This Conductivity Sensor (MTI.WQMS.PBS.301EC) mi has a good measurement of the ability of aqueous solutions to transfer electrical current.
Conductivity Sensor (MP301 EC)
SKU: MTI.WQMS.PBS.301EC
Conductivity Sensor
• Principle: A pair of platinum gauze electrode
• Range: 1us/cm-2000 us/cm（K=1）, 100us/cm-100ms/cm（K=10.0）
• Resolution: 0.1us/cm~0.01ms/cm（Depending on the range）
• Accuracy: ±3%