Diagnose automotive electrical issues with precision using this professional 2-in-1 tool designed for comprehensive circuit testing and relay fault detection.

FEATURES
- Advanced 2-in-1 Testing Capability: This device combines a high-precision circuit tester with a dedicated relay diagnostic tool, allowing users to troubleshoot complex automotive electrical systems efficiently with a single, compact unit.
- Comprehensive Circuit Diagnostics: The tester performs a wide array of essential checks including voltage testing, polarity identification, and continuity verification. It also supports specialized tasks such as short circuit detection, leakage testing, and drive testing.
- Dual Voltage Relay Support: Engineered to handle both 12V and 24V automotive relays, this tool is compatible with both 4-pin and 5-pin configurations, providing a versatile solution for a broad range of vehicle electrical components.
- Precise Fault Identification: Easily detect critical relay failures including contact sticking, coil burnout, and abnormal engagement. The device provides immediate feedback to help prevent electrical malfunctions and ensure vehicle safety.
- Professional Workshop Application: Designed for durability in demanding environments, this tool operates effectively between -10°C and 60°C, making it suitable for professional mechanics and DIY enthusiasts working on cars or trucks.
SPECIFICATIONS
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Voltage: 3-36V
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Operating Temperature: -10~60℃
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Model: DW823 / DW833
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Test Functions: Voltage, Polarity, Continuity, Short Circuit, Leakage, Drive Test
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Relay Compatibility: 12V/24V (4-pin and 5-pin)
- Size:

PACKAGE
- 1 x 2-in-1 Automotive Circuit & Relay Tester
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