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3M™ Formaldehyde Monitor 3721 (Case of 5)


Special Price $139.99

Quick Overview

This monitor meets OSHA accuracy requirements of +/-25% for 8-hour TWA sampling of formaldehyde. Not for 15 minute STEL sampling. Does not includes prepaid analysis.


The 3M™ Formaldehyde Monitor 3721 uses the proven scientific principle of diffusion, which is the gradual mixing of molecules of two or more substances. It monitors personnel or work areas in health care, laboratories and in the chemical, pulp/paper, foundry and textile industries. Analysis procedure is available upon request. The monitor uses a bisulfite-impregnated filter and is analyzed by colorimetry. The 3721 can be used for 8 hour TWA sampling to meet the OSHA requirement of +/-25% accuracy at 0.5-5.0ppm. However, this monitor does not have the sensitivity for short term exposure limit (STEL) monitoring. It has an 18-month shelf life.

  • Simple and convenient.
  • No batteries, hoses or pumps to operate.
  • Easy to use. Just clip the monitor to shirt lapel, collar, or pocket.
  • Versatile. 3M monitors can also be used for area monitoring, if sufficient air flow exists.
  • Analysis options. 3M monitors can be analyzed in the lab of your choice or returned to a 3M contracted lab for analysis.
  • Confidence. Our testing facilities are accredited by the American Industrial Hygiene Association.
  • Additional Information

    MPN 3721
    SKU 3MM3721
    Manufacturer 3M
    Brand 3M
    Family N/A
    Main Category General Safety
    Sub Category N/A
    UPC 50051138087864
    UOM CS
    Prop 65 N/A
    Weight 0.9700
    Dimension No
    Material No

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