Acidity meter, ph meter classification: application classification, instrument accuracy, reading indication, component type classification; and what is a laboratory pH meter, what is an industrial pH meter.
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â‘´Classification according to application occasions: it can be divided into pen-type PH meter, portable PH meter, laboratory PH meter and industrial PH meter. The pen type pH meter is mainly used to replace the function of pH test paper, and has the characteristics of low precision and convenient use. Portable pH meters are mainly used for on-site and field measurement methods, which require high accuracy and perfect functions.
⑵According to the accuracy classification of the instrument: it can be divided into 0.2 grade, 0.1 grade, 0.02 grade, 0.01 grade and 0.001 grade. The smaller the number, the higher the accuracy.
⑶ Classification according to reading instructions: can be divided into two types: pointer type and digital display type. Pointer pH meters are now rarely used, but pointer meters can display the continuous process of data changes, so they are also used in titration analysis.
â‘·Classification according to the type of components: it can be divided into transistor type, integrated circuit type and single-chip microcomputer type. Now more is the application of microcomputer chips, which greatly reduces the size of the instrument and the cost of a single machine; but the cost of chip development is very expensive. Laboratory pH meter: The laboratory pH meter is a desktop high-precision analytical instrument that requires high precision and full functionality, including printout, data processing, and so on.
Industrial pH meter: The industrial pH meter is used for continuous measurement of industrial processes. It must not only have a measurement display function, but also have an alarm and control function, as well as installation, cleaning, anti-interference and other issues.
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