7-inch color touch screen, navigation operation;

The instrument supports pH/pX module, conductivity module, and dissolved oxygen module; supports any combination of measurement modules, and allows up to 4 sets of measurement modules of any type to be connected, plug and play;

Depending on the installed measurement module, different parameters are allowed to be measured:

pH/pX measurement module: potential value, pH value, pX value, ORP value, ion concentration value and temperature value;

Conductivity measurement module: conductivity, resistivity, total dissolved solids (TDS), salinity and temperature;

Dissolved oxygen measurement module: dissolved oxygen concentration, dissolved oxygen saturation, dissolved oxygen current and temperature value;

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

Support electrode management, up to 5 pH electrodes, 5 ion electrodes, 5 ORP electrodes, 5 conductivity electrodes and 5 dissolved oxygen electrodes; each electrode can save 20 sets of calibration records; support calibration editing function, convenient for calibration ；

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;

Standard solution group management, automatic identification of 25 buffer solutions such as GB, DIN, NIST, etc., allowing users to create their own pH standard solutions; support automatic 1-6 point calibration; support manual/automatic temperature compensation;

Allows the measurement of a variety of conventional ions, the instrument provides a variety of commonly used ion modes such as: H+, Ag+, Na+, K+, NH4+, Cl-, F-, NO3-, BF4-, CN-, Cu2+, Pb2+, Ca2+ , Convenient for users to use;

Fast switching of various ion concentration units of μg/L, mg/L, g/L, mol/L, and mmol/L;

It has multiple ion concentration measurement modes, supporting direct reading concentration measurement mode, standard addition measurement mode, sample addition measurement mode, and GRAN measurement mode.

Support automatic identification of conductivity standard solution, default 4 kinds of GB standard standard solution, support up to 5 points of multi-point calibration;

Support multiple conductivity compensation methods including pure water compensation;

Support a variety of salinity compensation methods including seawater salinity compensation;

Support intelligent frequency conversion, one electrode can cover the common measurement range of 0-200 ms/cm;

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

Support storage of up to 100 sets of measurement methods;

Supports storage of 1000 sets of pH, ORP, pX, ion concentration, conductivity and dissolved oxygen 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.