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The PolyGard®1 Series is sunsetting and superseded by our next-generation PolyGard®2 — product availability is significantly limited.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

Optional data logging function provides internal recording of time/date stamped sensor values, alarms, and system errors. This data is highly valuable during system commissioning and with periodic analysis, ensures long-term system performance.

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

  • Continuous monitoring
  • RS-485 digital bus, serial communication
  • Up to (98) remote RS-485 digital communicating transmitter inputs; or combination of (48) RS-485 digital & (48) 4-20 mA analog transmitters
  • Four (4) digital inputs
  • Up to (5) built-in or remote
  • RS-485 relay/AO modules
  • 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 enclosure
  • Easy maintenance
  • Optional data, alarm, and fault logging
  • 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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