Digital chlorine regulator in water, with microprocessor adjustment decoder and backlit LCD display, measuring range from 0 to 2 and from 0 to 10.00 mg / l. Automatic temperature compensation (probe excluded), 1 on-off set point and 1 digital proportional set point, alarm max. dosing, probe non-functioning alarm, with data memory up to 2,500 lines, pump alarm input and flow sensor, RS 485 output, in IP56 box.