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Safety & Sensors

Automated driveway gates require safety precautions that protect against entrapment and hazardous pinch points. Photo eyes, safety edges, induction loops, and other sensing mechanisms are designed to detect a potentially dangerous situation, such as a vehicle or pedestrian blocking the gate travel path, and either stopping or reversing the cycle of the gate depending on the direction of travel. Industry standards are created by the Underwriters Laboratory under the UL325 code which is occasionally updated. All operators have a built in obstruction sensor that will reverse the gate if it makes contact, in addition to that all swing operators must have at least one UL325 approved monitored non-contact sensor, and all slide operators are required to have one in each direction of travel. These requirements are fulfilled by photo eyes or safety edges but not by induction loops or motion detectors. If you fail to install the minimum requirement for safety devices your operator will not run and just because the minimum requirement is met does not mean that your installation is UL compliant. Safety considerations and needs vary widely and should be designed based around the needs of your particular job to protect yourself from liability. If you have questions or concerns it is recommended you speak to a licensed gate or door contractor.

Loop Detectors are use in conjunction with vehicle detection loops to detect vehicular traffic traveling or stopping overhead in a roadway. These are commonly used to trigger traffic lights and you have undoubtedly traveled over thousands of them without even realizing it. In the automated gate industry we use these devices to trigger gates to open for access and egress and also to serve as safety devices that protect vehicles in the path of the gate. Loop detectors can be used for a variety of other purposes including counting vehicular traffic, arrival notifications, and turning on driveway lighting. Although it is common to install loops for safety they do not meet UL325 compliance because they only detect vehicular traffic and not pedestrians or animals.

Exit Wands work in a similar fashion to an induction loop but they detect vehicles in a 360 degree sphere. Because of this they are more likely to pick up the moving gate or other unintended trigger so they are not used as a safety device. It is recommended that you install an exit wand at least 30' back from the gate to avoid unintended openings. These devices are typically used when a homeowner does not wish to sawcut into an existing roadway. 

Photo Eyes or Beams are “non-contact” devices that operate by shooting a beam of light across the gate opening. When wired up as an entrapment device interrupting the beam will stop the gate in its path and reverse the gate 1' towards the closed position. If used as a reversing device it will stop and reverse the gate all the way to the open position. Photo Eyes are approved for use as safety devices in compliance with UL325-2018 requirements.

Safety Edges are “contact” devices that operate when touched using pressure sensitive sensors. If an obstacle is encountered, the device signals the gate opener to stop and/or reverse operations. These devices are sold by the foot with 4', 5', and 6' versions typically carried in stock. Safety edges can be placed on fixed surfaces such as posts, or the can be installed on the edge of a gate depending on your needs. The safety edge is combined with a wireless edge transmitter and receiver set to send the signal to the gate operator. Monitored safety edges are approved for use as safety devices in compliance with UL325-2018 requirements.

Warning Devices such as Signs, Signals, Lights and Bells are useful accessories to any automated vehicular gate system. They provide visible and / or auditory indicators of potentially hazardous situations.

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Featured Products

  1. EMX CS303 Carsense 303 Vehicle Detector Sensor

    Choose Direct Burial or Flat Pack Sensor Available with 50' or 100' Lead
    • NEW! Detect-On-Stop
    • Three-dimensional presence detection of vehicles
    • Select X, Y and/or Z axis independently
    • Stand-alone sensor
    • Sensor stores ambient background and settings in non-volatile memory
    • Remote control module for programming and additional relay contact output
    • Fast response for high-speed detection
    See More Details

    From: $136.00

    To: $661.00

  2. EMX CarSense 202 Slim Driveway Sensor - Single Piece

    Available with 50' or 100' Lead-In Wire
    • 9 – 41 VDC or 6 – 29 VAC
    • Advanced, Single Piece Design
    • 12 Ft. Diameter Range Sensitivity
    • 2-Year Warranty
    See More Details

    As low as: $178.00

  3. EMX IRB-MON Universal Safety Infrared Photo Beam

    • Up To 115 Ft. Range
    • 6-35VDC / 12-24VAC
    • UL325-2016 Compliant
    • Form C Relay Contacts
    • NEMA 4X Rate Watertight Enclosure
    • 2-Year Warranty
    See More Details
    $206.00

  4. EMX NIR-50-325 Retro-Reflective Photoeye

    • 50' Range
    • 12-24V AC/DC
    • Watertight package
    • Includes NIR-50, Reflector & Mounting Bracket
    • UL325 Compliant
    See More Details
    $91.00

  5. EMX MVP D-TEK Vehicle Loop Detector - Multi-Voltage

    • 9VDC - 240VAC Universal Voltage
    • 10 Sensitivity Settings (Rotary Dial)
    • 3 Frequency Settings (Toggle Switch)
    • 2 Relays
    • 11-Pin Socket Base / Harness Connection
    • 2-Year Limited Warranty
    See More Details
    $156.00

