Technical Specifications

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Technical Specifications for the Chameleon® Chemical Detection Armband

Originally designed to meet stringent U.S. Marine Corps requirements, the Chameleon features a rugged design for use in excessively hot and cold conditions and in wet or dry environments. It can even be submerged in fresh or salt water for up to one hour.

Unlike other chemical detection kits, the Chameleon does not require a liquid sample; it detects toxic chemicals in air. The armband has room for up to 10 cassettes that can detect a variety of threats. Pre-configured kits are available for HazMat, clan-meth lab and chemical suicide situations. Toxic chemicals in air are identified with an easy-to-read color system. If half of the sensor changes color, the chemical is present. The brief video clip shows a Chameleon cassette changing color in real-time upon exposure to a toxic gas.

The Chameleon can be worn on the forearm, upper arm or even leg, for hands-free detection of gasses and vapors. The adjustable band, which is available in two sizes, expands for wear outside most turnout gear or level-A suits. A sturdy Velcro closure offers easy adjustment and secure placement.

No special training is needed to use the Chameleon. Once the cassettes are inserted into the band and the band is attached to the arm or leg, the user simply looks for a change in color of any of the cassette windows.

Technical Specifications

Cassette Shelf Life 24 months at room temperature
Cassette Service Life 24 hours
Temperature Range -30ºC to 50ºC (-22ºF to 122ºF)
Humidity Range 20% to 100% RH
Water Immersion (fresh or salt water) 1 hour
Sensitivity at PEL1 concentration Color change in <30 minutes
Sensitivity at one-half IDLH2 concentration Color change in <5 minutes

[1] PEL means Permissible Exposure Limit, as defined by OSHA:  “8-hour Time Weighted Average.”  - An employee’s exposure to any substance, which shall not exceed the 8-hour Time Weighted Average given for that substance, during any 8-hour work shift of a 40-hour workweek.

[2] IDLH means Immediately Dangerous to Life or Health: An atmospheric concentration of any toxic, corrosive or asphyxiate substance that poses an immediate threat to life or would cause irreversible or delayed adverse health effects or would interfere with an individual's ability to escape from a dangerous atmosphere.  IDLH values are based on effects that might occur as a consequence of a 30-minute exposure.