Analog TDS Sensor Module for Water Quality Monitoring
Measure the quality of your water with this Analog TDS Sensor Module. TDS stands for Total Dissolved Solids, which represents the concentration of dissolved particles in a liquid. This sensor is an excellent tool for building water quality monitoring systems, hydroponics controllers, and scientific experiments.
The sensor works by measuring the electrical conductivity of the water, which is directly related to the amount of dissolved ionic solids. The higher the TDS value, the more dissolved solids are present, which can indicate the level of impurities or nutrients in the water.
This kit includes a waterproof TDS probe and a signal converter board that outputs a simple analog voltage. This voltage can be easily read by a microcontroller like an Arduino to calculate the TDS value in parts per million (ppm). It’s a plug-and-play solution for adding water quality sensing to your projects.
Note: The TDS probe cannot be used in water above 55°C.
Key Features:
- Function: Measures Total Dissolved Solids (TDS) in water
- Output: Analog voltage (0 ~ 2.3V)
- Probe: Waterproof TDS probe included
- Wide Voltage Input: 3.3V to 5.5V
- Easy to Use: Simple 3-pin interface (VCC, GND, Analog Out)
- Connector: Standard PH2.0-3P connector
Applications:
This TDS sensor is ideal for a wide range of applications, including monitoring the quality of drinking water, checking nutrient levels in hydroponic and aquaponic systems, managing water in aquariums and swimming pools, and for educational water science experiments.





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