
BA111
Single-channel TDS Sensor Interface ASICHighly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
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TDS, conductivity and temperature sensing for household purifiers, under-sink systems and filter-performance indication.

Application approach
TDS, conductivity and temperature sensing for household purifiers, under-sink systems and filter-performance indication.
Measurement points
Implementation
Products
Final selection depends on parameters, installation and validation.

Highly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
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Dual-channel sensing ASIC designed for inlet/outlet comparison in purification equipment.
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Single-channel conductivity and water-temperature ASIC for compact smart-water products.
Learn More →Insights
This article is intended for engineers, system integrators, and technical procurement specialists. It introduces the usage workflow, result interpretation, repeat measurement methods, and application boundaries of the Water Detective 4 portable multiparameter water quality tester in home water quality screening, helping readers determine when samples should be sent to a professional laboratory for testing.
Read Article →From sensor integration, cross-interference correction, calibration validation to field operation SOP, this article analyzes the engineering decisions behind the nine parameters of Water Detective 4, helping technical and sales teams understand its capability boundaries and avoid misusing it as a universal tester.
Read Article →For product teams integrating Water Detective 4 into water purifiers, formula milk makers, pet water fountains, and smart water appliances, this guide outlines the complete path from requirement definition, structural adaptation, firmware communication, calibration, to mass production verification, and explains the engineering boundaries of portable AI-based water quality detection.
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