7-inch color touch screen, navigation operation;

Support the measurement of dissolved oxygen concentration, dissolved oxygen saturation, dissolved oxygen current and temperature;

Intelligent operating system with functions such as method management, electrode management, calibration management, data management and user management;

Support electrode management, up to 5 dissolved oxygen electrodes can be managed, each electrode can save 20 sets of calibration records; support calibration editing function, convenient calibration;

Support zero oxygen and full scale calibration, support automatic compensation of atmospheric pressure and temperature, support self-stirring dissolved oxygen electrode;

3 reading modes: Smart-Read: "Fast, Medium, Strict, Custom" multiple balance conditions are optional; Timed-Read: Timing termination measurement and timing automatic interval measurement 2 timing reading modes are optional; Cont-Read: Clearly grasp the continuous change process of the sample;

Supports storage of a maximum of 100 sets of measurement methods; supports storage of 1000 sets of dissolved oxygen concentration and dissolved oxygen saturation measurement results, in line with GLP specifications; has a data statistics function, allowing users to count, consult, analyze, compare and save the measurement results ；

Support USB, RS232 to connect to PC, serial printer; allow printing and output of measurement results;

Support Chinese and English languages; support firmware upgrade, support U disk hot swap; support direct connection to autosampler.

JPSJ-606L dissolved oxygen tester is mainly used for the measurement of dissolved oxygen content or concentration in water bodies such as tap water source monitoring, aquaculture farms, environmental protection, sewage treatment plants, beverage industry and scientific research units.