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Breakthrough Luminescence Technology for Measurement of Dissolved Oxygen

The activated sludge process is one of the most widely used wastewater treatment systems in use today, and dissolved oxygen is a key parameter for ensuring that the organisms vital to a successful process remain viable.

The HACH LDO dissolved oxygen probe applies new luminescence technology to continuously monitor dissolved oxygen. The instrument controller can inform staff immediately of any changes in DO level, and can be integrated with a variable frequency drive or PLC control system to control the amount of oxygen being injected into the system. The instrument can be used effectively in a range of demanding applications:

• No calibration for one year
• Reduced cleaning frequency and simple maintenance
• 99% accuracy
• No electrolyte solutions to poison or replenish
• No membranes
• Three year probe warranty
• One year sensor warranty
EPA Recommended Method, to learn more visit: http://www.hach.com/hc/static.template/templateName=HcBridgePage.HcLDO-EPAInterim.htm To find out more about Hach's portable solution for LDO measurement visit: http://www.globalspec.com/FeaturedProducts/Detail/Hach/HQd_Meters_with_pH_Cond_DO_IntelliCAL_Probes/35523/1