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Open Path Air Monitoring

Proven Solutions for Fence-line and Perimeter Ambient Air Monitoring

Cerex commercialized the first open path FTIR more than twenty years ago, and has continued to lead the industry with reliable performance and innovative features. With hundreds of detectable compounds, the AirSentry FTIR is the monitoring solution for petrochemical industries, semiconductor plants, agriculture, landfill, and site surveys of historically polluted areas.

A flexible analyzer platform, the AirSentry may be rapidly converted from open path mode to point analyzer mode with the inclusion of an optional sample cell. In open path mode the AirSentry FTIR offers full USEPA TO-16 compliant monitoring. 

 

The Cerex UV Sentry offers high performance, time resolved monitoring of a variety of regulated gases. With part per trillion minimum detection limits for benzene the UV Sentry allows regulatory compliance for SCAQMD Rule 1180 and BAAQMD Rule 12-15 BTEX monitoring. It also represents a stand-alone solution for alternative MACT compliance for USEPA Method 325 refinery fenceline benzene monitoring.

A true multi-gas analyzer solution, fielded units measure acrolein, ammonia, BTEX, butadiene, chlorine, formaldehyde, naphthalene, nitric oxide, nitrogen dioxide, phenol, styrene, sulfur dioxide and more. Path lengths tested to 1300 meters offer gap-less monitoring coverage with hands-off reliability.