*This is a special order item.
The 3M™ Organic Vapor Monitor 3520, with Backup Section monitor is suited for compounds for which activated carbon shows limited capacity. Accuracy of +/-25% at a 95% confidence level for many workplace contaminants. Analysis not included.
The 3M™ Organic Vapor Monitor 3520, with Backup Section uses the proven scientific principle of diffusion, which is the gradual mixing of molecules of two or more substances. Primary and back-up sorbent pads are included for sampling demanding environments.
Especially suited for monitoring compounds like acrylonitrile, butadiene and methylene chloride for which activated carbon shows limited capacity. It has two stages for increased sampling capacity. Increased sampling may be necessary when sampling volatile compounds (compounds with low boiling points), high or unknown concentrations, complex mixtures, or when sampling in high humidity conditions.
Each lightweight monitor badge simply attaches to the operator's lapel, and because there are no cumbersome pumps, pipes and connections, there is no compromise on comfort.
After the specified exposure period, the monitor badges can be sent for analysis to an UKAS accredited laboratory such as Casella CEL, RPS Laboratories and The Institute of Occupational Medicine.
It has an 18-month shelf life.