Contact Sensors

Contact sensors, magnetic sensors, and door sensors compatible with ControlByWeb products

  • 5VDC Water Sensor

    5VDC Water Sensor

    $29.99
    GRI-2605
    Prevent undetected water damage from leaking pipes and water heaters. Using no mechanical parts, the GRI Water Sensors are triggered by a moisture bridge across the sensor contacts.

    Will Detect Any Conductive Non-Flammable Liquid

    Automatic Reset

    6 Foot Jacketed Lead Standard

    Detects liquids of 1/16″ in depth

    [frequentlyBought ids="6908,6846,6652"]

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  • GRI-28C Magnetic Sensor

    GRI-28C Indoor Magnetic Contact Sensor

    $21.99
    GRI-28C-W
    Remotely monitor magnetic contact-closure sensors using ControlByWeb modules. The GRI Closure Sensors can be installed on most doors, windows, cabinets, security/control boxes, and more.

    Terminal Location: Bottom

    Circuit Types:N/O or N/C

    Gap Distance: 1″ (5/8″ on steel)

    Automatic Reset

    [frequentlyBought ids="6908,6846,6652"]

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  • GRI-29C Magnetic Contact Sensor

    GRI-29C Indoor Magnetic Contact Sensor

    $21.99
    GRI-29C-W
    Remotely monitor magnetic contact-closure sensors using ControlByWeb modules. The GRI Closure Sensors can be installed on most doors, windows, cabinets, security/control boxes, and more.

    Terminal Location: Side

    Circuit Types: N/O or N/C

    Gap Distance: 1″ (5/8″ on steel)

    Automatic Reset

    [frequentlyBought ids="6908,6846,6652"]

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  • MPS indoor magnetic sensor

    MPS Indoor Magnetic Contact Sensor

    $14.99
    MPS45WGW
    Remotely monitor magnetic contact-closure sensors using ControlByWeb modules. The GRI Closure Sensors can be installed on most doors, windows, cabinets, security/control boxes, and more.

    Terminal Location: (none)

    Circuit Types:Fixed N/O Circuit

    Gap Distance: 1 1/4″ (3/4″ on steel)

    Low-Profile Design

    [frequentlyBought ids="6908,6846,6652"]

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  • GRI-4402 A Wide Gap Magnetic Sensor

    GRI-4402-A Industrial, Wide-Gap Magnetic Sensor

    $59.99
    GRI-4402-A
    Monitor chain link gates, safes, walk-in freezer, doors, etc. These rugged industrial contact sensors are triggered by the proximity of a magnetic field (magnet included). They are weather resistant and offer a wide temperature operating range (-40F to 257F). They come with a 36″ armored cable to resist vandalism.

    Mountable up to 2 1/2″ apart

    Contact Form: C

    Circuit Types: Open/Closed

    3 ft Armored Cable

    [frequentlyBought ids="6908,6846,6652"]

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  • GRI-4701 A Garage Door Magnetic Sensor

    GRI-4701-A Garage Door Magnetic Contact Sensor

    $69.99
    GRI-4701-A
    Monitor doors remotely with magnetic closure sensors. The GRI-4701-A sensors are designed to eliminate false alarms that are common with standard floor switches getting damaged by forklifts or other equipment.

    Mountable up to 3″ apart

    Contact Form: C

    Circuit Types: Normally Open/Normally Closed

    Adjustable Magnet Bracket

    [frequentlyBought ids="6908,6846,6652"]

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  • Vegapoint 11 Ultra-Compact Capacitive Limit Switch

    VEGAPOINT 11 Capacitive Limit Switch

    $216.00
    P11.XAGI
    The VEGAPOINT 11 ultra-compact capacitive limit switch for detection of water-based liquids. Hygienic adapters available. From DK > 2, 1/2″ NPT thread, M12 connector, transistor output.
    • Low-cost limit switch
    • For water-based liquids
    • Options for various media
    • Call for additional options

    [frequentlyBought ids="6908,6707,6846,6550"]

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  • Vegapoint 21 Sensor

    VEGAPOINT 21 Capacitive Limit Switch

    $292.00
    P21.XXXXXAGTIB
    The VEGAPOINT 21 compact capacitive limit switch for detection of water-based liquids. Hygienic adapters available. From DK > 1.5, 1/2″ NPT thread, M12 connector includes 5m of cable, valve plug, transistor output.
    • Low-cost limit switch
    • For water-based liquids
    • Coloured 360° status display, adjustable
    • Call for additional options

    [frequentlyBought ids="6908,6707,6846,6550"]

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