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ISA-RAL-M with MOS Sensor

CO Monitor

For Supplied-Air Respirators

• Audio and Visual Alarms

• Meter Display of Gas Concentration

• Rugged Solid State Electronics

• Sensor Typically Lasts Up to Three Years

• Low Maintenance

• Operates on 110 or 220 vac and/or 12 vac

• Quick and Easy to Install

• No Special Training Required to Operate

• Includes Two Auxiliary Relays

The ISA-RAL-M carbon monoxide detector automatically and continuously monitors compressed air lines for CO and activates audio and visual alarms if the concentration of the contaminant rises above the preset limit in compliance with Federal OSHA regulations under Title 29, Section 1910.134 (d) (1) and (2) of the Code.

Federal OSHA regulations specify Grade D air for use with supplied-air respirators. In 1989, the Compressed Gas Association established a maximum concentration of 10 ppm CO for Grade D air as published in the ANSI/CGA Standard G-7-1.

ISA-RAL-M provides protection for the employer and the worker using supplied-air respirators by warning the personnel involved that carbon monoxide is present before it becomes a hazardous condition.