  6. EMX LP D-TEK Vehicle Loop Detector - Low Power

    • 12 - 24V AC / DC Self-Adjusting
    • 10 Sensitivity Settings & 4 Frequency Settings
    • 2 Relays
    • 9 mA Current Draw - Great for Solar Applications
    • 11-Pin Socket Base / Harness Connection
    • 2-Year Limited Warranty
    See More Details
    $144.00

  7. Seco-Larm E-931-S50RRGQ Enforcer IR Reflective Photoelectric Beam Sensor

    • 50 Ft. Range
    • 12-30V AC/DC
    • Weatherproof IP55 Housing
    • ETL UL325-2016 Compliant
    • 1-Year Warranty
    See More Details
    $106.00

  8. Seco-Larm E-936-S45RRGQ Enforcer Reflective Photoelectric Beam Sensor

    • 45 Ft. Range
    • 12-30V AC/DC
    • Weatherproof IP66 Housing
    • ETL UL325-2016 Compliant
    • 1-Year Warranty
    See More Details
    $96.00

  9. Seco-Larm E-960-D90GQ Enforcer Twin Photobeam Detectors with Laser Beam Alignment

    • 90 - 190 Ft. Range
    • 12-30V AC/DC
    • Weatherproof Housing
    • ETL UL325-2016 Compliant
    • 1-Year Warranty
    See More Details
    $119.00

  10. Seco-Larm E-931-S33PRGQ Enforcer Polarized Reflective Photoelectric IR Beam Sensor

    • 33 Ft. Range
    • 12-30V AC/DC
    • Weatherproof IP55 Housing
    • ETL UL325-2016 Compliant
    • 1-Year Warranty
    See More Details
    $102.00

  11. Doorking 9410-010 Single Channel Loop Detector

    Doorking 9410-010 Single Channel Loop Detector

    • Plug-In Loop Detector
    • Loop Detector plugs directly into DKS gate operator control boards
    • For use with DoorKing gate operators only
    All Products Require a 3-5 Day Lead Time
    See More Details
    $198.00

  12. BD Loops SC24-50 4' x 8' or 3' x 9' Cut-In Loop with 50' Lead

    BD Loops SC24-50 4' x 8' or 3' x 9' Cut-In Loop with 50' Lead

    • 4' x 8' or 3' x 9'
    • Works best with 3/16" saw-cut blade or wider - Can be used with a 1/4" blade
    • Built-in backer-rod
    • Polyethylene outer jacket
    • Micro-dusted nylon coated inner jacket
    • 16AWG stranded wire
    See More Details
    $119.00

  13. Q-SEAL 290S Loop Sealant

    Available in Black & Grey
    • 30 oz Tube
    See More Details

    As low as: $27.50

  14. Diablo DSP-11 Loop Detector

    • Switchless loop detector
    • 11 Pin Plug in style
    • 10-30 VAC/VDC
    • Virtually Cross Talk Free
    • Includes harness
    • 5-yr Warranty
    Veteran Owned & Operated
    See More Details
    $167.00

  15. Liftmaster LOOPDETLM Plug In Loop Detector

    • Plug-in connector
    • 12VDC/3mA low power draw
    • Includes Diagnostic and test feature
    • Prevents the gate from closing on a vehicle in the path
    • Power Efficient for maximum cycles on Battery Backup
    • Works with new Liftmaster UL325 2016 boards only
    1-3 Week Lead Time
    See More Details
    $167.00

  16. Ramset 800-80-05 ILD24 Plug-In Loop Detector

    • 24VDC
    • Plugs Directly into Intelligate Control Board
    • LED Loop Wire Diagnostics
    See More Details
    $119.25

  17. Torxun 2050.048 4' x 8' Preformed High Temperature Loop with 50' Lead

    • 4' x 8'
    • Ideal for direct burial on earth & gravel roads or under concrete & asphalt
    • Comes standard with 50 feet of twisted and jacketed lead-in wire
    See More Details
    $119.00

  18. EMX XC101-LV-100 CarSense Driveway Sensor - 9-41VDC & 6-29VAC w / 100 Ft. Lead

    EMX XC101-LV-100 CarSense Driveway Sensor - 9-41VDC & 6-29VAC w / 100 Ft. Lead

    • 9-41VDC & 6-29VAC with 100' Lead
    • 11-Pin Connector
    • Ideal for Solar Applications
    • Easy Integration
    • 2-Year Warranty
    See More Details
    $233.00

