PD3.1 Power Delivery tester with a color LCD that displays multiple PD protocols and measures voltage up to 28 V for precision performance testing and device diagnostics. Ideal for electronics engineers, quality management teams, and technology enthusiasts who require compliant load testing during product development or manufacturing inspections. Dual USB-C inputs with touch cycle control and memory retention; switching circuitry between 5 V and 28 V; live data tracked by the built-in digital voltmeter/ammeter. Optimizes production line efficiency by testing power adapters, power packs, and USB-C cables and assemblies. Use scenarios: - In the R&D lab to verify PD3.1 compliance of new USB-C devices and chargers during development. - On the manufacturing line for QC to validate adapters, cables, and USB-C accessories. - For prototyping and troubleshooting by engineers or hobbyists needing real-time voltage and current data.