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Sensors & Detectors

Industrial surplus photoelectric sensors, proximity sensors, limit switches, flow sensors, level detectors, and related process sensing equipment from manufacturing and automation applications. Equipment is genuine decommissioned or overstock inventory — working condition, sourced from facility upgrades and plant closures. Ships via freight or local delivery within 10 miles of Douglassville, PA.

110 products

Honeywell 5802WXT-2 Wireless 2 Button Personal Panic Alarm White New Open Box
Regular Price$19.99Sale Price$15.99
Honeywell 5816WMBR Wireless Door/Window W Magnets Battery Brown New Sealed
Regular Price$19.99Sale Price$15.99
HONEYWELL 5817CB Wireless High Security Transmitter Three Zones White Open Box
Regular Price$47.99Sale Price$38.39
Inovonics EchoStream Single Input Universal Transmitter With EOL EN120EOL Bosch
Regular Price$39.99Sale Price$31.99
Wireless Glassbreak Detector for Alexor, Impassa and PowerSeries DSC WLS922L-433
Regular Price$119.99Sale Price$95.99
Interlogix GE 5812NT Shatterpro 3 Acoustic Glassbreak Sensor 3 Ft White Open Box
Regular Price$34.95Sale Price$27.96
Honeywell 5811BR Wireless Door Window Transmitter Brown 5800 Series Magnet NEW
Regular Price$31.99Sale Price$25.59
Winland EAPRO-WTS Wireless Temperature Sensor M-001-0153 32 F TO 122 F
Regular Price$183.99Sale Price$147.19
Honeywell Resideo FG1625F FlexGuard Flush-Mount Glassbreak Detector 25' Range
Regular Price$39.95Sale Price$31.96
DSC WS4945 Wireless Door Window Contact Transmitter 70008468 Brown New Open Box
Regular Price$27.99Sale Price$22.39
DSC PG9945 BR Door Window Sensor Brown New Open Box
Regular Price$27.99Sale Price$22.39
DSC PG9905 Power G Wireless Temperature Detector White New Open Box
Out of stock
Alula RE129 Qolsys/GE/Interlogix Compatible Glass Break Home Security Sensor
Regular Price$79.99Sale Price$63.99
Bosch DS150I Request To Exit PIR Ceiling Wall Security Detector Door Sensor
Out of stock
Optex LX-402 (C) Wide Angle Long Range Outdoor Detector PIR 40 Ft Max Range New
Out of stock
DSC PG9862 PowerG Wireless 360° Ceiling mount PIR Motion Detector White New
Regular Price$35.99Sale Price$28.79
Honeywell Ademco 710BL Strobe Warning Light Blue Lens New
Regular Price$43.99Sale Price$35.19
Qolsys IQ S Line Garage Door Tilt Sensor QS1131-840 Encrypted 319.5 MHz 3 Pack
Out of stock
Qolsys IQ S Line Garage Door Tilt Sensor QS1131-840 Encrypted 319.5 MHz 2 Pack
Out of stock
DSC WS4904P Wireless PIR Motion Sensor White No Battery Included
Regular Price$27.96Sale Price$22.37
Qolsys IQ Wireless S Line Encrypted Glass Break Sensor White QS1431-840 Open Box
Out of stock
Optex TD-20U Indoor Outdoor Sensor Transmitter Wireless 2000 Annunciator System
Regular Price$67.99Sale Price$54.39
Resideo LTEM-PV Advanced Modular Communicator Verizon LTE Cat M1 Free Shipping
Out of stock
DSC PG9312 PowerG Outdoor Wireless Magnetic Contact Sensor
Out of stock