Beacon 200 Two Channel Wall Mount Controller

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Item #: 72-2102RK
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$2,373.42 Was: $2,500.00
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Beacon 200 Two Channel Wall Mount Controller

The Beacon 200 is a powerful, low cost fixed system controller for two points of gas detection. It is microprocessor controlled, versatile, simple to install and operate, and priced to be the industry's most economical two point controller. It is capable of connecting directly to RKI sensors for LEL level combustibles, Oxygen, Hydrogen Sulfide, or Carbon Monoxide. The Beacon 200 can also accept any 4-20 mA transmitter (2 or 3 wire, 24 VDC). Sensors can be mounted directly at the Beaconª 200 housing, or can be wired remotely from the controller.

The 10 amp rated relays are strong enough to actuate most external alarms and horns without using slave relays. The digital display has backlighting and simultaneous readout of the gas type and concentration.

The Beacon 200's housing is rated NEMA 4X for corrosion resistance and a weather tight seal, and complies with lock out / tag out standards. An external reset switch allows the alarm to be silenced from outside of the controller housing. The Beacon 200 comes complete with a wall mounting kit for easy installation.

  • 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

Beacon 200 Two Channel Wall Mount Controller


Dimensions Height: 10.5” 267 mm Width: 8.5” 216 mm Depth: 6.3” 158 mm
Enclosure Wall mounting grey polycarbonate with hinged cover
Conduit Connection 3/4” NPT conduit hubs, 3 provided. 2 for sensor wiring and 1 for power & relay wiring
Wiring Termination Screw type terminal block, 14 gauge max
Controls 4 internal push buttons for setup, programming, and calibration. 1 external push button for alarm reset


Operating Temp -4°F to 122°F (-10°C to 50°C)
Storage Temp -4°F to 158°F (-20°C to 70°C)
Relative Humidity 0 – 100% RH
Enclosure Rating NEMA-4X enclosure, waterproof, chemical, and weather resistant


Direct Wired Sensors LEL, Oxygen, Carbon Monoxide, Hydrogen Sulfide Remote amp not required for less than 500 feet
4-20 mA Sensors Accepts 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 Methods Diffusion and sample draw heads available


Relays 7 relays – 10 amp rating (at 115 VAC), SPDT isolated contacts. 2 relays for gas alarm levels per channel, plus 2 relays for common gas alarm and 1 common relay for malfunction. 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 mA Signal output, 4-20 mA (into 1000 ohms impedance maximum), per channel
24 VDC 24 VDC (350 mA max) output provided to operate sample drawing adapters or other accessories
Display Alphanumeric display with backlighting. 20 characters per line; 4 lines each
Audible Built-in audible alarm, 94 dB, mounted on enclosure Coded output: pulsing = gas alarm, steady = fail
Visual 4 LED’s on the front cover for alarm status indication, pilot, and malfunction
Optional Expansion Cards Individual 4-20 mA (or 1 – 5 VDC) outputs Heavy duty relay card (4 each @ 30 amps)


Battery 110-240 VAC or 24 VDC standard. Battery backup option available


One year materials and workmanship

Beacon 200 Two Channel Wall Mount Controller

Partial List Of Detectable Gases Many other gases or ranges available.
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
Combustibles 0 -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

Beacon 200 Two Channel Wall Mount Controller

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