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DDS-307A Digital Conductivity Meter
DDS-307A digital conductivity meter is an instrument used in laboratories to measure the conductivity of aqueous solutions. It is widely used in indus
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1、 A Brief Introduction to DDS-307A Digital Conductivity Meter
DDS-307A digital conductivity meter is an instrument used in laboratories to measure the conductivity of aqueous solutions. It is widely used in industries such as petrochemicals, biomedicine, sewage treatment, environmental monitoring, mining and refining, as well as in universities and research institutions. If equipped with appropriate constant conductivity electrodes, it can also be used to measure the conductivity of pure or ultrapure water in electronic semiconductors, nuclear energy industry, and power plants.
DDS-307A digital conductivity meter is an instrument used in laboratories to measure the conductivity of aqueous solutions. It is widely used in industries such as petrochemicals, biomedicine, sewage treatment, environmental monitoring, mining and refining, as well as in universities and research institutions. If equipped with appropriate constant conductivity electrodes, it can also be used to measure the conductivity of pure or ultrapure water in electronic semiconductors, nuclear energy industry, and power plants.
2、 The main features of digital conductivity meters are as follows:
◆The instrument adopts3 1/2bitLEDDigital tube display, clear display, high measurement accuracy;
◆Equipped with conductivity electrode constant compensation function;
◆Equipped with manual temperature compensation function for solutions;
◆have0~10mVSignal output.
3、 The main technical performance of digital conductivity meters:
1Measurement range: The measurement range of the instrument is（0~2×105μS/cm）The instrument is divided into five ranges, and the range between each range is manually switched using a band switch, as shown in the table below1
2Basic error of electronic unit:±1.0%（FS）±1a character
3Basic error of the instrument:±1.5%（FS）±1One word.
4Temperature compensation range:（5~35）℃
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Range range
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measurement range
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resolution
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2μS/cm
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（0.001~2）μS/cm
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0.001μS/cm
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20μS/cm
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（0.01~20）μS/cm
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0.01μS/cm
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200μS/cm
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（0.1~200）μS/cm
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0.1μS/cm
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2mS/cm
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（0.001~2）μS/cm
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0.001mS/cm
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20mS/cm
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（0.01~20）μS/cm
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0.01mS/cm
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table1
Note: When measuring high conductivity, a large constant conductivity electrode is generally used≥10000μS/cmWhen using a constant10The conductivity electrode, when using a constant of10When using conductive electrodes, the measurement range is extended to2×105μS/cm；
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