High-precision measurement of battery internal resistance and voltage.
Impedance Measurement (0~3Ω) | Range | Display Range | Resolution | Current | Accuracy |
| 3mΩ | -3.3 ~ 3.3mΩ | 0.1μΩ | 250mA | ±0.4% | |
| 30mΩ | -33 ~ 33mΩ | 1μΩ | 100mA | ±0.3% | |
| 300mΩ | -330 ~ 330mΩ | 10μΩ | 10mA | ±0.3% | |
| 3Ω | -3.3 ~ 3.3Ω | 0.1mΩ | 1mA | ±0.3% | |
Voltage Measurement (0~60V) | 6V | -6.6 ~ 6.6V | 10μV | - | ±0.01% |
| 60V | -66 ~ 66V | 100μV | - | ±0.01% |
High-precision data monitoring to ensure testing accuracy.
Pairing a high-precision ADC with a high-speed DAC can significantly enhance sampling accuracy and reduce noise interference.
FPGA + high-speed DAC ⇨ ultra-high-precision DDS;
4096-point ultra-fine representation of sine wave;
Frequency error as low as ±0.02Hz;
Dual-channel ADC + FPGA high-speed parallel processing unit, DFT + FIR calculation ⇨ ultra-high-precision impedance.
High-speed network communication not only improves data uploading speed and remote operation speed, but also seamlessly integrates with the new Weiwei battery testing system.
● Impedance Measurement
● Voltage Measurement
● Reactance Measurement
● Complex Impedance Measurement
● Impedance Phase Angle Measurement
Measures 5 types of data for comprehensive battery monitoring: internal resistance, voltage, reactance, complex impedance, and impedance phase angle.
2U-sized impedance meter chassis, convenient for integration into rack-mount cabinets, compatible with battery testing systems, capable of testing internal resistance performance in different SOC states and cycling conditions. When paired with the Newway OCV machine, it can measure open-circuit voltage and AC impedance of battery cells, facilitating rapid automated cell sorting.
Utilizing high-performance NXP processors to swiftly respond to various task requirements, enhancing device performance; Intel Cyclone IV FPGA, integrating 10320 LEs, 414Kbits of memory, and 23 18x18 hardware multipliers, enabling highly efficient DFT and FIR digital filtering computations.
| Equipment name | BT-9562 |
|---|---|
| Measure the project | Internal resistance / Voltage / Reactance / Impedance / Impedance phase angle |
| Measurement method | AC 4-terminal method (1kHz±0.02Hz) |
| Rated voltage | |
| Rated input voltage | DC±60V |
| Maximum rated voltage to the ground | DC±70V |
| Input impedance | About 200 kΩ |
| Sample rate | 1~50PLC（50Hz, 1PLC=20ms; 60Hz,1PLC=16.67ms） |
| Trigger source | Internal / External |
| Trigger delay | Delay time: 0~9.999s |
| Mean filter | 1~16 times |
| Computational function | Total data, valid data number, maximum, minimum, mean, standard deviation, main standard deviation, Cp, CpK (engineering capability index) |
| Peripheral interface | 100M Ethernet、RS-232C 、USB |
| Outside I/O | 2 input (for triggering input), 4 output (for battery sorting) |
| Measurement value storage function | 1,000,000 groups |
| Parameter read and save | The 1,000 sets of comparator settings |
| Other functions | Excessive range display, Measurement anomaly detection, Self-calibration, Lock key |