  19. EMX XC101-LV-50 CarSense Driveway Sensor - 9-41VDC & 6-29VAC w / 50 Ft. Lead

    EMX XC101-LV-50 CarSense Driveway Sensor - 9-41VDC & 6-29VAC w / 50 Ft. Lead

    • 9-41VDC & 6-29VAC with 50' Lead
    • 11-Pin Connector
    • Ideal for Solar Applications
    • Easy Integration
    • 2-Year Warranty
    See More Details
    $210.00

  20. BD Loops E-Z Detector Checker

    • Easily Troubleshoot Loop System Problems
    • No Batteries Required
    • Compact
    See More Details
    $171.00

  21. BD Loops Saw Cut Pizza Wheel & Wedge Installation Tool

    • Designed for use with 3/16 preformed saw cut detection loops
    • Smooth & durable PVC 1/8 thick
    • Prevents nicks to loop wire casing
    • Wedge fits 135 degree corner cuts
    • 3/4 PVC Coupler accepts any length handle
    • Wheel can be used to assist in cleaning out saw-cut groove
    See More Details
    $118.00

  22. BD Loops SB-B7 Pro Diamond Saw Blade - Combo - 7" Diameter

    • Pro Diamond 3/16" Combo Saw Cut Machine Blade
    • 7" Diameter
    • 5/8" to 7/8" Arbor
    See More Details
    $150.00

  23. Reno A&E BX Series Loop Detector

    Choose 110VAC, 12-24VAC/VDC, or 12VDC for Solar Power
    • We Feel is One of the Best Detectors Available
    See More Details

    As low as: $137.00

  24. Reno A&E BR-375 Backer Rod - 1/2"

    Available By Foot or 2500' Roll
    • Backer Rod for 1/2 inch Saw Cut Installations
    • Holds Loop & Lead Wires Secure
    See More Details

    As low as: $0.28

  25. EMX ULT-MVP UltraLoop Series Multi-Voltage Vehicle Loop Detector

    Available with 1 Channel or 2 Channel w/ AB Logic
    • 9VDC - 240VAC Input Range
    • 10 Sensitivity & 4 Frequency Settings
    • DETECT-ON-STOP Feature Ignores Cross-Traffic
    • ULTRAMETER Display Optimum Sensitivity
    • 11-Pin Socket Base / Harness Connection
    • 2-Year Limited Warranty
    See More Details

    As low as: $149.00

  26. Duragate Loop Wire XLPE 18 Guage

    18 Gauge XLPE Coated Loop Wire Available in 3 Lengths - 100' Roll, 50' Roll & Per Foot
    • Narrow Gauge for Easier Installation


    See More Details

    From: $0.42

    To: $42.00

  27. DoorKing Loop Wire by the Roll

    Available in Red, Black, and Blue Choose 500 or 1000 Foot roll
    • 18 AWG
    • XLPE Insulation
    All Products Require a 3-5 Day Lead Time
    See More Details

    From: $166.00

    To: $425.00

  28. MMTC Omron E3K Retro-Reflective Photo Eye

    MMTC Omron E3K Retro-Reflective Photo Eye

    • 40 Ft Sensing Distance
    • 24-240VAC/DC
    • Includes Bracket & 3" Reflector
    • Enclosure Rated NEMA 1, 4, 4X, 12 & 13
    • UL325 Compliant
    • Manufactured by Omron
    See More Details
    $188.00

  29. BD Loops BD-MEGGER Analog Megohmmeter Loop Tester

    BD Loops BD-MEGGER Analog Megohmmeter Loop Tester

    •Analog 0-600 AC Volt Meter & Megohmmeter/Insulation Tester
    •Includes:
       •Batteries
       •Quick Start Instructions
       •In-depth Instructions
       •Testing Record Booklet
       •Carrying Case
    See More Details
    $158.00

  30. Miller Edge ME120-T2 Monitored Sensing Edges

    Choose from 4 Lengths
    • Monitored
    • 10k resistive
    • 2-wire
    • Includes mounting channel
    See More Details

    From: $140.00

    To: $409.00

  31. Miller Edge MGR20-T2 Monitored Sensing Edges

    Choose from 3 Lengths
    • Monitored
    • 10k resistive
    • Wraps around 2" round post
    • 2-wire
    • Includes mounting channel
    See More Details

    From: $159.00

    To: $431.00

  32. Miller Edge MGS20-T2 Monitored Sensing Edges

    Choose from 3 Lengths
    • Monitored
    • 10k resistive
    • Wraps around 2" square post
    • 2-wire
    • Includes mounting channel
    See More Details

    From: $159.00

    To: $431.00

  33. Diablo DSP-40 Plug-In Loop Detector

    Diablo DSP-40 Plug-In Loop Detector

    • Plug-in detector
    • 10-30v AC/DC
    • 10 position molex plug and play connector
    • Easy access front panel reset switch
    • Dimensions: H: 2.4" W: 0.8" D: 2.25"
    • 5yr warranty
    Veteran Owned & Operated
    See More Details
    $122.00