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Specifications
Physical
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
Environmental
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
Inputs
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
Sampling Methods: Diffusion and sample draw heads available
Outputs
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
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)
Power: 115 VAC or 24 VDC standard, Optional 230 VAC. Battery backup option available
