Analog TDS sensor compatible with Arduino, used to measure the hardness and purity of water. It can be used for household, hydroponic and other water quality testing. Measures TDS in the range of 0 ppm to 1000 ppm. It is powered with the voltage from 3.3 V to 5.5 V. Waterproof probe, can be immersed in water for a long time Technical Data: Input voltage: 3.3~5.5V Output signal: 0~2.3V Working current: 3~6mA TDS measurement range: 0~1000ppm TDS measurement accuracy:±10% F.S. (25°C). Size: 42*32mm Module interface: PH2.0-3P Electrode interface: XH2.54-2P TDS probe: Number of pins: 2 Overall length: 83cm Connector plug: XH2.54-2P https://elecena.pl/product/22626329/water-conductivity-analog-tds-sensor 2023-02-23 https://elecena.pl/product/22626329/water-conductivity-analog-tds-sensor 2023-12-29 https://elecena.pl/product/22626329/water-conductivity-analog-tds-sensor 2025-06-09 https://elecena.pl/product/22626329/water-conductivity-analog-tds-sensor 2025-10-26 https://elecena.pl/product/22626329/water-conductivity-analog-tds-sensor 2025-10-28