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December 20, 2013
Volume 1, Issue 2
Optical Scientific
Incorporated
The world leader in
innovative optical sensors
Special points
of interest:
OSI Offers Increased Efficiency for Combustion Process
The need to meet the
world wide demand for
electrical power, and
the need to control, if
not reduce, greenhouse gas emissions
has made increased
efficiency of fossil-fuel
power plants ever
more critical.
The new OFS 2000C
for volumetric flow
monitoring
OFS 2000 air flow sensors, originally devel-
oped in 1999, have
been used to great effect in increasing accuracy on measuring exhaust gas emissions,
enabling operators to
meet EPA regulations
with confidence.
Now OSI offers an optical flow sensor scintillation measurement for
combustion inflow air.
The standard (outflow)
OFS offers the most
accurate and reliable
airflow velocity of any
sensor. In addition to
velocity, the OFS
2000C provides volumetric flow, temperature, and pressure
measurement capabilities to give the customer more precise
control of the combustion process - all from a
single source.
Current power plants
world wide generally
operate at an average
28% efficiency with the
best plants operating at
45% efficiency. A
highly-efficient plant
emits almost 40% less
CO2 than the average.
A big (and comparatively cost-effective)
step in achieving this is
in improving combustion control, and the
key to that is having
the best possible airflow metering available.
OFS 2000C offers a
low-cost highperformance answer.
OFS 2000F Meets or exceeds new EPA Part J(a)
And SCAQMD's Rule 1118
Originally rolled out in
1999, the basic OFS
2000 optical flow sensor became the choice
for operators who
wanted the most accurate measurement possible of stack outflow
for Continuous Emission Monitoring Systems (CEMS). OFS
2000F was developed
from that sensor and
enhanced to cope with
the more robust (and
more sensitive) requirements of flare gas flow
monitoring. With a
NIST-proven accuracy
of <1% and drift-free
operation the OFS
2000F meets or exceeds the requirements
of EPA 40 CFR 60
Subpart J(a) covering
flare gas monitoring.
In addition to
SCAQMD (Southern
California Air Quality
Management District)
Rule 1118. SCAQMD
is renowned for having
the most rigorous air
quality regulations in
the United States.
> This is OSI’ Second issue of the
Sight Lines
newsletter.
We hope that
you will find it
helpful and informative.
> Suggestions and
feedback are encouraged.
Contact
webmanager@opticalsci
entific.com
Inside this issue:
If we immediately stopped
emitting greenhouses gases,
would global warming stop?
2
OFS Serial Data Communications
2
Newsletter Contributions
2
Ital Control Meters offers
OFS 2000 in Europe
3
Paul Lawrence heads
PML Process Technology
3
OSI will attend the 94th
American Meteorological
Society Annual Meeting
3
Employee News—
Technical Support Department
4
December 20, 2013
Page 2
If we immediately stopped emitting greenhouses gases,
would global warming stop?
Not right away. The
Earth’s surface temperature does not react
instantaneously to the
energy imbalance created by rising carbon
dioxide levels. This delayed reaction occurs
because a great deal of
the excess energy is
stored in the ocean,
which has a tremendous
heat capacity. Because
of this lag (which scientists call “thermal inertia”), even the 0.6–0.9
degrees of global warming we have observed in
the past century is not
the full amount of warming we can expect from
the greenhouse gases
we have already emitted. Even if all emissions were to stop today, the Earth’s average
surface temperature
would climb another 0.6
degrees or so over the
next several decades
before temperatures
stopped rising.
The time lag is one reason why there is a risk
in waiting to control
greenhouse gas emissions until global warming becomes worse or
its effects more serious
and obvious. If we wait
until we feel the amount
or impact of global
warming has reached
an intolerable level, we
will not be able to “hold
the line” at that point;
some further warming
will be unavoidable.
The Earth Observatory is part of the EOS
Project Science Office located at NASA
Goddard Space Flight Center
http://earthobservatory.nasa.gov/blogs/climateqa/category/climate-greenhouse-gases/
"Life's splendor forever lies
in wait about each one of
us in all its fullness, but
veiled from view, deep
down, invisible, far off. It is
there, though, not hostile,
not reluctant, not deaf. If
you summon it by the right
word, by its right name, it
will come."
Franz Kafka - The Diaries
Ask Tech Support: OFS ser ial data communication?
OSI's Optical Flow Sensor offers two output formats: digital and analog.
The analog output is a 420 mA current loop commonly used in industrial
control systems. The
digital output is ASCII
text data string using RS232 communications format. This type of communication can be a problem to those whose computer is not equipped
with a serial port. A USBto-Serial Port Adapter is
the common work-around
for this problem. OSI
does not recommend or
endorse any particular
supplier.
priate HyperTerminal
application are installed,
the computer can be connected to the OFS ConOnce an adapter is cho- trol Unit. The user can
sen, a suitable communi- then refer to the instruccations application is re- tions in the User's Guide
quired. Again, with so
to configure the port, esmany operating systems tablish communications,
in use, OSI does not en- and begin sending comdorse any in particular
mand characters to the
but HyperTerminal has
system.
been found to work satisfactorily. Free downloads It’s a helpful tool to have
to match your system are in your box when you
want to see more of what
available on-line. Once
is going on in your OFS.
the USB-to-Serial Port
Adapter and the approQuestions? E-mail: [email protected]
Newsletter Contributions
OSI welcomes contributions
to the newsletter, and encourages your submissions.
