ECOWITT WS90 User Manual

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Figure 10: Set five rain gain parameters
9.3 Wind speed 0 calibrations for WS90.
1. In a windless room, research a soft cloth to cover
the top cover and the wind speed area of the WS90,
after holding the CAL button for 3 seconds, the light
will be bright for 5 seconds and then start to flash,
after waiting the light has closed, and the wind speed
will be reset to zero.
As the picture shows:

ECOWITT WS90 Specifications

General

Brand	ECOWITT
Model	WS90
Category	Measuring Instruments
Language	English