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Specifications
Physical
Dimensions:
Height: 8.5″ 216 mm
Width 7.0″ 178 mm
Depth 4.3″ 109 mm
Conduit Connection
3/4″ NPT conduit hubs, 2 provided.
1 for sensor wiring
1 for power & relay wiring
Wiring Termination: Screw type terminal block 14 gauge max.
Power: Universal 115 VAC & 220 VAC, or 24 VDC nominal, battery backup option available
Controls: 3 internal push buttons for setup, programming, and calibration. 1 external push button for alarm reset
Environmental
Operating Temp: -4°F to 122°F (-20°C to 50°C)
Storage
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: 3 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
4-20 mA: Signal output, 4-20 mA (maximum load impedance 500 ohms), per channel
24
Display: 2 x 8 Alphanumeric display with backlighting.
Audible: Built-in audible alarm, 94 dB, mounted on
Visual: 3 LED’s on the front cover for alarm status indication, and malfunction
