2PCS TDS Sensor Water Conductivity Meter, 0-1000ppm Analog Output Sensor Module with Waterproof Probe, Compatible with Arduino for Hydroponics, Labs, Water Quality Testing EK2169

Description

• Wide Voltage Input: 3.3V to 5.5V
• Working Current: 3 ~ 6mA, TDS Measurement Range: 0 ~ 1000ppm
• Good Compatibility Output: 0 to 2.3V analog signal output, compatible with 5V or 3.3V controller.AC Excitation Source, effectively prevent probe from polarization
• Easy to Use: Arduino compatible, simple connection, plug and play without soldering. You can build a TDS detector easily to measure the TDS value of liquid
• It can be used in water quality application, such as domestic water, hydroponics. So you can easily DIY water purity tester