Geovision · GV-ML600

Geovision GV-ML600 GV-ML600 Electromagnetic Lock

12V electromagnetic lock with fail-safe release for access control doors

• Fail-safe design releases on power loss, maintaining emergency egress code compliance.
• Rated for -20 °C to 60 °C operation, supporting indoor and harsh commercial environments.
• Compact 250 × 47.2 × 26.6 mm surface-mount housing fits standard door frames without modification.

Geovision · GV-PCR1251

Geovision GV-PCR1251 125KHz Enrollment Reader

125kHz enrollment reader for proximity card and key fob registration

• Operates at 125kHz for broad compatibility with existing proximity cards and fobs.
• Compact 4×3×1 in form factor simplifies mounting in enrollment stations or control rooms.
• 3-year warranty reduces long-term support risk in enterprise credential management deployments.

Geovision · GV-PCR1352

Geovision GV-PCR1352 13.56MHz MIFARE Enrollment Reader

13.56MHz MIFARE enrollment reader for access control card programming

• Operates at 13.56MHz for broad MIFARE credential compatibility across deployments.
• Enrollment-focused design accelerates card issuance and reduces provisioning overhead.
• Compact white housing (5×4×2 in, 0.29 lb) backed by a 3-year warranty.

Geovision · GV-R1352-55

Geovision GV-R1352 13.56 MHz Card Reader

IP66 13.56 MHz contactless card reader for outdoor access control

• IP66 rating blocks dust and high-pressure water jets for exposed outdoor mounting.
• 13.56 MHz frequency supports ISO 14443 Type A/B cards across existing badge infrastructure.
• Indoor/outdoor rated with integrated AC control cabling to reduce field wiring complexity.

Geovision · 55-RID1352-0101

Geovision GV-R1352 Card Reader (13.56 Mhz) - 55-RID1352-0101

• GV-R1352 13.56 MHz RFID card reader for access control
• IP66 weather-sealed for outdoor door entry installations
• Reads proximity cards, fobs, stickers, and tags

Geovision · GV-R1352

Geovision GV-R1352 Card Reader IP66

IP66 outdoor card reader for proximity & magnetic stripe access

• IP66-rated enclosure resists dust ingress and high-pressure water spray in any direction.
• Outdoor-rated white housing survives moisture-prone entryways without reader failure.
• 3-year warranty backs deployment in campus, retail, and industrial access control systems.

Geovision · 84-RK13520-0200

Geovision GV-RK1352 Card Reader - 84-RK13520-0200

• IP66-rated housing withstands rain, dust, and direct spray for outdoor deployment.
• Wiegand (26/34-bit) and RS-485 outputs integrate with standard access control panels.
• Single-gang wall mount accepts GV-MountA900 bracket for US-standard electrical boxes.

GRI · 2800

GRI 2800 Surface Mount Water Contact Sensor

Surface-mount water sensor with direct contact detection, no drilling

• Surface-mount water contact sensor reacts only to liquid presence
• 5VDC operation drops into standard ELK low-voltage zone wiring
• Filters out humidity false alarms for sub-floor and server rooms

GRI · 2800-W

GRI 2800-W Surface Mount Water Contact Sensor

Surface-mount water sensor for leak detection in facilities

• Surface-mount water contact closes dry contact when bridged
• 5-24 VDC operation with 10 uA standby current - very low power
• Drops into computer rooms, sub-floors, and telecom equipment areas

GRI · 2808

GRI 2808 Absence of Water Detector

Water absence detector for server rooms and equipment enclosures

• Absence-of-water detector signals dry condition at the probe
• Operates -40 to 70 degrees C for outdoor and unheated rooms
• 12 inches of direct-burial cable for outdoor sump-pit deployment

GRI · 2826FS

GRI 2826FS Liquid Level Detector

Industrial liquid level detector with 30VDC operation and wall mount

• Liquid level detector signals presence and level state in real time
• Wall-mount form factor fits tank, sump, and reservoir installs
• Industrial-grade build for facility process control environments

