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Sensors

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  1. $280.00
    SKU: R-454C-Gas-50%-LEL

    Macurco R-454C-Gas-50%-LEL 34L Refrigerant R-454C Male Calibration Cylinder

    • Calibration Gas Cylinder
    • 34 L Net Content
    • Refrigerant R-454C Gas
    $280.00
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  2. $3.54
    SKU: SM-407-5TQ/W

    Seco-Larm SM-407-5TQ/W 3/8" Screw-Terminal Recessed-Mount Magnetic Contact

    • Used for protecting sliding doors and windows where space is limited
    • Gold-plated terminals for longer expected life and reliability
    • Screw terminals
    • High-impact ABS plastic
    • Miniature size for easier concealment
    $3.54
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  3. $77.62
    SKU: ISC-FPB1-W30DS

    Bosch ISC-FPB1-W30DS Photoelectric Detector

    • Dual beam detection improves false alarm immunity
    • Range up to 90 m (300 ft) outdoors, 180 m (600 ft) indoors
    • Selectable response time
    • Small unobtrusive design
    $77.62
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  4. $179.31
    SKU: CLIP-MCW

    Visonic CLIP-MCW CLIP-MCW Powercode Wireless Solid Curtain PIR

    • Ultimate false alarm elimination via patented TMR algorithm
    • 3-volt long-life high power standard lithium battery
    • Attractive, sleek design suitable for any home or office
    • Several optional frequencies available in compliance with international standards
    • Clip MCW T model is offered with back tamper
    $179.31
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  5. $97.78
    SKU: SPY-4

    Visonic SPY-4 PIR Motion Detector Curtain

    • Virtually unnoticeable after mounting
    • Designed for securing corridors, doors, windows or skylights
    • Ideal for controlling CCTV, access control and other systems
    • Ceiling or wall mounting
    • Tiny size: Diameter: 19 mm (0.75 in) Length: 70 mm (2.75 in)
    $97.78
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  6. $121.00
    SKU: HS-L1.5-121

    Magnasphere HS-L1.5-121 Surface Mount, Dual Alarm Contact

    • Tested to 9th edition UL 634 Level 1 high security (both in-swing and out-swing doors)
    • Made with Magnasphere switch technology
    • Single and Dual alarm contacts
    • No adjustment required for installation
    • No brackets needed for most out-swing door installations
    $121.00
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  7. $4.13
    SKU: N25WGB-ST

    Nascom N25WGB-ST Mini Stick on Switch / Magnet Set W1/4" x H1/4" x L1-1/4", End Wire Leads, Brown

    • 12" 22AWG Wire Leads
    • Encapsulated Hermetically Sealed Contacts
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    • 3M VHB (Very High Bond) Double Sided Tape
    • ABS Housings
    $4.13
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  8. $4.58
    SKU: SM-4105-LQ/W

    Seco-Larm SM-4105-LQ/W 3/4" Steel Door Recessed-Mount Magnetic Contact Switch, White

    • Used for steel framed doors and windows where space is limited or to avoid unsightly installations
    • Strong one-piece construction
    • 18" (46cm) wire leads
    • High-impact ABS plastic
    • Switch and magnet have ribs for securing in holes
    $4.58
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  9. was $322.00 Special Price $317.00
    SKU: FM141

    Linear FM141 150 Feet Vehicle Sensor Exit Wand

    • Electromagnetic sensor detects vehicles-in-motion
    • Compatible with all automatic gate operators, or other systems requiring a dry contact input device
    • Wide input voltage range (8-26 V AC or 11-30 V DC)
    • Ideal for solar application, 1.5 mA current consumption
    • Relay latch time of 2 seconds. May not be used as a safety device
    was $322.00 Special Price $317.00
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  10. $103.00
    SKU: ISC-FPB1-W90DS

    Bosch ISC-FPB1-W90DS Photoelectric Detector

    • Dual beam detection improves false alarm immunity
    • Range up to 90 m (300 ft) outdoors, 180 m (600 ft) indoors
    • Selectable response time
    • Small unobtrusive design
    $103.00
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  11. $54.90
    SKU: BO-60-499-11-319.5

    Bosch BO-60-499-11-319.5 Slim Line Door & Window Sensor, Brown

    • Flat design
    • Fits in most small areas
    • Replaceable battery
    $54.90
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  12. $2,007.50
    SKU: NEXUS

    Comelit NEXUS Face Recognition Panel with 8" Touch-Screen LCD

    • 8 inch LCD screen
    • 2MP Binocular lens, f = 3.97mm @ F1.6
    • High precision body temperature measurement ± 0.3 ° C
    • Camera with integrated DVA (Deep Video Analysis) algorithm for facial recognition
    • Facial recognition at a distance up to 2.2m
    $2,007.50
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  13. $28.00
    SKU: BP33-A

