RKI S2-H2 PPM（65-2442RK-1000）气体传感器/变送器（0-1000 ppm）

Sensors: Metal oxide semiconductor
Measuring Ranges: 0-1000 ppm
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): 45 Seconds
Life Expectancy: 5 years with normal service 
Accuracy(which ever is greater): ± 10% of reading or± 5% of full scale 
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
Housing J Box : Cast aluminum explosion proof, optional stainless steel J-box available
Sensor: Stainless steel explosion proof
Controls
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: 19 VDC to 30 VDC
Approvals: UL 
Controllers: Compatible with the following controllers: Beacon 110, Beacon 200, Beacon 410, and 800, also PLC and DCS systems