![]() ![]() Underestimations of 0.09 mL (approximately 0-mm water depth), 2.48 mL (0.45 mm), and 5.65 mL (1.03 mm) were recorded from calculating the tips made without the calibrating algorithms from the 10-mL, 40-mL, and 70-mL samples respectively. The RI approximation resulted in relative errors - 5%, - 3.27%, and - 4.73 from the sample flow rates 11 mL/min, 32 mL/min, and 57 mL/min respectively. A bottom-feed design was implemented in this study. The only important thing to properly mount is the placement of the wire contacts. ![]() The sensor design makes the circuit assembly applicable to any cylindrical or cube-type rain gauge sizes. The designed electronic two-wire TBRG has so many features, with its low-cost and its resistance to metallic or electromagnetic interference the most important. Specifically, a different method of detecting the tipping count of the rain gauge through a switching type scheme is introduced without using the conventional magnetic detection concept. Unlike the common reed switch application, the mechanism of this study only uses a two-wire water level sensor for tip detection. This paper introduces a data acquisition mechanism working on similar functionality to that of conventional tipping-bucket rain gauge (TBRG) but unaffected from magnetic and electromagnetic interferences. ![]()
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