For the continuous, colorimetric online determination ofphenol per AFNOR T90-109. Available in separate measuring ranges :Analyzer Topaz Phenol LR: 0 to 5 ppmAnalyzer Topaz Phenol HR: 0 to 20 ppm Complete system including measurement and controlelectronics, measuring unit, flow indicator, reactionchamber and reagent dosing system. With sample dilution for Topaz Phenol HR. Robust, high quality analyzer cabinet painted stainlesssteel, 316L. Automatic, electrical zero measurement prior to eachmeasurement cycle. Automatic cell cleaning. 4 (LR) or 5 (HR) easily accessible peristaltic pumpmodules for accurate, automatic dosing of chemicalreagents. 2 analog and 7 digital outputs for alarms for processvalues and diagnostic alarms for each sample stream. RS485 Modbus/JBUS RTU interface.Colorimetric, UV Digestion to NO3, hydrazine Reduction, NED+SAN0-5/10/20/50/100/ 200/1000 ppm NOutput Signal: 4-20mA ; RS-485Measuring Cycles - 9 to 10 minAutomatic Calibration