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The 3M 7000131709 is a replacement carbon monoxide (CO) sensor designed for use in CO monitoring equipment found in compressed air supply systems. This sensor restores accurate CO detection capability to a portable compressed air filter and regulator panel, ensuring continued protection for workers breathing supplied air. Licensed technicians and safety equipment service professionals install this sensor as a direct replacement when the existing sensor reaches the end of its service life or fails calibration. At 0.01 pounds, the sensor is a compact, lightweight component critical to maintaining compliant air quality monitoring on the job site.
This replacement CO sensor fits the 3M Portable Compressed Air Filter and Regulator Panel models 256-02-00 and 256-02-01. It is also compatible with the 3M Retrofit CO Monitor Kit W-2808. These systems are typically used in industrial and trade environments where workers rely on supplied-air respirators, making a functional CO sensor essential for safe operation. This part is appropriate for both scheduled maintenance and emergency sensor replacement in active compressed air breathing systems.
Designed as a replacement for the CO monitor used in the 3M Portable Compressed Air Filter and Regulator Panel 256-02-00 and 256-02-01, and the 3M Retrofit CO Monitor Kit W-2808.
Installation should be performed by a qualified safety equipment technician or industrial hygienist familiar with supplied-air respirator systems. Before servicing, shut down the compressed air supply and depressurize the system according to the equipment manufacturer's guidelines. Follow all applicable OSHA and NIOSH requirements for respiratory protection equipment maintenance. After installing the replacement sensor, verify CO detection function with a known calibration gas before returning the system to service.
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