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DC 3 Wire 6-36V PNP IR Photoelectric Sensor Switch 30cm E18-B03P1

3.8 out of 5 stars 2 customer reviews
Price: $6.43 & FREE Shipping on orders over $49. Details
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  • Product Name : Photoelectric Switch;Sending Light : Infrared Rays;Model : E18-B03P1
  • Wire Type : DC 3 Wire, Proximity-sensing / Diffuse Type;Type : PNP;Voltage : DC 6-36V
  • Current : 300mA;Sensory Distance : 30cm;Head Diameter : 1.6cm/0.6''
  • Body Size : 2.3 x 7cm/0.9" x 2.7'' (Max.D*L);Material : Plastic, Alloy;Color : Black, Orange
  • Cable Length : 120cm/47'';Weight : 55g;Package Content : 1 x Photoelectric Switch
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$6.43 Add-on Item & FREE Shipping on orders over $49. Details In Stock. Sold by uxcell and Fulfilled by Amazon. Gift-wrap available.

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Product Description

  • In this mode, an object is detected when the receiver sees the transmitted source rather than when it fails to see it.Can be applied in security system, manufacturing industry.

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5.0 out of 5 starsVery sensitive and sturdy. Profession quality with 6 foot cord and idicator light.
By M. King on August 28, 2013
Verified Purchase
This photo detector and IR source work perfectly together. The body is about 2.75 inches (70 mm) long and threaded for about 1.75 inches (40 mm). It mounts in a 3/4 inch (18 mm) diameter hole by the two supplied knurled plastic nuts. The sensor cord is about 4 feet (1.2 m) long. The red filtered lens face is shaped to focus and receive the light. The brown wire is for the positive voltage connection, the blue wire is for the negative voltage and the black is the output of the PNP transistor. The positive wire is internally connected to the diode and the transistor. The detection range for non-reflective objects is 13 inches (32 cm) using a 12 mA current limiting resistor - and 7 inches (18 cm) using a 1 mA current limiting resistor. Setup is very easy. The small bump on the rear of the sensor is a red LED that lights up when the PNP transistor has been switched on. Very simply and very practical. The detection range is about 1/3 longer when sensing reflective objects. This lets you detect shiny objects against a non-reflective background.
And that's 1 of my 2 projects - building limit switches for an automatic pool cover. The pool cover system doesn't have limit switches and sometimes the kids run the cover too far and jam the cover in the tracks. The new limit switches watch the edge of the cover (non-reflective) as it moves. When they 'see' a piece of foil tape on the cover, they close the relay that stops the cover motor. Works every time - problem solved without paying the pool people $700 for a limit switch mod kit.
There are some things to consider in your application. When the transistor is switched on, some diode current is diverted to the output current and the indicator LED on the rear. When the diode current drops the detection range drops.Read more ›
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3.0 out of 5 starsThree Stars
By Amazon Customer on October 12, 2015
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Same problem here
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