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Z-Gard® COmbo Gas Monitor

Z-Gard® COmbo Gas Monitor

A cost-efficient monitor for underground garages and ventilation control, the Z-Gard COmbo Gas Monitor uses a solid-state sensor to detect carbon monoxide. The unit features local audio/visual alarm status indicators and it can be configured to interface with air-handling equipment to control air quality within a building. Additional remote sensors can be attached to the unit via the RS-485 network port, while a 4-20mA output is proportional to the calibrated operating range.

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Features & Benefits

  • Unit can communicate with other equipment to control air quality within a building
  • Unit can handle additional remote sensors via RS-485 network port

Options & Specifications

Part Numbers

Part No. Description More Information

Combo, 100ppm


Combo, 100ppm, w/Readout


Combo, 200ppm


Combo, 200ppm, w/Readout



  • Toxic Detection
  • Building Protection

Approvals & Certifications

CSA Certificate of Compliance No. LR51078-5

Product Literature & User Information