Profile: Hach Lange Ltd. is a supplier of water treatment analysis. One of our controllers has accessories like SC analyzer, turbidity, bypass, SC probes, GE apparatus & supply, and SC sensors. Our SC analyzer provides digital sensor for continuous measurement free, active chlorine for operation with a SC controller. Our SC-technology ensures a safe and interference free communication between sensor and controller. Our sensor is panel mounted & equipped with a flow thru cell & flow regulator which guarantees a continuous and stable sample flow. Our SC platform is the ideal interface between user and plant with simple handling, proven versatility, and sustainable efficiency. Our hardness analyzer is a microprocessor controlled online instrument to measure high concentrations of soluble hardness in water. It uses a colorimetric method which gives exact values, in combination with low costs and maintenance.