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Car Park Toxic Gas Sensor – Z-Gard DS

Car Park Toxic Gas Sensor
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Car Park Toxic Gas Sensor – Z-Gard DS

Z-Gard DS – Car Park Toxic Gas Sensor

The Z-Gard DS Car Park Toxic Gas Sensor is designed to detect the presence of carbon monoxide and nitrogen dioxide gases in parking garages, vehicle storage areas or wherever else these two toxic gases could be found.

These sensors employ electrochemical sensors which generate a representative output signal proportional to the calibrated operating range. The Z-Gard DS Car Park Toxic Gas Sensor is available with 2 output versions, a 4-20mA analog output, or an addressable RS-485 digital signal. Z-Gard Sensors with RS-485 digital output are specifically designed to operate as a system with any Z-Gard CXII or C 485 Controller. Z-Gard Sensors with 4-20mA can be installed as stand-alone sensors typically integrated with the Z-Gard C Controller, or common commercial equipment including PLC, DCS, or building automation systems.


  • 2 sensor output options: 4-20mA analog output or RS-485 digital signal.
  • Sensor status is shown by green OK LED, indicating proper device operation.
  • Switch drive output to percentages of full-scale. This feature is useful for testing remote devices which may be connected to the sensor output.
  • Easy one-person calibration of zero and span.


  • HVAC
  • Car Park
  • Building Protection


  • Toxic Detection
  • Building Protection
  • Combustible Detection