RKI S2-LEL(65-2451RK)气体传感器/变送器(0-100%LEL)

Sensors: Catalytic
Measuring Ranges: 0-100% LEL
Lower Detectable Limit (LDL): 2% of full scale
Max Current Draw (24VDC): 200 mA (power wires) 25 mA (signal wires)3 wires
Response Time (T-90): 20 Seconds
Life Expectancy: 3-5 years with normal service 
Accuracy(which ever is greater): +/- 5% of full scale (0.5% volume for oxygen)
Location: Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, and D.
Temperature: -40°F to 167°F -40°C to 75°C 
Humidity: 0 – 99% RH, non condensing
Housing J Box : Cast aluminum explosion proof, optional stainless steel J-box available
Sensor: Stainless steel explosion proof
Zero: Sets transmitter output to 4 mA with zero output from sensor
Span: Sets transmitter output to proper level when span gas is applied
Output: 4 – 20 mA signal
Operating Voltage: 11 VDC to 30 VDC 19-30VDC (250 OHMS impedance max)
Approvals: 65-2451RK UL 
Controllers: Compatible with the following controllers: Beacon 110, Beacon 200, Beacon 410, and 800, also PLC and DCS systems

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