1. Wide voltage operation: 3.3~5.5V <br> <br>2. 0~2.3V analog signal output, compatible with 5V, 3.3V two control <br> <br>3. The excitation source is an AC signal, effectively preventing probe polarization <br> <br>4. Waterproof probe for long-term immersion in water <br> <br>5. compatible, easy to connect, plug and play, no soldering required <br> <br>Input voltage: 3.3~5.5V <br> <br>Output signal: 0~2.3V <br> <br>Working current: 3~6mA <br> <br>TDS measurement range: 0~1000ppm <br> <br>TDS measurement accuracy: 10% F.S. (25Celsius) <br> <br>Module interface: XH2.54-3P <br> <br>Electrode interface: XH2.54-2P <br> <br>Number of probes: 2 <br> <br>Connection interface: XH2.54-2P <br> <br>Other: Waterproof probe <br> <br>Colour:Black+white <br> <br>Material:plastic <br> <br>Size:42x32mm <br> <br>Overall length: 83cm <br> <br>Package Contents: <br> <br>1 x TDS signal adapter board <br> <br>1 x Waterproof TDS probe <br> <br>1 x Analog sensor line <br> <br>Only the above package content, other products are not included. <br> <br>Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.