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4.96 out of 5
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  • 14/09/2016

    I ordered two of these PNP style proximity sensors for use on a 3D printer project because of the very good price. Both received in good condition. I connected one of the sensors to a 12 volt power source and tested its sensitivity. It worked perfectly, triggering the on-board indicator light at exactly 4 mm. The output lead is at zero volts when the not triggered and rises to almost the same level as the power supply voltage when it is triggered (within about 1 volt of supply). The brown wire connects to the power supply, the blue wire is the "common" or ground and the black wire is the output. A good product at a very good price from Banggood.

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  • 10/08/2018


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  • 30/06/2017

    Good quality product, nicely made and worked perfectly... This version (LJ12A3-4-Z/BY PNP DC6-36V) works fine at 5 volts and triggers ~2mm from my aluminum bed on my 3D printer... but remember, it's actually rated for 6-36 volts... Mike

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  • 14/02/2017

    Ordered 2 same items. One of them had different label (see picture) and did not work on 5v. The other one does work on 5v (label says 300mA switch load). The one that did not work had 200mA switch load. It is a suprise if you get a version that works on 5v, as is mentioned in some video's and forums.

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  • 26/10/2020


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  • 03/07/2019

    Commandé 2 X capteur inductifg PNP reçu 1X PNP, 1X NPN ........ Satisfaction produit OK Livraison produit commnadé 50%

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  • 05/02/2019

    супер много добре

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  • 12/09/2017

    Looks like decent quality and good value. Some instructions in English. Sensor has a wiring diagram on a label that's helpful. The sensor works well see photos of a test with an LED attached to the sensor at 6V draws about 130 mA.

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  • 05/09/2017

    It's exactly as described and works. Shipped quickly and have had no problems so far.

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  • 06/06/2017


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