Product Description
A DM303 handheld diagnostic instrument that combines multimeter and oscilloscope functions for automotive electrical testing. The supplier lists 500 kHz bandwidth and applications including cranking, injector, relay, ignition, K-line, and CAN-bus signal checks.
Key Features
- Combined oscilloscope and multimeter functions
- Supplier-listed 500 kHz bandwidth
- Automotive circuit and signal-testing applications
- Black housing; battery is not included
Vehicle Compatibility
Universal diagnostic instrument; no year, make, or model fitment is claimed. Confirm the meter ranges, probe connections, and supported signal type against the service procedure before testing.
Application Note
Read the operating manual before use, install the specified battery, select the correct test mode and range, and connect probes only to documented test points. Signal interpretation requires suitable diagnostic knowledge.
Safety Note
Use properly rated test leads and circuit protection. Do not probe airbags, high-voltage hybrid/EV systems, or energized circuits beyond the instrument rating without qualified training.
Independent Reseller Notice
Parts Island independently resells this product and is not its manufacturer unless the listing expressly states otherwise. Any company, brand, product, vehicle, or model names shown or referenced are used only to identify the product, design, or compatibility. All third-party marks remain the property of their respective owners.
