AT518 Digital DC Resistance Tester, with high precision and wide range, adopts high-performance 32bits ARM processor for fully automatic real-time measurement. It can precisely measure the passive components in any suitation. This meter can measure resistance from 10μΩ to 20MΩ with max. display 20,000 dgt.  <br> <br> <strong>Features:</strong> <br> Adopts high-performance 32bits processor, measuring resistance range from 10μΩ to 20MΩ. <br> Built-in large capacity 8.4V 2200mAh rechargeable lithium battery(included) for long time use. <br> Handheld in design and high quality, portable for use. <br> Large digital colorful LCD screen for display, Max. display: 20.000 dgt. <br> The unique current measuring mode can adapt to meet the different needs for measurement. <br> Built-in temperature compensation module for temperature sensitive components. <br> Equipped with Mini-USB and USB-Disk interface, Mini-USB interface can apply to remote control, data acquisition and analysis. <br> Automatic power off, auto zero, data hold function, backlight adjustment. <br> Suitable for measuring switch contact resistance, connecting resistance, transformer, inducer, motor, deflection coil winding resistance, etc. <br> <br> <strong>Application:</strong> <br> All kinds of low, medium, high resistor;  <br> Switch contact resistance; <br> Enamel-insulated wire resistance;  <br> Relay/switch connector contacts;  <br> Transformer, inducer, motor, deflection coil winding resistance;  <br> Welding spot;  <br> Wire resistance;  <br> Metal riveting resistance of vehicle, vessels, airplane;  <br> Pure resistance;  <br> The resistance of motor and transformer; <br> Printed board line and hole resistance;  <br> Low resistance character of Electromechanical Components <br> <br> <strong>Specifications:</strong> <br> Measuring Parameters: DC Resistance <br> Accuracy: 0.05%  <br> Measuring Range: 10μΩ~20MΩ <br> Signal Source: Max. Current: &lt;1A; Current  <br> Mode: High Current, Low Current  <br> Range: Automatic, Manual, Nominal 10 Ranges  <br> Speed: 30 Time/Second; 15 Time/Second; 3 Time/Second <br> Result Display: ABS(Absolute Deviation)/Relative Deviation/SEQ(Sequence) <br> Max. Display: 20,000 dgt  <br> Calibration: Full Range Short Circuit for Reset <br> Comparator: Built-in Sorting Record, GD/NG Sorting Result Display <br> Trigger: Internal, Manual, Remote  <br> Interface: Built-in Mini-USB (Virtual Serial Port); Charging Interface; U-disc Interface  <br> Temperature Compensation：0~80°C，Accuracy: 0.2°C <br> Input: 100-240V 50/60Hz 0.35A  <br> Output: 9V 1A DC 8.4V, 2200mAh Rechargeable Li-Battery  <br> Size of Battery Meter: 21 * 12.5 * 4cm / 8.3 * 4.92 * 1.57in  <br> Weight of Battery Meter: 613g / 21.62oz <br> Package Size: 31 * 31 * 10cm / 12.2 * 12.2 * 3.94in <br> Package Weight: 1597g / 56.35oz <br> <br> <strong>Package List:</strong> <br> 1 * DC Resistance Tester <br> 1 * Storage Bag <br> 1 * USB Cable <br> 1 * Pair of 4-Port Test Clip <br> 1 * Power Adapter <br> 1 * Lithium Battery(included) <br> 1 * User Manual (English)