This is aarduinoCompatible withTDSSensor,For measurement of waterTDSThe value of,TDSValues can be of the water of reaction and cleanliness,Can be applied to domestic water,Hydroponic etc in the field of water quality testingCompatible5V,3.3VTwo kinds of control systemThe excitation source is an alternating-current signal,Effectively prevent the probe polarizationWaterproof probe,Long-term immersion in water measurementArduinoCompatible,GravityInterface,Simple connection,Plug-and-play,Without weldingSignal interface:Input voltage:3.3~5.5VOutput signal:0~2.3VWorking current: 3~6mATDSMeasurement range:0~1000ppmTDSMeasurement accuracy: +/- 10% F.S.(25 Celsius)Module Interface:PH2.0-3PThe electrode interface:XH2.54-2PTDSProbe:Probe number:2Overall length:83cmConnection Interface:XH2.54-2PColour: blackMaterial: plasticSize: 4.3x3.3cmPackage Contents:1 * TDS Signal interface1 * Waterproof TDS Probe1 * Gravity 3PIN The analog SensorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.