Dosimeters for Monitoring Formaldehyde Gas

FRM-KT1 Formaldehyde Gas Dosimeter

The ChemSee FRM-KT1 formaldehyde dosimeter is a small, lightweight colorimetric badge for monitoring cumulative exposure to formaldehyde gas. The badge can be worn using its clip for personal monitoring or positioned in a room or other area where formaldehyde exposure is a concern.

COLORIMETRIC MONITORING

Visual Readings

The dosimeter develops a visible color response as it is exposed to formaldehyde. The resulting color is compared with the supplied reference scale for a semi-quantitative exposure reading.

PERSONAL OR AREA MONITORING

Flexible Placement

Attach the dosimeter to a person using the supplied clip or place it in a room, work area or other location where formaldehyde gas is being monitored.

OPTIONAL LAB ANALYSIS

Free Return Analysis

After exposure, FRM-KT1 dosimeters may be returned to ChemSee for quantitative reading of the exposed indicator at no additional analysis charge.

Choose Your FRM-KT1 Package

Select a package of 2, 5 or 10 formaldehyde dosimeters. Each package includes the materials needed for visual monitoring and instructions for optional return analysis.

FRM-KT1 – Formaldehyde Dosimeters & In-Lab Sample Analysis

Price range: $45.00 through $195.00

How the FRM-KT1 Works

Expose the dosimeter to the surrounding air, observe the resulting color and use the supplied reference scale to estimate cumulative formaldehyde exposure.

1

Expose

Position the dosimeter with the back side exposed to the surrounding air. Typical monitoring periods are approximately 24–72 hours.

2

Compare

After the monitoring period, compare the color developed on the front of the dosimeter with the supplied printed color reference.

3

Interpret

The visual comparison provides a semi-quantitative estimate of cumulative formaldehyde exposure over the monitoring period.

Detection range: The FRM-KT1 visual scale covers cumulative formaldehyde exposure from approximately 0 to 1 ppm·hr.

Understanding the Exposure Reading

CUMULATIVE EXPOSURE

Reading the Dosimeter

The FRM-KT1 measures cumulative exposure in ppm·hr. Compare the developed color with the reference scale supplied with the dosimeter to estimate the total exposure accumulated during the monitoring period.

ESTIMATED AVERAGE CONCENTRATION

Exposure Over Time

To estimate the average formaldehyde concentration during the monitoring period, divide the cumulative ppm·hr reading by the total number of hours the dosimeter was exposed.

Example: A cumulative reading of 0.8 ppm·hr over 8 hours corresponds to an estimated average concentration of 0.10 ppm during that period.

Important: FRM-KT1 provides colorimetric exposure screening. Workplace exposure assessment and regulatory compliance should be evaluated according to the applicable occupational-safety requirements and monitoring procedures.

Free Quantitative Return Analysis

After completing your monitoring period, you may return the exposed dosimeters to ChemSee for quantitative reading.

AFTER MONITORING

Prepare the Dosimeter for Return

  • Seal the exposed dosimeter after testing is complete.
  • Remove as much air as practical from the storage bag before sealing.
  • Include the completed log sheet.
  • Include your name, email address and phone number.

RETURN ADDRESS

Send to ChemSee

ChemSee / Appealing Products, Inc.
Attn: Sample Analysis
1818 Saint Albans Dr., Suite 102
Raleigh, NC 27609
USA

Quantitative readings are returned electronically using the contact information supplied with the dosimeter.

FRM-KT1 Package Contents & Features

Package Contents

  • 2, 5 or 10 FRM-KT1 Formaldehyde Dosimeters
  • Color reference and instructions
  • Monitoring log sheet
  • Instructions for optional in-lab analysis

Detector Features

  • Semi-quantitative visual colorimetric analysis
  • Approximately 0–1 ppm·hr cumulative detection range
  • Small, lightweight badge format
  • Suitable for personal or area monitoring
  • No electronic reader required for visual interpretation
  • Optional quantitative return analysis available

Formaldehyde Exposure Information

About Formaldehyde

Formaldehyde (CH₂O) is a colorless gas with a strong, irritating odor. It is used in and released from a variety of industrial, laboratory and building materials.

The U.S. National Toxicology Program classifies formaldehyde as known to be a human carcinogen.

Occupational Exposure Limits

For U.S. workplaces covered by OSHA’s formaldehyde standard, the permissible exposure limit is 0.75 ppm as an 8-hour time-weighted average. OSHA also specifies a 2 ppm 15-minute short-term exposure limit.

Appropriate workplace monitoring and compliance decisions should follow the applicable OSHA requirements and occupational-hygiene procedures.

Questions About Formaldehyde Monitoring?

Contact ChemSee if you have questions about selecting a dosimeter package, monitoring duration, visual interpretation or returning exposed dosimeters for analysis.