Gravity: Analog TDS Sensor/Meter for Arduino - DFROBOT

Features : Wide Voltage Input: 3.3~5.5V Good Compatibility Output: 0~2.3V analog signal output, compatible with 5V or 3.3V controller AC Excitation Source: effectively prevent probe from polarization Waterproof Probe Easy to Use: Arduino compatible, simple connection, plug and play without soldering Specification Signal Transmitter Board Input Voltage: 3.3 ~ 5.5V Output Voltage: 0 ~ 2.3V Working Current: 3 ~ 6mA TDS Measurement Range: 0 ~ 1000ppm TDS Measurement Accuracy: ± 10% F.S. (25 ℃) Module Size: 42 * 32mm Module Interface: PH2.0-3P Electrode Interface: XH2.54-2P TDS probe : Number of Needle: 2 Total Length: 83cm Connection Interface: XH2.54-2P Color: Black Other: Waterproof Probe Documents https://www.dfrobot.com/wiki/index.php/Gravity:_Analog_TDS_Sensor_/_Meter_For_Arduino_SKU:_SEN0244 Shipping List : Analog TDS Meter for Arduino x1 Waterproof TDS Probe x1 3Pin Analog Sensor Cable x1