... .small, practical 4.can be arbitrary Angle adjustment INTRODUCTION Introduction 1, environmental protection design, food grade material POM, small, practical ... and reliable;4, flow range: 0.1-3 L/min, working voltage: DC3-18 V, rated voltage DC5V;5, output voltage ... , rate 5VDC4Maximum operating current15mA5The output pulse high levelIn 5 V rated voltage, the output of the high level requirements ...