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AccuSense Chemical Recognition System from SEER Technology

AccuSense gives First Responders the power of a laboratory-grade, gaseous chemical detection system in a field-portable VOC monitoring unit. It’s like have the entire GC lab and technicians with you in a simple to use one button system. It is the perfect portable device for the detection, identification and quantification of Toxic Industrial Chemicals (TICs).

AccuSense uses Dual-Hyphenated Gas Chromatography (DHGC) technology for the separation of chemicals and a proprietary thermal detection system to display concentration levels of multiple chemicals simultaneously. The chemicals and concentration levels are displayed via wireless links to a laptop computer. Identified chemicals and concentrations are automatically displayed relative to published IDLH (Immediately Dangerous to Life and Health) values and displayed on the screen for decision analysis.

Typical GC-based solutions require the use of an inert elute gas, such as argon or nitrogen. Products which rely on these “consumables” cannot be deployed for continuous field operations or hazardous areas where humans should not be exposed.

AccuSense solves the “consumables” problem by using internally conditioned ambient air as its elute gas source. This results in uncompromised continuous operation capabilities and lack of human intervention during unit deployment.

Each AccuSense chemical signature is a three dimensional “fingerprint” that is highly distinguishable from all other chemicals and from “confuser” chemicals which create “false positives/negatives.” The patented detection and identification systems of AccuSense are a technology breakthrough for the industry, giving superior accuracy compared to competitive products and solutions.

In the chemical detection business, it is critical to detect, identify, and in the case of AccuSense, provide the concentration levels of the chemicals present. All of this information needs to be provided without the appearance of false positives or false negatives. A false positive is a case in which a device indicates that a chemical is present when in fact it is not, while a false negative is a case in which a devices indicates that no chemicals are present when in fact they are. Unnecessary response to chemical detectors that are reporting false positives is costly and time-consuming, adding to the overall cost of the instruments. The cost of a false-positive reading in an area such as an airport or convention center can be extremely costly due to the unnecessary evacuation of the public and deployment of a HAZMAT team. Continual response to false-positives is unacceptable and the ability of AccuSense to distinguish between chemicals of interest and confusers will significantly limit the cost of unnecessary response actions.

SEER has created a unique state-of-the-art chemical separation and classification algorithm based partly on an artificial neural network algorithm. Because the neural network is trained only on known valid chemical signatures validated against an Agilent™ mass spectrometer, it is inherently robust with respect to false positives.

Part of the performance validation software runs all possible chemical combinations on the Cray™ supercomputer and produces a performance map which indicates exactly how the unit will respond.

The SEER “Picasso” is actually a 3D surface plot produced with Matlab™ scientific software on the Cray™ supercomputer. It is used as a quick visual check of the performance of a trained neural network chemical separation algorithm.

Also, a user does not need to worry about whether false positives will occur with any particular set of chemicals. Part of the performance validation software runs all possible chemical combinations on our supercomputer and produces a performance map which indicates the exact performance of the algorithm.

SEERID is an intuitive, easy to use software platform that provides chemical concentration results for multiple units back to one command post outside of the release area.

The color-coded data sets that automatically refresh every three minutes alert the user when concentrations approaching or exceeding IDLH values exist. The operator can then link to the National Instutie of Occupations Safety and Health (NIOSH) Pocket Guide to Chemical Hazards to procure additional informtion about specific chemicals such as exposure limits, chemical properties and personal protection techniques.

Applications

  • A fixed continuous operations deployment with remote or centralized management for facilities monitoring applications
  • A mobile point detection field deployment for the dynamic requirements of First Responders

Specifications

Technology Dual-Hyphenated Gas Chromatography (DHGC)
Proprietary thermal detector
Sensitivity in the ppm to ppb range
3 minute sample/analysis
No consumables
Auto-refresh of date every 3 minutes
Communications RS232, RS422, RS485
Ethernet: RJ45 10/100 Base-T
Wireless: User specified configurations available
IP addressable units
Chemical Database TIC: 21 HD Signature Database
IH: Custom HD Signature Database
Multiple chemicals & concentrations simultaneously
Expandable, field upgradeable and customer defined chemical database
Operating Temperature -5º to 122ºF
Power AC 85-250V, 8 hour battery, rechargeable Li-ion internal battery
Weight 18 pounds

Ordering Information

For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com.

Downloads

AccuSense Chemical Recognition System literature

AccuSense Chemical List

AccuSense FAQs

AccuSense Origins literature

AccuSense Value Proposition literature

Category:
Seer Technology
Tags:
VOC Gas Detectors, New Products, Industrial Hygiene, Industrial, Fire/Hazmat, Environmental, Detection Equipment, Chlorine Gas Detectors, Benzene Gas Detectors
Manufacturer:
Seer Technology
Brand:
AccuSense
Model:
Chemical Recognition System
Short Description:

AccuSense gives First Responders the power of a laboratory-grade, gaseous chemical detection system in a field-portable VOC monitoring unit. It's like have the entire GC lab and technicians with you in a simple to use one button system. It is the perfect portable device for the detection, identification and quantification of Toxic Industrial Chemicals (TICs).


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