DO71 and DO72 Optical Dissolved Oxygen Sensors Flyer

Co-innovating Sustainable Solutions

Yokogawa is committed to developing sustainable solutions for the environment, for society, and for our customers. We co-innovate energy-efficient technology that improves automation processes and provides real-time data visibility to enable agile responses to business and market dynamics.
 

Yokogawa’s leading-edge technology and extensive application know-how enable partnerships with customers in developing solutions to optimize processes and sustain value over the entire plant lifecycle.

The Optical DO sensor offers reduced maintenance time and longer maintenance cycles.

• No membranes to replace
• Simple maintenance with cap replacement
• Not affected by sample flow
• No electrolyte to refill every 6-8 months
• Long-term stability
• No transmitter needed, direct connection to any host capable
• Dirt resistant structure
• No cleaning and calibration needed monthly
• No waiting after routine maintenance – fast response time

Target Applications

• Raw Water Withdrawal
• Deaerator Outlet
• Boiler Feed Water
• Stator Cooling
• Aeration / Oxidation
• End Treatment / Effluent
• Sludge Activation
• Fish Farming

New Optical DO Features

• Integrated in a compact 12 mm stainless steel body
• Wide (0-25 mg/l) and trace (0-2 mg/l) operating ranges
• Detection limit of O2 / 20 ppb or 1 ppb DO,
• No polarization time – immediately able to start measuring
• Simple integration
• Communication via RS485 Modbus RTU
• Integrated temperature sensor for temperature compensation
• Low power consumption
• DO71-W is waterproof, and can be submerged in water (IPX8)

See what the next-generation of smart instrumentation devices can do for you!