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Multi-Point Digital Gas Detection and Control System

The PolyGard®1 Series is sunsetting and superseded by our next-generation PolyGard®2 — product availability is significantly limited.

Wall-mounted, microprocessor-based, multi-point, RS-485 digital communicating system for various gas, temperature and humidity detection, control and alarm.

To control and alarm upon the presence of any toxic, combustible and refrigerant gases. A combination of the RS-485 communicating DT5-11/3300 series, and analog AT-11/3300 series or other 4-20 mA transmitters piggybacked via a digital DT-.. transmitter, can be connected to the control unit. The controller can interface via binary outputs, 4-20 mA signals, and an optional BACnet® or Modbus coupler with any compatible electronic control, DDC/PLC control or automation system.

  • Continuous monitoring
  • Up to (16) remote RS-485 digital communicating transmitter inputs; or combination of (8) RS-485 digital & (8) 4-20 mA analog transmitters
  • Up to twelve (12) relay outputs
  • Up to five (5) analog outputs, 4-20 mA
  • Onboard inputs/outputs
  • One (1) 24 VDC supply output
  • Built-in horn
  • Accepts combination of toxic or combustible gases, refrigerants, temperature or humidity sensor inputs
  • Optional BACnet® or Modbus
  • Liquid Crystal Display (LCD)
  • LED status indicators
  • Keypad user interface
  • Simple menu-driven programming
  • Modular technology
  • Overload & short-circuit protected
  • Resettable breaker
  • NEMA 4X (IP65) enclosure
  • Easy maintenance
  • Two years material and workmanship
Two Year Warranty*

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  INTEC Controls office:
12700 Stowe Drive, Suite 100
Poway, CA 92064
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