Development of a sensor for spray deposition assessment
1990
A sensor was developed that provides a voltage signal proportional to the amount of spray deposit. Design features of this sensor and its supporting hardware and software are described. Response of the sensor to individual drops of tap water showed an increasing trend as the size and number of drops increased. The magnitude of the signal was different for different drop solutions. It increased as concentration of the ions in the solution decreased. Response of the sensor to tap water spray was linear when the amount of deposit was plotted on the log scale. In general, the system could generate a useful signal; however, it needs some improvement in order to obtain a more reliable method for spray deposition assessment.
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