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Water Quality Measurement Solutions A Watts Water Technologies Company OnLine Residual Chlorine Monitor The HF scientific QZXI OnLine Residual Chlorine Monitor is an economical and low maintenance instrument for chemical or industrial processes that require continuous monitoring and control of residual Free or Total Chlorine levels. User selectable cycle times, 4-20mA and RS-485 with Modbus output that can be used to control feed pumps and user selectable alarms allow complete manual or automatic control of chlorine dosing. The instrument is housed in a strong, shatterproof case with easy access to all service High range model now Standard Features • Free or Total Chlorine Can be used for Free or Total Chlorine measurements Low Reagent use translates into low operating cost • Simple Operation Designed for unattended operation up to 30 days Uses inexpensive DPD chemistry rather than expensive electrodes • User Selectable Cycle Times Cycle times can vary between 110 seconds to 10 minutes (optional 60 • Microprocessor Based Technology Microprocessor based technology ensures high quality at the industry's lowest price Two User Selectable Alarms for Sample Concentration • Drinking Water, Wastewater and More • USEPA Accepted Methodology Standard Method 4500-CI G, DPD colorimetric method Lloyds Register Test Specification for Vibration and 22 Degree Tilt Test EC 6-parameter Environmental Marine Test for high humidity, high temperature (86°C), low temperature (-5°C), salt spray • Certified byABS (American Bureau of Shipping) for marine use Ordering Information CDC OnLine Chlorine Residual Monitor for Free or Total Chlorine. Complete with Operating Manual. Reagents must be purchased separately. If the application combines high humidity with cold sample water, purchase a #09944 Desiccant Cartridge separately. Specifications subject to change without notice. * Operating temperature of CLX Monitor 0° - 55°C Operating temperature for 30-day reagent life 0° - 40°C Reagent life will be <30 days operating monitor above 40°C Free Chlorine 30 day supply Total Chlorine 30 day supply Free Chlorine 60 day supply Total Chlorine 60 day supply Free Chlorine 12 month supply Total Chlorine 12 month supply 3170 Metro Parkway, Ft. Myers FL 33916 e-mail: hfinfo@watts.com ph: (239)-337-2116 • fax: (239) 332-7643 • toll free: 888-203-7248 WWW.hfscientific.com *Just Add Water (and supplied DPD reagent) "User must add Sulfuric Acid, Sodium Hydroxide with cover removed showing