Development of Capacitive Rain Gauge for Marine Environment

Table 1

Calibration data of rain gauge.

Measuring point [ml]	Nominal voltage [V]	Measuring voltage [V]	Precipitation error [mm]	Uncertainty [mm]
0	0	0.008	0.08	0.001
50	0.5	0.551	0.51	0.001
100	1.0	1.071	0.71	0.001
150	1.5	1.532	0.32	0.001
200	2.0	2.010	0.10	0.002
250	2.5	2.501	0.01	0.002
300	3.0	2.980	-0.20	0.002
350	3.5	3.480	-0.20	0.003
400	4.0	4.001	0.01	0.003
450	4.5	4.510	0.10	0.003
500	5.0	4.990	0.10	0.003