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1. Purpose:

Battery internal resistance testerBy adopting advanced AC discharge testing methods, it is possible to accurately measure the voltage and internal resistance at both ends of the battery, and use this to determine the quality of the battery capacity and technical status. Customers can choose the results of internal resistance testing, voltage testing, and capacity estimation of the battery according to their own situation as the basis for internal resistance matching when assembling new batteries; Testing the internal resistance of the battery before and after discharge is used to identify truly outdated batteries.

2. Characteristics

（1) Intelligent and digital, with multiple language operation menus available, accurate measurement, and simple operation.

（2) Weight not exceeding 0.45kg, handheld design, single person operation, automatic measurement throughout the process.

（3) Meet various battery internal resistance detection standards, collect a complete database of battery internal resistance parameters, and be able to customize battery standard internal resistance according to different batteries.

（4) The testing method is simple, will not affect the working state of the battery, and will not pose any safety hazards.

（5) The instrument itself can store 100000 battery test data and perform conclusive queries and analysis on the instrument. It can also export battery test data to a USB drivecomputerGenerate charts and curves for analysis.

（6) Test reports can be easily imported into Excel files and printed as reports in the specified format for easy management and to reduce workload.

（7) The four terminal method multi-purpose testing clip integrates functions such as testing clip and probe, and can adapt to over 98% of battery connection installation methods and battery pole forms.

3. The advantages of the four terminal testing clip

Four terminal testing clamp, suitable for most testing scenarios, with the front end of the fixture protruding6 cm metal testClip,The thickness is only3 millimeters. Convenient to reach under the connecting piece and directly contact the pole,Test clipThe inner side has serrations, which facilitate the removal of oxides and direct contact with the pole, thereby ensuring the stability and accuracy of the test results.

4. Advantages of testing probes

（1) FourendMethod test, the inner needle is insulated from the outer cylinder!

（2) The inner needle has a diameter of 1.3 millimeters, and the outer tube has a diameter of 3 millimeters. It is suitable for various connecting strip gaps and can be inserted through the hole of the pole sheath!

（3) The metal needle and syringe are coated with beryllium copper gold plating technology, which can adapt to various testing frequencies and currents!

（4) The wire is 1.8 meters long, the test pen is 0.36 meters long, and the entire battery pack can be tested without the need for a mobile device!

（5) The test pen adopts a two-stage design with an extended rod, which is convenient to carry and suitable for long-distance testing!

（6) Cooperating with the internal resistance tester's fully automatic testing program is more convenient and accurate!

（7）Connected to the host usingaviation connectorpatternAdapt to various frequencies and currents to ensure accurate testing!

5. Function

（1）Battery measurement：Can be used for single cell batteries, group batteries, or batteries+Internal resistance measurement and performance evaluation of connecting resistors (optional).

（2）data management：Open playback and transfer data recordsUSB flash drive, deletion and other operations, while also being able to format data records.

（3）System Administration：Including functions such as clock setting, parameter calibration, language selection, test waveform, file management, and software version information.