    United Security Products BP33-A Mini OHD Contact with Adjustable Magnet - 2.25" Gap

    • Extra wide 2.25" gap
    • Rugged aluminum construction
    • Miniature 3.5" x 1.5" size
    • Premium rhodium metal contacts
    • Alnico 5 magnets
    $28.00
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  14. $343.20
    SKU: SL-200QDM

    Optex SL-200QDM Smart Line Outdoor Photoelectric Detector, 200ft

    • High power Quad beams with high grade aspherical lenses
    • 60m detection range
    • 4 channel selectable frequency
    • IP65 water protection rating
    • Anti-frost hood design
    $343.20
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  15. $99.31
    SKU: ISC-PPR1-WA16G

    Radionix by Bosch ISC-PPR1-WA16G 60' Professional Series PIR w/Multi-Point Antimask

    • 16 m x 21 m (50 ft x 70 ft) standard coverage; 8 m x 10 m (25 ft x 33 ft) selectable short range coverage
    • EN50131-2-2 Grade 3 compliant
    • Sensor data fusion technology
    • Tri-focus optics technology
    • MANTIS anti-mask
    $99.31
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  16. $56.07
    SKU: MSS-312C-GRAY-FIRE

    Magnasphere MSS-312C-GRAY-FIRE 1" Recessed with 3 Switches, 2 Closed Loop, 1 Open Loop - Gray - Fire Rated

    Magnasphere MSS-312C-GRAY-FIRE 1" Recessed with 3 Switches, 2 Closed Loop, 1 Open Loop - Gray - Fire Rated
    $56.07
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  17. $34.44
    SKU: N505AUTM-ST

    Nascom N505AUTM-ST 2-1/4" Overhead Door Rail Mount Magnet / Switch Set Featuring No Dead Spot Technology, Silver

    • No Dead Spot Technology
    • Extruded Anodized (Type II) Aluminum
    • Quick Switch Install - Less than 60 seconds
    • Flip the Switch - Gap is not Impacted By Cable Direction
    • Universal Mount
    $34.44
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  18. $105.95
    SKU: GEM-SMK

    Napco GEM-SMK Wireless Smoke Detector

    • Long 5-year battery life, typ. (batteries included)
    • Compact 5.2 inch diameter; attractive decorator white
    • Built-in silence feature and test button
    • Visual LED indicates alarm & standby
    • Audible/visual indicator for low battery and need for detector cleaning
    $105.95
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  19. $224.99
    SKU: FM139

    Linear FM139 50' Vehicle Sensor Exit Wand

    • Electromagnetic sensor detects vehicles-in-motion
    • Compatible with all automatic gate operators, or other systems requiring a dry contact input device
    • Wide input voltage range (8-26 V AC or 11-30 V DC)
    • Ideal for solar application, 1.5 mA current consumption
    • Relay latch time of 2 seconds. May not be used as a safety device
    $224.99
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  20. $88.75
    SKU: MSS-19CL-W

    Magnasphere MSS-19CL-W 3/4" Recessed / Concealed Contact Open Loop, White, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won™t break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $88.75
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  21. $42.56
    SKU: CS-PD422-PQ

    Seco-Larm CS-PD422-PQ Infrared Proximity Sensor, 22mm, Stainless Steel

    • No-touch operation reduces the risk of spread of germs, viruses, etc., through cross-contamination
    • Adjustable sensor range up to 6" (15cm) 1A relay, adjustable trigger duration 0.5~20 seconds or toggle
    • Selectable LED colors (turns from red to green or green to red) to show if the sensor is activated
    • Weather-resistant (IP65*) for outdoor use
    $42.56
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  22. was $106.95 Special Price $72.00
    SKU: SD-9773-KNEVQ

    Seco-Larm SD-9773-KNEVQ Outdoor Wave-to-Open Sensors, Surface-Mount

    • Outdoor Wave-to-Open Sensors
    • Surface-Mount
    was $106.95 Special Price $72.00
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  23. $51.25
    SKU: 901

    United Security Products 901 Sealed Pressure Mat - 9" X 15"

    • R. F. Thermo Sealed
    • Molded Waterproof Construction
    • High Traffic Area Design
    • Indoor/Outdoor Applications
    • Six Standard Sizes
    $51.25
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  24. $16.50
    SKU: MSS-K22-W

    Magnasphere MSS-K22-W Surface Mount Contact Open Loop with Terminals, White

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $16.50
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  25. $11.68
    SKU: N1178CB-STFB

    Nascom N1178CB-STFB Recessed 3/4" Stubby Open Loop Switch / Magnet Set for Steel / Wood Doors, Wire Leads, Brown

