- Amperometry 3 Electrode Digital Sensor- Membrane Cap & SolutionFREE CHLORINE SENSOR(3E)$0.00PriceQuantity*Add to CartProduct InfoNon-Reagent Free Residual Chlorine Sensor CL6H is a sensor that measures and transfers data of free residual chlorine in real time automatically and continuously. Specification Method US EPA Reagentless Amperometry Range 0~10/20 mg/L Resolution 0.001 mg/L Accuracy ±3.0%<pH 7.4, ±5.0%<pH 8.5 Repeatability ±2.0% Response time <90 sec
