Picarro Announces General Availability of EnviroSense 3000i Multi-Species Atmospheric Monitor

    Unrivaled accuracy, precision and stability help scientists observe and
    understand the earth's carbon cycle

    SUNNYVALE, Calif., Aug. 30 /CNW/ -- Picarro, leading manufacturer of
high-performance trace gas analyzers based on patented Cavity Ring-Down
Spectroscopy (CRDS) technology today announced the general availability of the
EnviroSense 3000i atmospheric monitor.
    EnviroSense 3000i is a field-deployable, real-time, ambient gas monitor
that measures atmospheric levels of methane and carbon dioxide with
parts-per-billion (ppbv) sensitivity and water vapor with parts-per-million
(ppmv) sensitivity.
    "Researchers investigating global climate change need measurements of
greenhouse gases with extreme precision and accuracy to enable better models
of the carbon cycle," stated Dr. Eric Crosson, Chief Technology Officer at
Picarro.  "The high accuracy, excellent precision and low maintenance of
EnviroSense 3000i make it ideally suited to address the demanding requirements
of atmospheric air-monitoring applications."
    Existing atmospheric monitors based on non-dispersive infrared (NDIR)
sensors have known problems -- they are non-linear, sensitive to water vapor
concentration, and susceptible to drift. Furthermore, these instruments
require extensive modifications and sample conditioning, frequent calibration,
and significant post processing of the data.
    In contrast, EnviroSense 3000i maintains high linearity, precision, and
accuracy over changing environmental conditions, with minimal calibration. The
unique capabilities of the underlying CRDS technology are complemented by a
superior analyzer design, including a high-precision wavelength monitor
providing immunity to interfering gases, meticulous temperature and pressure
control, and robust digital signal processing that transforms raw data into
directly useable information.
    Deployment in several atmospheric monitoring and meteorological
facilities, including Penn State University, has shown that the analyzer
requires minimal recalibration and no sample conditioning.
    "The EnviroSense 3000i analyzers are providing invaluable field
measurements," said Ken Davis, Associate Professor of Meteorology at Penn
State University.  "High-precision and high-accuracy measurements of
atmospheric composition, like those acquired by the Picarro EnviroSense
analyzer, are essential to our ability to observe and understand the earth's
carbon cycle.  Picarro has been very responsive to our scientific needs."  "We
deployed 5 EnviroSense units in an experimental observational network in the
spring of 2007," said Scott Richardson, Research Associate at Penn State, "and
we have found the stability of the instruments to be truly remarkable.  The
instruments should significantly simplify the task of obtaining high-quality
measurements of atmospheric composition."
    EnviroSense 3000i is the first of a suite of analyzers designed to
support scientists who investigate global climate change. Two additional
monitors will be introduced shortly: EnviroSense 2000f, a flux methane and
carbon dioxide analyzer, and EnviroSense 2000i (isotopic CO2 and CH4).
    About Picarro
    Picarro instruments set new standards for sensitivity, speed, selectivity
and ease-of-use in trace gas detection, and enable our customers to achieve
dramatic improvements in measurement precision, instrument size, reliability
and cost of ownership. We serve the needs of customers across a diverse range
of markets. For more information, visit our website (http://www.picarro.com)
or email us at info@picarro.com.

    Contacts:  Luc Ceuppens             Kathleen Hartnett
               (408) 962-3965           (408) 962-3971
               lceuppens@picarro.com    khartnett@picarro.com

For further information:

For further information: Luc Ceuppens, +1-408-962-3965, 
lceuppens@picarro.com, or Kathleen Hartnett, +1-408-962-3971, 
khartnett@picarro.com, both of Picarro Web Site: http://www.picarro.com

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