Capacitance Meters, Voltage Resistance Tester DB9 Interface 0.00V-±120V 0.000mΩ‑500Ω Battery Resistance Test Tool for RV Truck Boat

Feature:1. LARGE LCD DISPLAY: 3.2 inch 55x57mm TN color high definition LCD screen, providing textured display. Automatic switching of resistance and voltage range, simultaneous measurement and synchronous display.2. TESTING RANGE: The voltage range is DC0.00V to ±120V, the internal resistance range is 0.000m500, 6 levels resistance automatic switching. Suitable for measuring all batteries within 120V and 03000AH.3. ACCURATE MEASURING: The tester adopts 1KHz AC low resistance measurement and noise reduction technology, and can measure under the running state of the object. 4 line Kelvin testing method to avoid the influence of wire resistance and contact resistance.4. CONVENIENT TO USE: No need to distinguish between positive and negative poles during use, and play. Equipped with universal DB9 interface, it facilitates users to connect to various battery universal testing devices. It also has a battery filtering function.5. LIGHT AND BATTERY: With backlight screen display and top LED flashlight lighting, it can operate normally even in dim environments. Equipped with a built in 1250mAh lithium battery for power supply, it can last up to 10 hours of operation.6. WIDE APPLICATION: This battery internal resistance tester is suitable for acid battery, lithium battery, NiCd battery, alkaline battery, etc., for AA, AAA, button battery, 6F22, etc. Suitable for motorcycles, cars, trucks, boats, RVs, ships, etc.7. EXCELLENT MATERIALS: The battery internal resistance tester uses TPR (thermoplastic rubber) and ABS materials, with a thickened design, impact and erosion resistance, providing comprehensive guard, greatly improving service life.Specification:Item Type: Battery Internal Impedance TesterProduct Model: IR502Screen: 3.2 inch TN Color HD LCD screen with Auto Shutoff FunctionBattery Types: Acid Battery, Lithium Battery, NiCdBattery, Alkaline BatteryVoltage Range: 0.00V to ±120VImpedance Range: 0.000m to 500Maximum Input Voltage: DC120V (no need to distinguish positive and negative poles), Cannot Input ACCurrent Range: 50mA-50uA ACMeasurement Speed: 3 times/secondMeasurement Signal Frequency: 1KHzVoltage Range Test: Auto or Manual SelectionResistance Range Test: Auto or Manual SelectionTest Method: 4 Line Kelvin Testing MethodUser Self Calibration: SupportFactory Reset: SupportLighting Function: SupportBattery: 1 x 1250mAh rechargeable lithium battery, continuous working time up to 10 hours (built in battery)Package List:1 xTester1 x Test Cable1 x USB Cable1 x User Manual1 x Storage Bag

• Accurate voltage range from 0.00V to ±120V for versatile testing applications.
• DB9 interface ensures compatibility with various devices and easy connectivity.
• Measures battery resistance from 0.000mΩ to 500Ω, for RVs, trucks, and boats.
• Compact and portable design for convenient use in automotive and marine environments.
• User-friendly interface with clear display for quick and efficient readings.