NEW RKI BEACON 800 EIGHT CHANNEL WALL MOUNT OXYGEN GAS MONITOR CONTROLLER SET UP FOR THE DETECTION OF OXYGEN SEE PICTURES SAME DAY SHIPPING AVAILABLE ON ORDERS MADE BEFORE 4PM EST. Specifications Physical Dimensions Height: 12.5? 318 mm Width 11.0? 279 mm Depth 6.4? 163 mm Enclosure Wall mounting grey polycarbonate with hinged cover. Conduit Connection 3/4? NPT conduit hubs, 4 provided for sensors, power and relay wiring. Wiring Termination Screw type terminal block, 14 gauge max. Environmental Operating Temp -4F to 122F (-10C to 50C) Storage Temp -4F to 158F (-20C to 70C) Relative Humidity 0 ? 100% RH Enclosure Rating NEMA-4X enclosure, waterproof, chemical, and weather resistant. Inputs 4-20 mA Accepts any 4-20 mA transmitter (24 VDC, 2 or 3 wire). A wide variety of RKI sensors are available with4-20 mA signals. Wiring distances up to 8,000 feet. Outputs Relays 2 relays per channel 10 amp rating, SPDT isolated contacts. 1 set of common relays: 2 for gas alarm levels 1 for malfunction Relays fully programmable for: Increasing or decreasing alarms Latching or self reset Normally energized or normally de-energized Time delay for alarm on and alarm off Display 2 alphanumeric displays with backlighting. 16 characters per line; 4 lines each. All 8 channels continuously displayed. Audible Built-in audible alarm, 94 dB steady tone, mounted on enclosure. Visual 4 visual LED alarms on front cover for alarm indications, pilot, and malfunction. Optional Expansion Cards Individual 4-20 mA (or 1 ? 5 VDC) outputs Heavy duty relay card (4 each @ 30 amps) Power 85-264 VAC or 24 VDC standard Battery backup option available