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OCV TESTING MACHINE FOR 21700 CYLINDRICAL CELL

Features

Compatible with 18650 and 21700, modularized design, easy to changeover

Fully automatic loading & unloading, whole tray testing

Unique wiring anti-interference design for testing mechanism to avoid eddy current generation

Automatic calculation of K value and equipped with MES interface

Fully automatic calibration tooling, ensuring test accuracy of voltage and internal resistance

Basic Parameters

  1. First Time Yield：99.9%
  2. Positioning accuracy：0.5mm
  3. Equipment capacity：≥300PPM
  4. Voltage Testing Accuracy：a)Voltage range: DC 0~10000mV    b)Test accuracy: ±A(0.0035%Set+0.0005%FS)    c)Cylindrical cell voltage testing accuracy:± 0.2mV (support ± 0.1mV)
  5. Internal Resistance Testing Precision：a)Range of internal resistance: 0µΩ~3KΩ    b)Testing accuracy: ±0.0020%rdg. ±12µm    c) Testing frequency: 1KHz±0.2Hzc) Testing frequency: 1KHz±0.2Hz    d) Repeated testing accuracy of internal resistance of cylindrical cell: ± 0.2~0.5mΩ

Standard Configurations

  1. Cell OCV and ACIR testing
  2. Equipped with calibration tooling for calibration and zeroing
  3. Chamber ambient temperature detection
  4. Automatic calculation of K value

Optional Configurations

  1. NG sorting
  2. Equipped with smoke sensor
  3. Equipped with cold air channel and fan to maintain the uniform temperature of the chamber

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