New Product Release
AUTOOL DM103 Digital LCR Tweezer for Circuit Board Testing#
In automotive circuit board testing, the capacitor loss factor D value is a key indicator of component performance. A smaller D value means lower loss and better capacitor condition, while a larger D value can point to higher loss, aging, damage, or quality problems.
Traditional digital or needle-type multimeters can usually measure capacitance only in a static state. They cannot fully check secondary parameters such as the D value, loss factor, or Q value, quality factor. That limitation can lead to misjudgment during board-level diagnosis and may increase repair time and cost.
Main Features
Main Features and Functions#
The DM103 is designed to reduce repeated gear shifting, show more diagnostic parameters, and keep small component testing readable during ECU, sensor, and automotive electronics repair.
6 Test Modes
The AUTOOL DM103 supports precise measurements of resistance, capacitance, inductance, diode, and continuity. It also synchronously displays main and secondary parameters, including RS, D, Q, Z, and X values.
This helps technicians identify component types and evaluate actual performance parameters faster, improving troubleshooting efficiency and repair accuracy.
Smart Component Recognition
The AUTOOL DM103 automatically identifies the component type, reducing the need for frequent gear shifting.
With automatic mode selected, it can quickly measure resistance, capacitance, and inductance, making batch component testing easier and more efficient.
HD OLED Color Screen
The AUTOOL DM103 features a self-illuminating HD color display with high brightness and clear data visibility.
The screen helps users read measurement data in strong light, dim environments, or tight work areas where ordinary displays can be difficult to view.
High-Performance Rechargeable Lithium Battery
The AUTOOL DM103 includes a built-in 400mAh lithium battery for long-lasting endurance.
With a full charge, it can operate continuously for up to 12 hours, which supports extended inspection and repair sessions.
Precision Gold-Plated Contacts
The AUTOOL DM103 uses high-precision fine contact probes with sensitive testing contacts.
The tweezer-style probe shape helps clamp small SMD electronic components accurately, meeting the needs of high-density circuit board testing.
Compact Board-Level Testing
For automotive electronics work, the tweezer format is useful when checking small resistors, capacitors, inductors, sensor coils, and board-mounted components.
It gives technicians a more direct way to clamp and measure parts on dense circuit boards during ECU and electronic control unit repair.
Software Online Upgrade
The AUTOOL DM103 supports software upgrades and feature updates through a Type-C data cable connected to a computer.
This helps the device maintain updated testing performance over time.
Summary
A Compact LCR Tool for Automotive Circuit Diagnosis#
The AUTOOL DM103 offers high-precision measurement, fast response, and intelligent component recognition for resistance, capacitance, and inductance testing in automotive circuits.
Whether checking sensor coils, repairing ECUs and electronic control unit boards, or modifying and troubleshooting circuits, it helps technicians obtain accurate measurements, locate faults faster, and complete diagnostics and repairs more efficiently.
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