DO70G

Product brand:

YOKOGAWA/YOKOGAWA

Product feature:

The DO70G sensor features excellent long-term stability and a short stabilization time. • The DO70G sensor uses a phase difference measurement method, enabling stable measurements over extended periods. • Measurement range: 0~25 mg/L • The sensor cap is easy to replace and can be operated by anyone.

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Measuring principle:

The DO70G uses a fluorescence measurement method. Its core principle is as follows: the surface of the sensor probe is coated with a special fluorescent substance, which emits fluorescence of a specific wavelength when irradiated with excitation light of a particular wavelength; when dissolved oxygen molecules come into contact with this fluorescent substance, the fluorescence is "quenched" or its intensity is reduced, and the higher the oxygen concentration, the weaker the fluorescence intensity. The sensor can accurately calculate the dissolved oxygen concentration in water by detecting changes in fluorescence intensity or fluorescence lifetime.

Product positioning:

Using scenario:

The DO70G fluorescent dissolved oxygen sensor is an ideal choice for the water treatment industry. It is mainly used in the aeration tanks and activated sludge processes of wastewater treatment plants for continuous online monitoring of dissolved oxygen. Its fluorescence-based principle offers advantages of fouling resistance and maintenance-free operation, providing stable and reliable data to support process control, help optimize treatment efficiency, and reduce energy consumption.

Range:

0~20mg/l

Max. process temperature:

50℃

Body material:

316(L)

Temperature sensor:

NTC

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2D/3D

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Summary

DO70G Product 说明

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