Salinity measurement method
A measurement method and salinity technology, applied in the direction of material resistance, etc., can solve the problems of temperature drift, increased workload of data calibration, large error, etc., and achieve the effect of reducing the influence of salinity measurement, fast calculation and performance improvement.
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[0029] In the process of specific realization, select several effective temperature points T 1 =25°C, T 2 =20℃、T 3 =10°C, T 4 =5°C, T 5 = 0°C, where the effective temperature range of the temperature range is [-40°C, 60°C], and then select n salt solutions S with different concentrations 1 , S 2 , S 3 ,...,S n , where the value range of the salt solution concentration is [0%, 21%]. The n salt solutions with different concentrations are placed at T 1 In the measurement, you can read n voltage values, which are V 1 , V 2 , V 3 ,...,V n ,As shown in Table 1.
[0030] Table 1, T 1 The measured voltage values of different salt solutions at different temperatures
[0031]
[0032] The application steps are as follows:
[0033] a. Calculate the actual resistance value from the measured voltage value. Calculate the actual resistance value according to the formula (1) for the charge and discharge of the resistor and capacitor, as shown in Table 2, respectively R 1...
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