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Battery Internal Resistance Tester High Precision Measuring Instrument
This instrument adopts the high-performance single-crystal microcomputer chip imported from ST Microelectronics, combined with the American “Microchip” high-resolution A/D conversion chip as the measurement control core, and the precise 1.000KHZ AC positive current synthesized by the phase-locked loop is used as measurement signal source apply on the tested element. The generated weak voltage drop signal is processed by high-precision operational amplifier, and the corresponding internal resistance value is analyzed by intelligent digital filter. Finally, it is displayed on large screen dot matrix LCD.
The instrument has the advantages of high precision, automatic file selection, automatic polarity discrimination, fast measurement and wide measurement range.
Chengdu Heltec Energy Technology Co., Ltd.
Battery Internal Resistance Tester
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