Gas detection controller simply redefined.
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The SMC Model 4001 Controller is a comprehensive hazardous gas detection monitoring system designed with flexibility and features to meet specific light industrial applications, such as wastewater. Its user-friendly design makes installation and operation a simple task.

  • Modular design allows 2, 4, or 8 channel configurations
  • Rugged NEMA 4X enclosure protects in wet or dirty environments
  • 0-20 mA analog input/output
  • Three 5 amp relays for field devices and notification systems
  • RS-485 Modbus RTU output for remote monitoring with Cloud connectivity
Markets: SMC

Approvals subject to change without notice and may differ based on configuration, part number and/or country.
Contact Customer Service or check approval label on product for specific approval information.

  • UL 508A
  • MET
  • SIL