BM25S4421-1

General Information

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The BM25S4421-1 is a digital output pH value water quality detection module, which integrates the pH detection, temperature detection and high-performance 24-bit Delta Sigma A/D converter. These features combined with algorithms make the module to have high accuracy, low power consumption characteristics, high product integration and small size. The pH value water quality detection module has automatic pH temperature compensation function and can automatically identify three calibration solutions, which can be used together with related product applications to effectively shorten the development process.

For communication, the I²C and UART communication modes are provided, which is more flexible in application. The module is suitable for applications such as pen pH meters, portable pH detectors and fish tank pH monitors.