Online Optical Dissolved Oxygen Sensor

       The sensor is based on optical fluorescence lifetime quenching technique. Its technical procedure meets ASTM D888-09 standard for optical sensing of dissolved oxygen. This online sensor is developed to integrate with Yosemitech’s wireless monitoring system. Its rugged design and large measurement range make it ideal for sampling, flow cell, ground water and waste water measurements.

Applications

Aquaculture, waste water plant, river, stream, and ocean monitoring

Measurement Principle

The dissolved oxygen sensor measurement is based on well-known oxygen fluorescence quenching technology. When oxygen sensing membrane film is excited by blue LED excitation light, the sensing film will emit red emission light. The phase delay between blue excitation and red emission is a function of oxygen concentration present. By measuring the phase delay the dissolved oxygen concentration can be calculated.

Advantages of optical dissolved oxygen measurement

•       Easy use, no membrane, no electrolyte.

•       Long lifetime, maintenance free and less calibration.

•       No flow dependency and fast response.

•       Immune to electrical interference, no chemical interference.

Specifications

Range	Accuracy	Response Time	Drift	Temp. Accuracy	Temp and Barometer  Compensation
0-20mg/L or 0-200% air Sat.	±1%	10 sec	<1% per year	±0.2 ℃	Build-in &Automatic

about Us:

Headquartered in Suzhou Industrial Park, China, Yosemite Technologies designs and manufactures water quality monitoring equipment. Combining optical sensing and mobile internet technologies, Yosemitech brings innovative and cost competitive solutions to global water quality monitoring market. Yosemitech provides smart dissolved oxygen sensors based on state of art luminescent lifetime technologies. With different configurations intended for both field and laboratory uses, our products are ideal for measuring dissolved oxygen in wastewater, drinking water, aquaculture and general water quality applications.

Yosemitech focuses on smart sensor development with complete product offerings include turbidity, PH, conductivity, multi-parameter probes and more. Our smart meters and online controllers support wireless communications such as Bluetooth, Zigbee and GPRS. Together with cloud data services, we bring innovative IoT (Internet of Things) solutions to water quality monitoring market.

Yosemitech Innovation:

·The first in the industry USB powered

·Optical dissolved oxygen meter based on

·Luminescence lifetime technologies

Contacts:

Company：Yosemite Technologies Co., Ltd.

Address: Bldg NW-06, Ste 502,99 JinJi Lake Aue.,Suzhou Industrial Park

Phone: +86-0512-87663997,87663987,65970621

Fax: +86-0512-87663911

Email：sales@yosemitech.com

Official website: http://www.yosemitech.com/en/