Infrared liquid level sensor Dual water level detection control
Description: Infrared level detection module - double level ( version). D3 D4 respectively corresponding to the two level sensors to the container plus liquid the following sensor first contact with the liquid . And then add liquid of the sensor D4 light this time the response of the indicator light the module on the relay action control the the pumping equipment. Only when the pump is lower than the bottom of the sensor this time D3 and D4 two sensor lights completely off the relay off. Pumping equipment to stop working. Double level detection two probes contact the liquid level before output double protection. Scope of application: industrial site tank automatic water feeding system and other occasions requiring water protection as well as general industrial site liquid . Specification: Working age: AC85 ~ 265V Working current:
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