General Description
The Chameleon is a hands-free, power-free chemical detection for gases and vapors in air. The Chameleon consists of an armband and disposable chemical detecting cassettes. The armband holds up to ten chemical cassettes to detect ten different chemicals or families of chemicals. The Chameleon is easy to use and provides a clear color change on half the sensor if the targeted chemical is present. The Chameleon has been successfully third party tested and is designed for use in a wide variety of operating environments including desert, arctic and tropic. The Chameleon can even be immersed in salt and fresh water for an hour under pressure. It is very rugged and accurate.
Technical Description
The Chameleon utilizes sensitive, selective, low-cost, easy to use colorimetric chemistry sensors. The design of the Chameleon cassette allows the Chameleon to be completely water resistant and usable in a wide range of harsh environmental conditions.
Evaluation Criteria
THROUGHPUT:
- 2 minutes or less for detection
- 1 sample, >10 tests/sample per run
- Less than 32 samples every 2 hours
- The system or device is currently fully automated
- Device or system is designed for a single use
- 0-1 solutions, buffer, eluents, and/or reagents
- 1 component
- Less than 5 minutes is required for set-up
- 1-2 steps are required for detection
LOGISTICS:
- Very brief (minutes-hours) training and minimal technical skills
- Approximately the size of a soda can
- Less than 1 kg
- This system is not capable of transmitting data
- There is no electrical requirement
OPERATIONS:
- Can be used from < -21°C to > 42°C (All temperatures)
- Components must be stored at room temperature (27°C)
- Performance is not influenced by relative humidity
- Between 1 to 3 years shelf life
- Results can be viewed in real-time
- The system could be adapted to a fully autonomous system with some effort
- The system does not employ any software
DETECTION:
- Less than 10 µL
- Excellent specificity. System has occasional false alarms under certain conditions (<2%)
- 1x10-6-3x10-5 mg/m3
- 1 ppb – 1 ppm
- Possible system could identify aerosolized chemical agent
- System currently can identify liquid chemical agent
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