Laboratory bench Dissolved Oxygen meter, which is suitable for aquaculture, water source monitoring, waste water treatment and environmental protection monitoring and other industries, also widely used in education and scientific research fields. Features: ●7 inch color capacitive screen with high resolution (1024*600) and sensitivity, which can show more parameters, more intuitive and simpler to read data. ●Auto calibration, auto temperature compensation, data storage, USB data export, clock, wireless printing, function setup, smart self-diagnosis and other intelligent functions. ●English and Chinese operating system, humanized design with adjustable screen brightness. ●DO mode has functions of ATC, auto salinity compensation and auto pressure compensation. ● Bench DO meter is polarographic instrument and suggested to be used with our magnetic stirrer. ●Combined diaphragm cap makes it extremely convenient to replace the sensitive membrane just by screwing the new cap to the electrode. ●Optional real time data transfer to Android cell phone via wireless Bluetooth. ●IP54 dustproof and waterproof.