HG-7020 pages

HYDROGUARD® HG-702

Colorimetric Free and/or Total
Chlorine Analyzer for Water
Analysis and Control
Customized Multi-Parameter Systems
The HYDROGUARD® HG-702 is the best in its class,
bringing the accuracy of the lab test to online water
quality measurements. The proven colorimetric DPD
(N,N-diethylp-phenylenediamine) chemistry is the most
accurate method for measuring free and/or total
residual chlorine. The analyzer adapts to each site’s
unique needs by allowing a combination of
measurements, such as pH, temperature, turbidity,
conductivity, flow and control in a single system.

Applications
• Municipal Water Treatment
• Power Industry
• Dialysis Equipment
• Food and Beverage
• Cooling Towers
• Desalination Plants

Reduced Total Cost of Ownership
HYDROGUARD® HG-702’s longer maintenance intervals
and detailed maintenance reminders and alarms
provide useful information about incidents, timing and
causes so that you can respond effectively.
HG-702 analyzers perform self-calibration and selfcleaning and show long-term stabilization. Manual
procedures such as periodic reagent replacement are
easy to perform and do not require specialized skills.

Free and/or total chlorine 0-10ppm
Configurable measurement Interval: 2 to 10 minutes
Low reagents (DPD) consumption (~0.03ml/sample)
Self zero measurement before each reading, enables
“0” reading
Reagent mixing, sample de-bubbling and cell
cleaning all performed by one unit
Works in harsh conditions (sea water, colored water
and water with oil)
Accurate and reliable measurements
Multiple parameters in a single system
Meets IP-65 (NEMA 4) standards
Turbidity 0-100NTU (optional)
Conductivity 0-10,000µS/cm (optional)

Proven Results
Based on HYDROGUARD®’s proven platform,
HYDROGUARD® HG-702 provides the best accuracy and
resolution in the low chlorine range with a fast response
time. A complete, flexible solution to fit a variety of
applications.

Your Water Quality Partner