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GfG RAM 4021 AutoCal Continuous Respirable Air Detector

The Best Safeguard for Quality Breathing Air

Designed to meet OSHA requirements for monitoring Grade D respirable air, this unit is equipped with a reliable electrochemical sensor that accurately indicates the level of carbon monoxide on an illuminated liquid crystal display. Adding versatility, this unit offers optional oxygen or dew point sensors for applications where detection or measurement is needed.

Calibration and maintenance are simple with our innovative AutoCalR system. Additional features including alarm relay contacts, user adjustable alarm point, low flow alarm indicator, and many more make this unit an intelligent choice. The RAM 4021 is available in four models, the 4021 (CO), 4021-1 (CO and O2), 4021-DPX (CO and dew point levels), and 4021-PR (CO and additional relay to signal power loss to monitor, complies with newest NFPA regulation). All models may be purchased with or without air line filter systems.

  • Meets OSHA requirements for 'grade D' breathing air
  • Continuous monitoring of supplied breathing air
  • CO, CO + O2, CO + dew point monitoring
  • AutoCalR automatic calibration
  • Three-stage filtering option for up to 8 users
  • User adjustable alarm points
  • Dry contacts for remote horn and lights
  • Internal horn
  • LCD display
  • NEMA 4X casing

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