Conductivity meter is mainly used to measure the ability to transfer electric current between liquid media. It is generally used for the continuous monitoring of electric conductivity values ​​in electric power, chemical industry, metallurgy, environmental protection, pharmaceutical, field, lake, scientific research, food and tap water, and at the same time Water treatment and aquaculture tests also have applications.
The conventional classification of the conductivity meter is based on portability and is divided into: portable conductivity meter, desktop conductivity meter and pen conductivity meter. Some are classified according to their uses: laboratory conductivity meters, industrial online conductivity meters, etc. Some are divided into economical conductivity meter, intelligent conductivity meter, precision conductivity meter or divided into conductivity meter and digital conductivity meter according to advanced degree.
Pen-type conductivity meter, generally made of a single range, narrow measurement range, is a special simple instrument. The pen shape is also made into a TDS meter for measuring the quality of drinking water, salinity meter for measuring soup (solution) salinity, and the like. Portable and bench-top conductivity meters measure a wide range of commonly used instruments, the difference is portable DC power supply can be carried to the scene. The laboratory conductivity meter has a wide measuring range, many functions, and high measurement accuracy. Industrial conductivity meter is characterized by good stability, reliable operation, certain measurement accuracy, strong environmental adaptability, strong anti-interference ability, analog output, digital communication, upper and lower limit alarm and control functions.
When using the conductivity meter, pay attention to the following three points:
1. The lead of the electrode must not be wet, otherwise it will not be accurate.
2. High-purity water should be quickly measured after being filled into the container, otherwise the conductivity will decrease rapidly and become carbonate ion due to the dissolved water in the air.
3. The container holding the test solution must be clean and free from ion contamination.
The conventional classification of the conductivity meter is based on portability and is divided into: portable conductivity meter, desktop conductivity meter and pen conductivity meter. Some are classified according to their uses: laboratory conductivity meters, industrial online conductivity meters, etc. Some are divided into economical conductivity meter, intelligent conductivity meter, precision conductivity meter or divided into conductivity meter and digital conductivity meter according to advanced degree.
Pen-type conductivity meter, generally made of a single range, narrow measurement range, is a special simple instrument. The pen shape is also made into a TDS meter for measuring the quality of drinking water, salinity meter for measuring soup (solution) salinity, and the like. Portable and bench-top conductivity meters measure a wide range of commonly used instruments, the difference is portable DC power supply can be carried to the scene. The laboratory conductivity meter has a wide measuring range, many functions, and high measurement accuracy. Industrial conductivity meter is characterized by good stability, reliable operation, certain measurement accuracy, strong environmental adaptability, strong anti-interference ability, analog output, digital communication, upper and lower limit alarm and control functions.
When using the conductivity meter, pay attention to the following three points:
1. The lead of the electrode must not be wet, otherwise it will not be accurate.
2. High-purity water should be quickly measured after being filled into the container, otherwise the conductivity will decrease rapidly and become carbonate ion due to the dissolved water in the air.
3. The container holding the test solution must be clean and free from ion contamination.
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