SENSOR; MODIFIER: CHLORINE; MANUFACTURER NAME: ENDRESS HAUSER; PART NUMBER:, CCS51D-AA11BF+NC; ADDITIONAL FEATURES: LIBR, E, DIAMETER 25MM, AMPEROMETRIC, MEMBRANE COATED, MEMOSENS SENSOR,, RELIABLE DISINFECTION FOR DRINKING WATER AND POOL WATER, SAFE, D IN FOOD INDUSTRY AND UTILITIES, SENSOR LOW MAINTENANCE, WIDE RANGE, MEASUREMENT: 0-200MG L FREE CHLORINE, STABLE MEASUREMENT, LONG TERM, QUICK RESPONSE TIME, RELIABLE PROCESS CONTROL,, FLEXIBLE INSTALLATION, AA HOM OLOGATION: NON-CLASSIFIC AREA, ICA DA, 11 APPLICATION: PROCESS WATER, AG