WSS-21 RS485 Rain Gauge is used in meteorology and hydrology to gather and measure the amount of liquid precipitation (mainly rainfall) over an area.

WSS-21 uses a tipping bucket to detect rainfall. The tipping bucket use 3D streamline shape to make sure it works smoothly and is easy to clean.

The tipping bucket of WSS-21 is adjusted to the best angle. When installation, user only needs to screw up and adjust the bottom horizontally.

WSS-21 package includes screw which can be installed to ground. If user want to install WSS-21 on pole, they can purchase WS-K2 bracket kit.