Aoleaby Signet Flow Transmitter 3-9900-1P Meter Head PH/ORP Conductivity Sensor(3-8050 with 3-9900-1 Base)
Garosa Water Conductivity Sensor, Domestic Water Hydroponics Sensor with Waterproof Probe for Liquid Quality Monitoring Detection Tester Module Parts
CQRobot TDS (Total Dissolved Solids) Meter Sensor Compatible with Raspberry Pi/Arduino Board. for Liquid Quality Analysis Teaching, Scientific Research, Laboratory, Online Analysis, etc.
Apera Instruments Value Series EC20 Conductivity (EC) Pocket Tester Kit, ±1% F.S Accuracy in 0 to 20 mS/cm, BPB Sensor