ZOYI ZT-C4 Ultra-Compact Digital Multimeter
Introducing the game-changer for students, DIY makers, and electricians who need full multimeter functionality without the bulk. The ZOYI ZT-C4 proves that powerful measurement capabilities don’t require desktop-sized instruments – this palm-sized powerhouse delivers True RMS accuracy wherever your projects take you.
Key Features
• Ultra-Compact Design – At just 120×60×33mm, it’s one of the smallest multimeters available yet packs full functionality
• True RMS Measurement – Get accurate AC readings with professional-grade precision in a budget-friendly package
• Auto-Ranging Technology – No manual range selection needed – just connect and measure
• 4000 Count LCD Display – Clear, backlit screen with 2-minute auto-illumination for dark workspaces
• Complete Measurement Suite – Voltage, current (up to 10A), resistance, capacitance, frequency, and temperature
• Non-Contact Voltage Detection – Identify live wires safely without direct contact
• CAT II 600V Safety Rating – Professional safety certification for electrical work
• Instant Results – Auto power-off, data hold, and continuity buzzer for efficient testing
Technical Specifications
| Specification | Details |
|---|---|
| Dimensions | 120×60×33mm (4.7×2.4×1.3 inches) |
| Weight | 137.5g (4.85 oz) with batteries |
| Materials | ABS/PVC double-insulated construction |
| Power | 2 × 1.5V AAA batteries |
| Safety Rating | CAT II 600V certified |
| Display | 4000 count LCD with backlight |
| Temperature Range | -30°C to 1000°C (-22°F to 1832°F) |
| Accuracy | ±(0.5%+3) for DC voltage, ±(1.2%+3) for DC current |
The Innovation Story
The ZOYI C4 was born from a simple question: “Why should portability mean sacrificing accuracy?” Engineered specifically for the modern maker who works everywhere from cramped electronics benches to remote field locations, this multimeter revolutionizes portable testing by cramming full-sized functionality into a truly pocket-sized form factor – proving that the best tools are the ones you’ll actually carry with you.
Zoyi ZT-C4 Multimeter Review and Testing by @Sui778
