The water collection port collects rainwater and injects into the metering bucket through the water injection port. When the water injection volume reaches a predetermined value, the bucket flips over. During the turning process, the magnetic steel passes the reed switch to turn the reed switch on and off. Records can achieve the purpose of automatic collection.
The instrument has been debugged well before leaving the factory. If the error exceeds ± 4% after a flood season, it can be calibrated. Use a 10 ml graduated cylinder labeled MC to hold 6.28 ml of water as the base (considering loss) and inject it into the bucket. If it is turned over in advance, The height of the screw should be adjusted downwards and vice versa, and the nut should be tightened after repeated adjustments.
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