General Description
D1000 is a man portable chemical sensor that can be rapidly mounted on to multiple platforms and/or networked. It allows first responders and military users to rapidly survey areas to identify and quantify industrial chemicals, warfare agents and novel threats. It is optimized for use in the field. Unlike chromatography there is no waiting for results as the instrument provides continuous output of concentrations in real time. The system’s algorithm utilizes a proven method for analyzing gases called Differential Optical Absorption Spectroscopy (DOAS); It uses established optical technique proven over many years for the measurement of range of gases.
Technical Description
The system is a portable, multi-species gaseous detection unit based on differential ultraviolet absorption spectroscopy in combination with an advanced signal processing routine to identify species. The species enter the system through an air inlet in to a cell to allow multiple passes through the air sample. UV light spanning a broad range of wavelengths, traverses a heavily folded optical path (White cell) to allow for a long interaction length in a compact form factor. Gases within the path absorb the UV light; this absorption is registered in real time by the detector. Each constituent gas absorbs a unique fingerprint; the robust algorithm dynamically unmerges overlapping signals from multiple gases, to analyze each component simultaneously. This high throughput is advantageous for analyzing many samples in a short period of time or the ability to sweep vast areas in a short amount of time. The system features parts per billion simultaneous detection and qualification capability. It measures several gases directly and with much faster time resolution than conventional methods. This enables it to be used whilst on the move on any platform- either on a vehicle, bicycle, on foot or deployed in a fixed position.
Evaluation Criteria
THROUGHPUT:
- 2 minutes or less for detection
- Continuous operation with no defined runs
- System is continuous and provides real time analysis with no defined tests/samples
- The system or device is currently fully automated
- Device or system is intended for multiple detection assays
- 0-1 solutions, buffer, eluents, and/or reagents
- 0 components
- Greater than 20 minutes is required for set-up
- Automatic detection
LOGISTICS:
- Very brief (minutes-hours) training and minimal technical skills
- Approximately the size of a carry-on luggage suitcase
- Between 5 and 25 kg
- Wireless and wired connections are available
- System or device uses batteries
- 4-8 hours battery life
OPERATIONS:
- Can be used from 4°C to 37°C
- Performance is not influenced by relative humidity
- 5-10 years expected life
- Results can be viewed in real-time
- The system or device is currently fully autonomous
- The system software is closed and not available for modification
- The system hardware is closed and not available for modification
DETECTION:
- Not possible for the system to achieve 510K clearance
- Not possible for the system to achieve FDA approval
- This system does not test liquids
- 1x10-4-1x10-3 mg/m3
- Possible system could be adapted to identify aerosolized chemical agent
- Possible system could be adapted to identify liquid chemical agent
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