Fotocellula a fascio di sicurezza infrarossi con trasmettitore a batteria

Photocell wavelength:940nm. 4.2.2 End user should install the photocell receiver on the back of the direct sunlight or other strong light source(±5-) to keep photocell work well steadily. 4.1 Receive module J4 in above picture is the option switch for NO and NC of photocell switch.

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