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Sensors: Catalytic
Measuring Ranges: 0 – 100 % LEL
Resolution : 1% LEL
Lower Detectable Limit (LDL): 2% of full scale
Max Current Draw (24VDC): 160 mA with alarm 1 and alarm 2 active and all relays energized
Response Time (T-90): 35 Seconds or less
Life Expectancy: 2 to 3 years with normal service 3 to 5 years with normal service
Accuracy
(which ever is greater): ± 5% of reading or ± 2 % LEL
Weather Resistant : Patented water repellent sensor coating
Alarms
Alarm Settings: Two fully programmable alarm set points, increasing / decreasing, latching /
self-resetting, on delays, off delays, normally energized or de-energized
Alarm Indication: Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red
Relays: 5 amp form ‘C’ contacts for alarm 1, alarm 2, and fail
Physical
Dimensions: Height: 8.5” (215 mm), Width: 5.2” (132 mm), Depth: 4.5” (114 mm)
Display: Alphanumeric OLED display. 8 characters per line;
2 lines for gas concentration readout, plus user-friendly calibration and setup
Enclosure: Explosion proof for Class I, Div 1, Groups B, C, D.
Enclosure Rating: NEMA 4X, explosion proof, watertight, cast aluminum with
Controls: Magnet used for calibration functions. Calibrates without opening the housing.
Internal push-button controls also available for calibration and setup
Operating Environment
Operating Temperature: -40°F to 167°F; -40°C to 75°C
Relative Humidity: 5 – 95% RH non-condensing
Location: Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, D.
Operating Voltage: 10 VDC – 30 VDC
Outputs
Analog: Linear 4-20 mA signal, into 1000 ohms impedance max (24DC), 0 – 500 ohms max (12VDC) corresponding to 0 – full scale
Digital: Modbus RTU output standard, fully configurable, 2-wire RS-485, 1200 to 19.2k baud
Controllers: Compatible with all RKI Beacon controllers, as well as most DCS / PLC systems: Beacon 110, Beacon 200, Beacon 410, Beacon 800
