1. Upgraded Intelligent Digital Display for Wider Voltage Range
The P55PRO Automotive Circuit System Analyzer is an upgraded, high-efficiency diagnostic tool designed for professional electrical testing. With a newly enhanced digital display and support for 1–60V voltage detection, it offers expanded testing capability for automotive and machinery wiring systems.
2. Comprehensive Wiring & Circuit Diagnostics
The P55PRO integrates a wide range of essential diagnostic functions to simplify complex automotive electrical work:
Component Activation — Powers components directly to verify operation
Continuity Test — Identifies open circuits quickly
Ground Wire Inspection — Checks for bad grounds and wiring issues
Short Circuit Tracing — Locates shorts and damaged wires in harnesses
Positive & Negative Testing — Quickly identifies voltage polarity
Voltage Detection (1–60V) — Accurate measurement for more applications
This all-in-one capability greatly improves workshop efficiency.
3. Designed for 12–24V Vehicles & Heavy Equipment
Built for versatility, the P55PRO supports diagnostics on:
Passenger vehicles
Trucks & vans
Motorcycles
Excavators & construction equipment
Marine electrical systems
Agricultural & industrial machinery
Its wide voltage detection range makes it suitable for both low-voltage and higher-voltage circuit checks.
4. Durable Construction & Safe Operation
The P55PRO features a strong ABS housing, stable structure, and ergonomic design for daily workshop use. For safety, it includes:
Automatic Overcurrent Protection — Internal circuit breaker trips above 8A
Clear digital tube display for voltage visibility
This ensures reliable operation even during intensive diagnostics.
5. Ideal Tool for Automotive Technicians & Electricians
Whether diagnosing wiring faults, activating components, or tracing short circuits, the P55PRO delivers professional-grade performance that enhances speed, accuracy, and troubleshooting efficiency.
✅ Technical Specifications
Model: P55PRO
Shell Material: ABS
Size: 135 × 35 × 20 mm
Weight: 0.218 kg
Operating Voltage: 6–30V
Voltage Detection Range: 1–60V
Display Type: Digital tube display
Overheat Protection: No
Overcurrent Protection: Automatic breaker trips above 8A
Software Update: No
