Product features_x000D_ _x000D_ 1. Intelligent control, LCD display_x000D_ 2. The battery internal resistance tester can measure the internal resistance and voltage of the battery at the same time_x000D_ 3. Used to measure the AC resistance of capacitors and low resistance value of high precision resistance_x000D_ 4. High precision, high efficiency, low cost, light weight, energy saving and environmental protection_x000D_ 5. Widely used in various battery production, maintenance, testing, scientific research laboratories and other occasions Product parameters_x000D_ _x000D_ Measuring parameters: AC resistance, DC voltage_x000D_ Basic accuracy: resistance 0.5%, voltage 0.5%_x000D_ Speed: 5 times/second_x000D_ Adjustment: Correction for resistance and voltage separately_x000D_ Measuring ranges:_x000D_ Resistance: 0.0001m~200_x000D_ Voltage: 0.0001V~100V direct current_x000D_ Resistance ranges: 6 ranges automatic and manual_x000D_ Voltage ranges: 3 ranges automatic and manual_x000D_ Language: Chinese and English switch at will_x000D_ Display results: LCD screen display, read only_x000D_ Battery: Built-in 1000mAh lithium battery (shipped with built-in battery)