CET QCC Quad Channel Controller

CET QCC Quad Channel Controller

The QCC Quad Channel Controller offers four channel configurations for monitoring toxic, combustible and/or refrigerant gases with versatile control functionality for non-hazardous, non-explosion rated, commercial and light industrial applications. It is designed to accept inputs from up to four remote digital and/or analog transmitters using digital or 4-20 mA analog input.

The QCC is available in two models, the QCC-M with Modbus® RS-485 output or the QCC-B with BACnet® MS/TP output for communicating with a Building Automation System (BAS).


The QCC can be connected to several remote devices such as the RSH-24VDC Remote Strobe/Horn combo, a QCC-RDM Remote Display Module and the LNK-AO Analog Output Peripheral device.


  • Up to 4 channels of gas readings in any combination of analog and/or digital transmitters
  • Standard Modbus® RS-485 digital output signal for LAN and WAN communications
  • Optional BACnet® MS/TP output signal for WAN communications only (for communicating with a BAS)
  • Optional two 4-20 mA outputs with data logging
  • 3 dry contact relays, 5-amps @240 volts each
  • 4 line, 20 character LCD display with LED indicators
  • Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 rated with water tight, door mounted audible alarm installed
  • USB port for firmware upgrades and data logging
  • Thermal resetting fuses
  • RoHS compliant circuit boards


  • Parking Garages/Car Parks
  • Ice Arenas
  • Commercial Indoor Pools
  • Waste Water Treatment Plants
  • Chiller Rooms