Product details

PolyGard® Warning and Sensor Board WSB
WSB2-A-223311000
Housing type A, 90 x 130 x 57 mm
24 V DC / AC
With 1x alarm relay & 1x  fault relay (configurable as alarm relay in addition)
With buzzer &  status LED (red, yellow, green)
Analog output & RS-485 with Modbus protocol (baud rate selectable)
1x digital input
1x analog input 4–20 mA
Without display
2x SC mounting slot (different gas types!)
Without  further options

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PolyGard® Sensor SC
SC2-E1130-C-P-00
Nitrogen dioxide,   NO₂
Measuring range: 0–30 ppm (electrochemical sensor)
Sensor housing plastic (standard)
For connection on SB/MSB/MSC
digital calibration
protection class: IP65