SMC Classic Sentry 8-Channel Controller



The SMC Sentry Classic Controller is an 8-channel gas detection system for monitoring combustible gas, oxygen deficiency, and toxic gases. It is a microprocessor-based system that includes management of gas sensors, alarm relays, user interface via front panel display, printer output, Modbus digital communication, alarm indicators, and relay outputs.
  • Menu Prompting - guides and prompts users through system configuration and operation
  • System Security - prevents unauthorized users from changing settings and identifies those who have made changes via user identification codes
  • Diagnostics - performs routine checks of operating parameters and alerts user if a condition requires attention
  • Sensor Scan Display - continuously view current sensor gas exposure readings
  • Multiplex Digital Signals - reduces installation costs by multiplexing sensors to the controller on a common cable
  • Record Keeping - easily keep reports for history, key events or calibration actions
  • Relay Logic - customize relay responses for personalization preferences
  • System Flexibility - expand the controller user experience with accessories, product add-ons and enhancement packages

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.