DZB-712F portable multi-parameter analyzer is a multi-module all-in-one machine integrating pH meter, conductivity meter, Dissolved Oxygen Meter and Ion Meter, users can choose the corresponding measurement parameters and measurement functions according to their own needs.
1) Adopt 4.3-inch TFT touch screen, good operation interface, new UI design, navigation-based operation experience, support sliding operation;
2) 3 reading modes: Smart-Read: "fast, medium, strict, custom" multiple balance conditions are optional; Timed-Read: 2 timing reading modes are available: timed stop measurement and timed automatic interval measurement; Cont-Read: Clearly grasp the continuous change process of the sample;
3) Support manual/automatic temperature compensation;
4) pH/pX measurement module function:
●Support measurement of potential value, pH value, pX value, ion concentration value and temperature value;
●Support electrode calibration function, automatically identify GB, DIN, NIST and other pH buffer solutions, up to 5 points of calibration; Support standard group management function, allowing users to create their own standard solutions;
●It allows the measurement of a variety of conventional ions, and the instrument randomly provides a variety of commonly used ion modes such as: H+, Ag+, Na+, K+, NH4+, Cl-, F-, NO3-, BF4-, CN-, Cu2+, Pb2+, Ca2+, which is convenient for users to use;
●μg/L, mg/L, g/L, mol/L, mmol/L and multiple ion concentration units can be quickly switched;
●It has a variety of ion concentration measurement modes, including direct reading concentration measurement mode, standard addition measurement mode, sample addition measurement mode, and GRAN measurement mode.
5) Conductivity measurement module function:
●Supports measurement of conductivity, resistivity, total solid dissolved matter (TDS), salinity value, and temperature value;
●It supports the automatic identification of conductivity standard solutions, defaults to 4 GB standard solutions, and supports up to 2 corrections;
●Support a variety of conductivity compensation methods, including pure water compensation;
●In the full range range, it has the functions of automatic temperature compensation, automatic calibration, automatic range, automatic frequency switching, etc.;
6) Dissolved oxygen measurement module function:
●Supports measurement of dissolved oxygen concentration, dissolved oxygen saturation, dissolved oxygen current and temperature values;
●Supports zero-oxygen and full-level correction for dissolved oxygen; Support manual and automatic compensation of dissolved oxygen atmospheric pressure;
●It supports a variety of atmospheric pressure units: kPa, mbar, Torr, and Atm.
7)Support the storage of 500 sets of measurement results each, in line with GLP specifications; Support a variety of access methods, you can check the storage data according to the storage number and storage time, and the query results are displayed in the form of curves;
8)Support Chinese and English operation languages, support user ID management;
9) Support USB connection to PC; Firmware upgrade function is supported.
刘民娟; 刘代墉 - 《新型 PH 计和电导率仪操作方法简介》