GM328A Transistor Tester – Precision & Versatility in One Tool

Accurate Component Testing
Professional-grade testing for transistors, diodes, capacitors, and ESR with high-resolution measurements. Ideal for electronics repair, prototyping, and quality control.
Multi-Function Signal Generator
Built-in PWM and square wave generator (1Hz-2MHz) for circuit debugging and development. Supports frequency counting up to 50MHz.
Durable & User-Friendly Design
Features an anti-static PCB, bright LCD display, and auto-shutdown to extend battery life. Compact and lightweight for lab or fieldwork.
Fast & Reliable Measurements
Automatic detection with quick results—perfect for engineers, hobbyists, and educators working on SMT soldering or DIY projects.
Global Wholesale Advantage
Lowest pricing for bulk orders, backed by worldwide shipping and full-category sourcing for seamless procurement. Upgrade your toolkit affordably.