GRI · 400-W

GRI 400-W 4" Surface Mount Contact

4" surface mount contact for TCP/IP networked door access control

• 4-inch surface-mount door contact fits standard frame cutouts
• Built-in EOL resistors and diodes available on request
• Drops onto existing door hardware with no frame modification

GRI · 410-W

GRI 410 Series 4" Commercial/Industrial Surface Mount Contact

4" surface mount contact for door monitoring & strike control

• 4-inch commercial surface-mount door contact for industrial install
• Side-terminal connections accept conduit and armored cable
• Lifetime warranty - US-made magnetic switch and magnet assembly

GRI · 410P-W

GRI 410P Series 4" Commercial/Industrial Surface Mount Contact with...

4" surface mount door contact for commercial access control systems

• 4-inch commercial surface-mount contact with 36-inch armored cable
• Pre-attached shielded leads cut on-site wire pulls
• Built-in EOL resistors and diodes available on request

GRI · 4110

GRI 4110 Commercial Overhead Door Contact

Commercial overhead door contact for access control integration

• Commercial overhead door position contact for warehouse doors
• Provides real-time open/closed feedback to access control systems
• Lifetime warranty - US-made 3.6 x 3.7 x 0.9 in housing

GRI · 4400

GRI 4400 Aluminum Industrial Wide Gap Contact

Aluminum contact for wide-gap door frames in commercial access control

• Aluminum wide-gap industrial contact resists oxidation in damp sites
• Lifetime warranty - US-made 2.0 x 0.6 x 0.72 in housing
• Secures chain-link gates, overhead doors, and outbuildings

GRI · 4400AB

GRI 4400AB Biased Aluminum Industrial Contact Switch

SPDT contact switch with 1/2"–2" adjustable gap for gate and dock automation

• Biased aluminum contact - 1/2 to 2-inch adjustable door gap range
• 36-inch pre-attached armored cable cuts on-site wire pulls
• Lifetime warranty - US-made biased switch with anti-defeat logic

GRI · 4402

GRI 4402 Series Aluminum Industrial Contact

Aluminum industrial contact for access control door monitoring

• Aluminum industrial contact for door position monitoring
• Built-in EOL resistors and diodes available on request
• Lifetime US-made warranty - rack-mountable for control cabinets

GRI · 4402AB

GRI 4402AB Biased Aluminum Industrial High Security Contact

Industrial aluminum high-security contact for access control readers

• Biased aluminum high-security industrial contact resists tampering
• Engineered bias mechanism for consistent contact engagement
• Lifetime US-made warranty for industrial access control deployments

GRI · 4473-W

GRI 4473 Series 3/4" Recessed Contact for Wood/Aluminum/Vinyl

3/4" recessed magnetic reed contact for wood, aluminum, vinyl doors

• 3/4-inch recessed door contact for wood, aluminum, and vinyl frames
• Recessed mounting hides hardware - low visual impact at the frame
• Lifetime US-made magnetic reed switch (N.O.) for door monitoring

GRI · 4532

GRI 4532 Mini Overhead Door Contact

Mini overhead door contact with magnetic reed switch for low-profile monitoring

• Mini overhead door contact uses no-moving-parts magnetic reed
• Lifetime US-made warranty for high-traffic warehouse doors
• Compact form factor fits tight overhead door frame cavities

GRI · 4532L

GRI 4532L Mini Overhead Door Contact with Lead Wire

Mini overhead door contact with hardwired lead—no power needed

• Mini overhead door contact with pre-attached lead wire
• Lead-wire termination cuts on-site wire pulls and conduit
• Lifetime US-made warranty for retrofit overhead door installs

GRI · 4612

GRI 4612 Mini Curtain Door Contact Sensor

Mini contact sensor for curtain doors and cabinet enclosures

• Mini curtain door contact for thin-wall and cabinet installations
• Contact closure signaling to standard alarm zone inputs
• Lifetime US-made warranty - 0.15 lb compact housing

