Yosemitech Technologies Co., Ltd. products

When blue light excites sensor film, the sensing film emits red light. The phase difference between the blue excitation and returned red emission is measured, and the result is used to calculate DO concentration.

The DO sensor is based on well known oxygen fluorescence lifetime quenching technique. Its technical procedure meets ASTM D888-09 standard for optical sensing of dissolved oxygen. Its rugged design and large measurement range make it an ideal solution for water quality measurement  on streams, rivers, lakes, estuaries, and coastal waters.

-20mg/L or 0-200% Saturation.  0~50 ?;IP68 rating. Membraneless, no electrodes design. No oxygen consumption.  Flow Independent. Automatic temperature compensation. No H2S Interference. Low Drift, fast response, and more accurate. Low Maintenance, low operating cost. Easy sensor cap replacement. RS-485; MODBUS protocol compatible. 

Y600-A&Y507-A Handheld ODO Meter, with automatic temperature and pressure compensation, salinity manual input compensation function; It supports automatic locking of dissolved oxygen detection value and setting of filtering mode. The dissolved oxygen detection has high accuracy and stability, and can be used in unstable conditions of aeration tank, sewage plant and other water bodies with higher effect.

Our Optical dissolved oxygen sensor measures  dissolved oxygen using the principle of oxygen dynamic  luminescence quenching technique. When blue light  excites sensor film, the sensing film emits red light. The  phase difference between the blue excitation and  returned red emission is measured, and the result is  used to calculate DO concentration.

DO monitoring is the most critical water quality parameter in aquaculture.  Our ODO series aquaculture optical dissolved oxygen sensor is specially  designed for aquaculture applications. With embedded temperature sensor and  robust RS485 digital signal output, the sensor can be seamlessly connected to  our online controller. The sensor can be easily integrated into wireless  sensor network and automation controls.

Yoesemite‘s Y552-B self-cleaning COD sensor is based on the UV absorption principle, does not need reagents, will not cause pollution, more environmental protection; Integrated self-cleaning brush, easy to install and use, even long-term online monitoring still has excellent stability.

UV254 COD sensor features highly reliable UVC LED for light absorption measurement. This proven technology provides reliable and accurate analysis of organic pollutants for water quality monitoring at low cost and low maintenance. With rugged design, and integrated turbidity compensation, it is an excellent solution for continuous monitoring of source water, surface water, municipal and industrial wastewaters.

UV254 COD sensor features highly reliable UVC LED for light absorption measurement. This proven technology provides reliable and accurate analysis of organic pollutants for water quality monitoring at low cost and low maintenance. With rugged design, and integrated turbidity compensation, it is an excellent solution for continuous monitoring of source water, surface water, municipal and industrial wastewaters.

Yosemitech Y561-A online ammonium ISE sensor measures ammonium electron concentration without using any chemicals. No reagent, no pollutants, more economic and environmentally friendly. The sensor uses pH, Ammonium Ion electrodes, and an optional potassium ion electrode to determine the NH4+-N concentration.It is designed for use in all kind of natural water, such as lakes, streams, rivers, as well as wastewater plants.