ANCEL PB500 Circuit Tester body { font-family: Arial, sans-serif; margin: 20px; } h2 { color: #333; } ul { list-style-type: none; padding: 0; } ul li { margin-bottom: 10px; } .specifications, .package { margin-top: 20px; } Features Multi-Functional: The ANCEL PB500 Circuit Tester performs 7 essential tests: DC Voltage, AC Voltage, Frequency, Duty Cycle, Fuel Injection Circuit Detection, Resistance, and Diode testing. Dual Display Mode: Easily switch between Waveform and Digital Display modes across four test modes for enhanced analysis. User-Friendly: Quickly diagnose 12-24V automotive electrical systems, displaying battery voltage and establishing circuit polarity for efficient troubleshooting. Advanced Testing Capabilities: Track and pinpoint short circuits without external fuses, and instantly test bad ground contacts to ensure reliability. Safe and Protected: Equipped with an internal circuit breaker, the PB500 is protected against short circuits, maintaining function while shielding the instrument from overloading. Specifications Supply Voltage: 8V DC to 30V DC DC/AC Voltage Test: -110V to 110V Frequency: 0Hz to 1MHz Duty Cycle: 0.0~100.0% Fuel Injection Voltage: 0~180V, Time: 0~25ms Resistance: 0~1MΩ Diode: Germanium and silicon diode Rating Current: 1A to 8A Operating Temperature: -10 to +60℃ Storage Temperature: -20 to +70℃ Dimensions (LWH): 200mm x 52mm x 39mm Net Weight: 1.2Kg Package Includes 1 x Vehicle Super Probe 1 x Probe Tip 1 x Crochet Hook 1 x Crochet Hook Extension Cable 1 x Battery Clamp Cable 1 x User’s Manual 1 x Rugged Blow Molded Case