors, inductors, and more. With its broad functionality and intuitive interface, it simplifies complex component diagnostics and accelerates troubleshooting in electronic circuit design, repair, and development.