Beakon 110 Single Channel
Wall Mount Controller

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    • Description
    • Features
    • Applications
    • Specifications
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    Gas detection should not be complicated. The Beacon 110 is gas detection simplified.

    The Beacon 110 is a powerful, low cost fixed system controller for one point of gas detection. It is microprocessor controlled, versatile, simple to install and operate, and priced to be the industry’s best value single gas detection controller. It is capable of accepting RKI sensors directly for LEL level combustibles, Oxygen, Hydrogen Sulfide, or Carbon Monoxide. The Beacon 110 can also accept any 4-20 mA transmitter (2 or 3 wire, 24 VDC). Sensors can be mounted directly at the Beacon 110 housing, or can be wired remote from the controller.

    The 10 amp rated relays are strong enough to directly power external alarms and horns. The digital display has backlighting and simultaneous readout of the gas type and concentration.

    The Beacon 110 is also housed in a NEMA 4X rated case for a weather tight seal. This case design complies with lock out / tag out standards and can be fully secured. An external reset switch allows the alarm to be silenced from outside of the controller housing. The Beacon 110 ships complete with a wall mounting kit for easy installation.

    RKI offers the industry’s widest selection of standard and toxic gas detection sensors, which can be utilized with the Beacon 110, providing gas monitoring protection for almost any application.

    • Low cost versatile solution
    • Compact, weatherproof, NEMA 4X enclosure
    • 115/220 VAC or 24 VDC operation
    • Long life sensors (2+ years typical)
    • Accepts RKI LEL/O2/H2S/CO direct connect sensors
    • Accepts any 4-20 mA transmitter
    • Audible alarm with reset button
    • Two programmable alarm levels
    • Built-in trouble alarm with relay
    • Relay rating 10 amps, form C
    • Provides 4-20 mA output
    • Petrochemical plants
    • Refineries
    • Water & wastewater treatment pants
    • Pulp & paper mills
    • Gas, telephone, & electric utilities
    • Parking garages
    • Manufacturing facilities
    • Steel
    • Automotive
    • HVAC
    DimensionsHeight: 8.5″ 216 mm
    Width 7.0″ 178 mm
    Depth 4.3″ 109 mm
    EnclosureWall mounting grey polycarbonate with hinged cover.
    3/4″ NPT conduit hubs, 2 provided.
    1 for sensor wiring
    1 for power & relay wiring
    Screw type terminal block 14 gauge max.
    Universal 115 VAC & 220 VAC, or 24 VDC nominal, battery backup option available
    3 internal push buttons for setup, programming, and calibration. 1 external push button for alarm reset


    Operating Temp-4°F to 122°F (-20°C to 50°C)
    Storage Temp-4°F to 158°F (-20°C to 70°C)
    0 – 100% RH
    NEMA-4X enclosure, waterproof, chemical, and weather resistant.


    Direct Wired
    Carbon Monoxide
    Hydrogen Sulfide
    Remote amp not required for less than 500 feet.
    4-20 mA SensorsAccepts any 4-20 mA transmitter (24 VDC, 2 or 3 wire). A wide variety of RKI/Riken sensors are available with 4-20 mA signals. (See list of detectable gases.) Wiring distances up to 5000 feet
    Sampling MethodsDiffusion and sample draw heads available.


    Relays3 relays – 10 amp rating (at 115 VAC), SPDT isolated contacts. 2 relays for gas alarms and 1 trouble relay. Relays fully programmable for: increasing or decreasing alarm, latching or self reset, normally energized or normally de-energized, time delay for alarm on and alarm off
    4-20 mASignal output, 4-20 mA (maximum load impedance 500 ohms), per channel
    24 VDC24 VDC (400 mA max) output provided to operate sample drawing adapters or other accessories
    Display2 x 8 Alphanumeric display with backlighting.
    AudibleBuilt-in audible alarm, 94 dB, mounted on enclosure
    Coded output: pulsing = gas alarm, steady = fail
    Visual3 LED’s on the front cover for alarm status indication, and malfunction


    One year materials and workmanship
    Partial List Of Detectable Gases
    Many other gases or ranges available. Contact RKI for gases or ranges not listed.
    Ammonia (NH3)
    0 – 75.0 ppm
    Arsine (AsH3 )0 – 0.20 ppm
    Boron Trichloride (BCl3)0 – 15.0 ppm
    Carbon Dioxide (CO2)0 – 1.0 %
    Carbon Monoxide (CO)0 – 300 ppm
    Chlorine (Cl2)0 – 3.0 ppm
    Chlorine Dioxide (ClO2)0 – 1.00 ppm
    Chlorine Trifluoride (ClF3)0 – 1.00 ppm
    Combustibles0 -100% LEL
    Diborane (B2H6)0 – 30.0 ppm
    Fluorine (F2)0 – 6.0 ppm
    Hydrogen (H2)0 – 2000 ppm
    Hydrogen Chloride (HCl)0 – 15.0 ppm
    Hydrogen Fluoride (HF)0 – 9.0 ppm
    Hydrogen Sulfide (H2S)0 -100.0 ppm
    Nitric Oxide (NO)0 -100.0 ppm
    Nitrogen Dioxide (NO2)0 – 15.0 ppm
    Nitrogen Trifluoride (NF3)0 – 30.0 ppm
    Oxygen (O2)0 – 25.0 %
    Ozone (O3)0 – 1.0 ppm
    Phosphine (PH3)0 – 1.0 ppm
    Silane (SiH4)0 – 15.0 ppm
    Sulfur Dioxide (SO2)0 – 30.0 ppm
    TEOS (Si(OC2H5)4)0 -15/30 ppm

    Specifications subject to change without notice.
    Made in the USA

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