    • Snap Fit on Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $11.68
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  26. $903.00
    SKU: CX-6

    Macurco CX-6 CO/NO2 Low Voltage Fixed Gas Detector and Controller, Grey

    • Easy installation to 4x4 electrical boxes via mud plate
    • 4-20mA output to control VFD's and send to BMS
    • LED display to easily show gas concentrations
    • End of life notification
    • Field calibration kits available
    $903.00
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  27. $280.00
    SKU: R-454B-Gas-1000-PPM

    Macurco R-454B-Gas-1000-PPM Refrigerant Calibration Gas Cylinder 34L 50% LEL R-454B (M)

    • R-454B refrigerant calibration gas
    • 50% LEL concentration for reliable testing
    • 34-liter gas cylinder
    • Ensures accurate sensor calibration and verification
    • Ideal for HVAC and refrigeration applications
    $280.00
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  28. $220.00
    SKU: WXS-AM

    Optex WXS-AM 180° Panoramic Outdoor PIR Detector

    • Up to 40', 180 degree outdoor PIR with anti-masking
    • 4 PIR providing left/ right double layered detection for pet tolerance
    • Selectable low (2.6'-4') or high (6.5') mount
    • Independent left/ right detection areas and alarm outputs - ideal for CCTV
    $220.00
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  29. $75.50
    SKU: 319PIRC

    ELK 319PIRC 360° Motion Sensor, 319 Series

    • Designed for ceiling mount applications
    • 360° coverage with detection area of 14-40 feet, depending on the mounting height
    • 319.5 MHz operating frequency
    • Compatible with many popular systems, including M1 Controls
    • Ideal for existing Interlogix systems in need of replacement sensors
    $75.50
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  30. $71.87
    SKU: RFMS-ZBMS-3

    Bosch RFMS-ZBMS-3 Wireless Sensor, 3 pack

    • 5 year or greater battery life with a single CR2 battery
    • Reliable door/window installation is assured with LED indicators for radio link quality, and detector/ magnet alignment
    • Best in class false alarm immunity and installation flexibility through use of 1.3 inch (33 mm) break distance width Hall effect sensor
    $71.87
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  31. $46.80
    SKU: 20RS-12-W

    GRI 20RS-12-W Miniature Recessed Switch Set, 1/2" Gap Closed Loop, White

    • Ideal for thin framed doors and windows
    • Recessed magnetic contact
    • Press to fit
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    $46.80
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  32. $43.95
    SKU: AP-360B-C

    Optex AP-360B-C- Indoor Recessed Mount PIR Detector with 360 Degree Detection, Wired

    • 20' detection area at mounting height 14'9"
    • Compact and discreet design
    • Detection sensitivity: High, Medium, Low selectable
    • Can be installed with recessed mount on the walls / ceiling
    • Tamper function
    $43.95
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  33. $26.22
    SKU: MSS-301C-WG-GREY

    Magnasphere MSS-301C-WG-GREY 1" Recessed with 1 switch, 1 Closed Loop with Extended Reach Magnet (5/8" min gap) - Grey

    • Multiple (2 or 3) individual contact outputs
    • Available in closed and open loop configurations
    • Available in 1" diameter recessed, and surface mount, armored cable version
    • Cost competitive
    • UL and ULC listed
    $26.22
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  34. $16.94
    SKU: N78BLK-STDD

    Nascom N78BLK-STDD Recessed 1" PTF DPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads, Black

    • Snap fit on steel - no glue required
    • 12" 22AWG wire leads
    • Wide gap - N35 NdFeB rare earth magnetÑ‚
    • Encapsulated hermetically sealed contacts
    • Polypropylene housings
    $16.94
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  35. $8.70
    SKU: NC1175TWUM-ST1KBD

    Nascom NC1175TWUM-ST1KBD NC1175TUM White Set with 1K Resistor and A Blue Dot

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • Polypropylene Switch Housing
    • Listed To UL634 Standard
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $8.70
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  36. $3.36
    SKU: SM-431-TQ/W

    Seco-Larm SM-431-TQ/W Screw-Terminal Surface-Mount Magnetic Contacts, White

    • Miniature surface-mount magnetic contacts
    • Screw mount using side tabs or break off tabs for adhesive mount
    • Gold-plated screw terminals for longer expected life and reliability
    • Tape to cover screw terminals included
    • 1" (25mm) Gap
    $3.36
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  37. $16.07
    SKU: SM-226RQ

