The Analog TDS Sensor Module measures Total Dissolved Solids (TDS) in water – a key indicator of water quality. It comes with a waterproof probe and gives an analog voltage that Arduino or ESP32 can convert to ppm, which makes it ideal for drinking water testing, RO monitoring and hydroponics.
| Measurement | TDS 0 – 1000 ppm |
|---|---|
| Accuracy | ±10% F.S. (at 25 °C) |
| Supply voltage | 3.3V – 5.5V |
| Output | Analog 0 – 2.3V |
| Probe | Waterproof, detachable |
What is the operating voltage?
3.3V – 5.5V.
Can the probe be left in water?
Yes, the probe is waterproof; the module board must be kept dry.
How accurate is it?
About ±10%; add a DS18B20 for temperature compensation.
Can I buy the Analog Water TDS Sensor Module in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
