Industrial Utility Efficiency    

GfG Instrumentation Introduces RAM 4021 Respiratory Airline Monitor

The RAM 4021 supplied air monitor is designed to monitor for carbon monoxide in compressor supplied breathing air applications.

RAM 4021 Respiratory Airline Monitor

RAM 4021 Respiratory Airline Monitor meets all OSHA Standards for both Grade D & E respiratory air.

The monitor meets all OSHA standards for both Grade D & E respiratory air. The unit incorporates an accurate and reliable chemical cell sensor, liquid crystal display and a programmable alarm system. The unique AutoCal feature permits the unit to automatically self-calibrate when test gas is applied, thus eliminating any adjustment controls. An optional high-pressure regulator is available for cascade systems and SCBA tank filling stations allowing inlet pressures to 5,000 psi. An oxygen cell can also be added if oxygen monitoring is required. Also available with dew point sensors in combination with the CO sensor. CSA Certified models are available.


About GfG Instrumentation

GfG Instrumentation is a world leader in gas detection for the protection of life and property. We are committed to meeting and exceeding the needs of our customer's requirements, delivering the highest quality products and best customer service in the industry. We are dedicated to the continual improvement of our products and services by focusing on the satisfaction of our customers, and the effectiveness of our Quality Management System.  For information contact GfG Instrumentation, Inc. at 1194 Oak Valley Drive Suite 20, Ann Arbor, MI 48108, 800-959-0329, e-mail us at or visit