    Seco-Larm SM-226RQ Overhead Door-Mount N.C. Magnetic Contact

    • Switch contained in curved, low-profile, cast-aluminum housing
    • Magnet enclosed in round bracket
    • 24" (61cm) Wire leads enclosed in stainless-steel cable
    • 2-3/4" (70mm) Gap
    • Switch dimensions: 4-3/8"x1-3/4"x7/16" (111x44x11 mm)
    $16.07
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  38. $381.44
    SKU: ISC-FPB1-W120QF

    Bosch ISC-FPB1-W120QF 4 Channel Quad-Beam Photoelectric Detector

    • Quad beam detection
    • Environmental discrimination circuit
    • Beam power control to reduce cross-talk
    $381.44
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  39. $287.37
    SKU: ISC-FPB1-W60QF

    Bosch ISC-FPB1-W60QF 4 Channel Quad-Beam Photoelectric Detector

    • Quad beam detection
    • Environmental discrimination circuit
    • Beam power control to reduce cross-talk
    $287.37
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  40. $159.00
    SKU: QXI-DT

    Optex QXI-DT Hard-Wired Model with Anti-Blocking and Dual-Technology

    • 40', 120 degree outdoor PIR with anti-blocking
    • Dual-technology for greater stability, double layered detection and pet tolerant
    • High (7'-9') mount or low mount (2.6'-4') for pet alley mode
    • SMDA logic and double conductive shielding to minimize nuisance alarms
    $159.00
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  41. $33.74
    SKU: ISN-CSD70-W

    Radionix by Bosch ISN-CSD70-W 3/4" White Stubby Recessed Contact - 10pk

    • Closed loop
    • Sensitive non-stick rhodium reed
    • Bent long leads keep solder off the glass of the reed
    • Two solder points on the wire
    • Thick plastic shell resists crushing
    $33.74
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  42. $18.52
    SKU: N1178CB-STDD

    Nascom N1178CB-STDD Recessed 3/4" Stubby DPDT Switch / Magnet Set for Steel / Wood Doors, Wire Leads, Brown

    • Snap Fit on Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $18.52
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  43. $15.44
    SKU: N78B-STSD

    Nascom N78B-STSD Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads

    • Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors
    • Wire Leads
    $15.44
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  44. $10.89
    SKU: 240-8

    United Security Products 240-8 240 Twist LOC with 0.4mm Rare Earth Magnet

    • 0.6 Inch Gap
    • Size 1/4″ x 1/2″
    • Closed Circuit
    • 24″ Leads
    • 0.4″ diameter disc magnet
    $10.89
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  45. $10.57
    SKU: 142-SP

    United Security Products 142-SP Wide Gap 3/8" Press Fit Contact, SPDT 0.70" Gap

    • Wide gap 3/8" press fit contact
    • SPDT - 0.70" gap
    $10.57
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  46. $7.32
    SKU: 150-SP

    United Security Products 150-SP 3/8" x 3/5" Stubby Press Fit Contact, CC

    • 3/8″ x 1/2″ Stubby Press Fit
    • 0.50 Inch Gap
    • Rhodium Contacts
    • Pre-Wired 24″ Inch Leads
    • Powerful Rare Earth Magnet
    $7.32
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  47. $7.18
    SKU: 130-SP

    United Security Products 130-SP Wide Gap Mini Stick-on Contact 1.0' Gap - CC

    • 1" SP Wide Gap Performance
    • Rhodium Contacts
    • Self-Adhesive or Screw Mounting
    • Ideal for Sliding Doors and Windows
    • Break-away Flange
    $7.18
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  48. $4.85
    SKU: N25WGSW-SW1K

    Nascom N25WGSW-SW1K Mini Rectangular Stick On Closed Loop Switch Only with 1K Res In Ser, Wire Leads

    • Mini Rectangular Stick On Closed Loop Switch Only
    • 1K Res In Ser
    • Wire Leads
    $4.85
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  49. $656.25
    SKU: TX-12-ND WHITE

    Macurco TX-12-ND WHITE 120V Nitrogen Dioxide Fixed Gas Detector Controller and Transducer, White Housing

    • Mounts on a standard 4" x 4" electrical box
    • 5 A SPDT relay controls valves, louvers or exhaust fans
    • 0.5 A N.O. or N.C alarm relay connects to warning devices or control panels
    • 4-20mA current loop - compatible with the Macurco DVP-120 Control Panel
    • Supervised system design: detector problem will cause relay activation
    $656.25
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  50. $27.00
    SKU: MSS-RFS-200-W

    Magnasphere MSS-RFS-200-W 3.2" Wireless Door Contact Compatible with Honeywell, White

    • Made in America
    • Smaller / Narrow switch package
    • Higher Security Magnasphere Switch technology
    • Superior RF performance even on steel surfaces
    • Ultra-low current draw extends battery life (up to 14+ years)
    $27.00
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