MS-301 Multi parameter Water Quality Sensor
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Figure 6 Conductivity Sensor
Conductivity Sensor Specification
Principle
Platinum electrode
Range
1 μS/cm-2000 μS/cm (k=1)
100 μS/cm- 100 mS/cm (k=10.0)
Resolution
0.1 μS/cm- 0.01 mS/cm (Related to Range)
Accuracy
±3%
2.4.2 Salinity
Salinity is a measure of the total amount of salt dissolved in a body of water. It can be automatically
calculated from the conductivity and temperature detected by the multi parameter water quality sensor.
The algorithm is based on the standard method for water and seawater detection (1989), and its unit
output is ppt. Salinity can be used for real-time compensation of dissolved oxygen.
Salinity Specification
Principle
Converted by conductivity
Range
0-1 ppt (k=1.0)
；
0-70 ppt (k=10.0)
Resolution
0.001ppt~0.01ppt(Related to Range)
Accuracy
±3%
2.4.3 Total dissolved solids
The total dissolved solids are also called the total amount of dissolved solids, which means the amount of
materials dissolved in water or small enough to be filtered, which can be used to reflect the degree of
pollution of water bodies. The ionic species dissolved in the water causes the water to be electrically
conductive, so the amount of the compound in which the ions are present can be roughly estimated by the