Theprocess-photometertestomat2000 CLFisawet-chemicalonlineinstrumentformonitoringthecontentoffreechlorine(CLF)inthe0 2.5mg/l(ppm)range.Analysisviaautomaticdosingoftworeagents;theanalysisresultisdisplayedafterareactiontimeofapprox.twominutesApplicationarea:MonitoringofchlorinationplantsfordrinkingwaterorswimmingpoolsProvidesprotectionforreverseosmosismembranes.Incl.2independentlyprogrammablelimitvaluecontactsformonitoringandcontrollingtasks;theanalysisresultisrecordedviaanoptionalprinterboard(currentinterfaceSK910)foraprinter(0/4 20mA).Requiredreagents:CL2250AandCL2250B