Olotu Yahaya, Bello Smart, Omoakhalen AI and Ehibor OG
Automatic evaporimeter was developed using a set of sensors and transducer such as carbon resistor, semi-carbon conductor and lighting diode-4 v 60 mm amp to start the mechanism of automated measurement. The working principle of the instrument was developed using 10 values of initial and final lighting points (ILP, FLP) and the rate of evaporation from the Class A Pan was obtained in physical variables (Voltage and refractive values). The instrument was calibrated using different statistics metrics. The instrument’s time response to a step change in water level from the evaporation was calibrated to every level (0.1 cm) of water change in the pan. Automated evaporimeter has the capacity to measure daily maximum evaporation value of 0.3 cm and this corresponds to the refractive value (√e) of 15.0 and voltage (v) of 225.6 v respectively.
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