GRI · 4700A

GRI 4700A Industrial Track Mount Overhead Door Contact

Track-mounted overhead door contact for industrial loading docks

• Industrial track-mount overhead door contact for warehouse doors
• Track mounting protects sensor from door cycle impact and debris
• Lifetime US-made warranty for high-cycle commercial deployments

GRI · 4704

GRI 4704 Pull-Apart Industrial Contact

Tool-free pull-apart contact for access control and strike systems

• Pull-apart industrial contact disconnects tool-free for service
• Lifetime US-made warranty - rated for high-cycle access points
• Drops onto standard ELK and 3rd-party access panel zone inputs

GRI · 500-W

GRI 500 Series Micro Surface Mount Contact

Micro surface mount contact for GRI 500 series door monitoring

• Micro surface-mount door position contact for tight install spaces
• 5VDC operation drops into standard alarm zone wiring
• Lifetime US-made warranty - 0.45 lb compact housing

GRI · 505-W

GRI 505 Series 1" Super Mini Brad Surface Mount Contact

1" super mini brad contact for compact access control installations

• 1-inch super-mini brad surface-mount contact for tight installs
• Lifetime US-made warranty - 0.45 lb compact housing
• Switches and magnets available separately for custom door geometry

GRI · 5065

GRI 5065 Series 3/8" Recessed Magnetic Reed Contact

3/8" recessed magnetic reed contact for concealed door detection

• 3/8-inch recessed magnetic reed contact for standard door frames
• Matches 95% of commercial door-to-frame clearance configurations
• Lifetime US-made warranty - 1 lb sealed reed switch assembly

GRI · 5088-W

GRI 5088 Series 3/8" Flat Magnet Recessed Contact

3/8" recessed flat magnet contact for door position feedback

• 3/8-inch flat magnet recessed contact for standard frame depths
• Reduced protrusion lowers tampering and snag-hazard exposure
• Lifetime US-made warranty for commercial door monitoring

GRI · GB-550

GRI GB-550 Glass Break Sensor Open Loop

Acoustic glass break sensor, open loop wiring, 12/24VDC compatible

• Glass break sensor uses acoustic signature for fracture detection
• Filters glass break frequency from ambient vibration and noise
• Open-loop output drops into standard alarm zone wiring

GRI · GI-29AW

GRI GI-29AW Magnetic Door Contact

• Wide-gap surface-mount magnetic door and window contact
• Normally-closed (NC) hardwired output for fail-safe loop monitoring
• Compact white housing matches residential and office trim

GRI · GR1840

GRI GR1840 Oval Channel Magnet with Recessed Switch

Oval channel magnet with integrated recessed switch for door status feedback

• Oval channel magnet with built-in recessed reed switch in one unit
• Single-component install - no separate magnetic contact wiring
• Lifetime US-made warranty - recessed mount for clean appearance

GRI · GR2721

GRI GR2721 High Security Biased Contact

UL634 Level 2 recessed contact for high-security entry monitoring

• UL634 Level 2 high-security biased contact resists tamper and defeat
• 0 to 3/16 inch (4.76 mm) sensing gap for tight surface mount fit
• 10 uA standby current for very low alarm power budget impact

GRI · GR2723

GRI GR2723 High Security Biased Contact

High-security biased contact for access control door strikes

• Biased magnetic contact for high-security door position monitoring
• Lifetime US-made warranty - tamper and defeat resistant
• Drops into standard alarm zone wiring with EOL resistor compatibility

GRI · MS4702

GRI MS4702 Magnasphere High Security Contact

Magnasphere magnetic reed switch for high-security door monitoring

• Magnasphere magnetic reed contact for high-security door monitoring
• Lifetime US-made warranty - drop-in for critical access points
• Compatible with standard alarm panel zone input wiring

GRI · PTDC

GRI PTDC Power Transfer Device with Connector

Power distribution for multi-reader access control with signal isolation

• Power transfer device with connector for multi-door access systems
• Twist-lock cable interface for rapid deployment and replacement
• Lifetime US-made warranty - includes mounting screws and hardware