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Trace CO  |  0 to 200 PPM Range

Model 120-CO

Panel Mount
Internal EC900 Sensor

The Model 120-CO is a panel mounted analyzer that accurately measures carbon monoxide in the range of 0 to 200 ppm. Designed for continuous operation, this analyzer measures and displays the level of carbon monoxide in controlled environments and workplace areas to ensure the safety of plant personnel.

The analyzer features audible and visual alarms. Two alarms with relays are fully adjustable over the entire operating range of 0 to 25%. The OEM 100-CO analyzer is available with loop-powered 4-20mA current output.

  • Sensor: electrochemical
  • Operating Range: 0 to 200 PPM CO
  • Response Time: T90 < 40 seconds
  • Pressure Range: Atmospheric ±10%
  • Operating Temperature: 2°C to 50°C (35°F to 122°F)
  • Warm-up Time: 5 seconds
  • Low Alarm Setpoint: 20 PPM
  • High Alarm Setpoint: 50 PPM
  • Power: 115/230VAC, 50/60 Hz or 9 to 15VDC
  • Dimensions (LxWxH): 6.75” x 5.0” x 3.81” (171mm x 127mm x 97mm)
  • Weight: 5 lbs (2.3 kg)
  • 0 to 200 PPM measurement range
  • Alarm horn with silence switch
  • Two adjustable alarm setpoints with relays
  • Large ½” high LED display
  • Electrochemical sensor, unaffected by background gases