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Photoelectric Security Sensors Raleigh NC

Local resource for Photoelectric Security Sensors in Raleigh. Includes detailed information on local businesses that provide access to Photoelectric Security Sensors, industrial photoelectric sensors, photoeye, infrared, as well as advice and content on where you can find retailers and companies, locally, that provides these products in your area.

American Diversified Security
(919) 469-8006
PO Box 33525
Raleigh, NC
Security Forces Inc
(919) 787-0749
812 Salem Woods Dr # 101
Raleigh, NC
US Security Assoc Inc
(919) 833-1180
534 Pylon Dr
Raleigh, NC
York Services Mntnc Div
(919) 821-1350
1900 Cameron St
Raleigh, NC
Simplex Grinnell Lp
(919) 279-6400
540 Civic Blvd # 105
Raleigh, NC
(919) 848-3611
901 Paverstone Dr # B
Raleigh, NC
Techway Systems Inc
(919) 785-2220
5205 Oak Park Rd # C
Raleigh, NC
US Security Assoc
(919) 782-6226
2209 Century Dr # 550
Raleigh, NC
Security Services Of America
(919) 876-1815
1001 Dresser Ct
Raleigh, NC
Lankford Protective Svc Inc
(919) 832-1997
608 W Johnson St
Raleigh, NC

Photoelectric Sensors


Photoelectric detection systems use a light-sensitive cell and a directed light source which points directly at the cell. Photoelectric security systems can be classified as motion detection systems since an object or person must move across the photoelectric connection to break the light transmission to the sensor.

The source transmits invisible light beams to the adjacent cell or sensor. Often an infrared filter covers the light source to make it non-visible to intruders. If an intruder crosses the light beam, it breaks the beam's continuous contact with the photoelectric cell and trips the alarm. Mirrors can be installed with photoelectric security systems in order to allow one light beam to be projected across a large area, thus allowing a criss-crossing of the light beam across a room. This makes it much more difficult for an intruder to crawl under, or step over the light beam.

Photoelectric may seem an old technology, however it is still in use in many home security systems.

Learn more about home security systems .

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