If you, or your organization, have an interesting
article or news release
you would like to have
published. You are wel- send it to the web adcome to submit it for
dress below:
review. Just attach it to
an e-mail message and
E-mail: [email protected]
December 20, 2013
Page 3
Volume 1, Issue 2
Ital Control Meters offers OFS 2000 in Europe
... was founded by Gianantonio Favalessa and
Roberto Checchinato in
1993.
Ital Control has been a
pioneer in the introduction to their market of
technologies that only
later would become
standard - among the
most prominent examples: thermal dispersion
mass flow meters and
coriolis mass flow meters for gases. Later,
instrumentation for level
measurement, process
analysis, and emissions
measurement were included. Now, Optical
Scientifics' OFS 2000
Optical Flow Meters
have been added to the
product line.
structured, well able to
advise clients in the selection of instruments or
analysis methods, and to
provide support for installation, commissioning
and maintenance.
Ital Control’s new and
modern facility features
a large warehouse and
service shop staffed with
experienced technicians.
Ital Control is solidly
20841 Carate Brianza (MB)
Ital Control Meters Srl
Via della Valle, 67
Tel. 0362.805200
Fax 0362.805201
http://www.italcontrol.it
Paul Lawrence heads PML Process Technology
PML Process Technology is our Canadian distributor for the OFS2000
family of flow monitors.
Paul is a seasoned veteran with many years
experience in instrumentation for process control
emissions and gas flow
measurements.
Successfully handling
OFS 2000 problems for
over 8 years; Paul's experience and knowledge
gives him an unequaled
insight for any new and
challenging applications.
He is regularly feeding
information back to OSI
for the product advances
and developments that
have led directly to making OFS 2000 the world
leader in gas flow sensors.
PML Process Technology
1601 Shale Oak Mews
Mississauga, ON L4W 2M1
Canada
+1 905-206-9514
www.pmlprocess.com
OSI will attend the 94th American
Meteorological Society Annual
Meeting
The American Meteorological Society promotes
the development and
dissemination of information and education
on the atmospheric and
related oceanic and hydrologic sciences and
the advancement of
their professional applications. Founded in
1919, AMS has a membership of more than
14,000 professionals,
students, and weather
enthusiasts.
AMS publishes eleven
atmospheric and related
oceanic and hydrologic
journals — in print and
online — sponsors more
than 12 conferences
annually, and offers numerous programs and
services.
For further information
regarding society activities, membership, or
general inquiries please
send an email to:
[email protected].
Paul Lawrence
PML Technology
December 20, 2013
Page 4
Optical Scientific, Inc. was founded in 1985. We are a research,
development, engineering and manufacturing firm located in the I270 high technology corridor outside of Washington, DC.
We design and build the most advanced optical instruments in
the world for measuring precipitation, air flow, turbulence, and
visibility. For nearly thirty years we have been engaged in a constant research and development program to ensure our position
as world leader. Our sensors and systems serve airports, highways, railroads, sea-borne vessels, smelters, power plants, refineries, and hundreds of other commercial and industrial sites
around the world.
Our dedicated staff of scientists, engineers, and technicians are
constantly looking for new challenges. We take pride in our work,
and in delivering superior instruments to our customers.
Optical Scientific
Incorporated
The world leader in
innovative optical sensors
2 Metropolitan Court Suite 6
Gaithersburg, MD 20877
Tel: +01 301 963 3630
Fax: +01 301 948 4674
E-mail: [email protected]
Employee News—Technical Support Department
When you call tech
support …..
….you'll be talking to
Terry Brown. Terry has
been on our Engineering
staff since 1993 and involved in every phase of
product development for
OWI, LOA, OFS - every
one of our sensors. Along
with everything else, Terry
mans the tech support
desk here. "The main reason I can do this is that,
believe it or not, our stuff
works - period. We've
been building and selling
sensors now for almost 30
years. There are literally
thousands of sensors of
all types: rainfall, visibility,
present weather, air flow,
all operating 24/7/365 and
in some of the most hostile environments - and I
comfortably at their desk,
but out on bridge, catwalk,
Maybe two or three times instrument tower, a smoke
a month - and half of them stack, or a good distance
from technicians or opera- from civilization anyhow;
and they need help right
tors who are new guys
and just need a quick ori- then and there. Thank
God for cell phones.”
entation."
hardly ever get a call.
"One of the strengths of
our products is that we
kept the designs simple
and uncomplicated. The
measurement technique
and the firmware are the
sophisticated part, and
with over 200 million
hours of real-world data
from every sort of condition - the firmware algorithm is pretty robust too."
“And you don't have to go
through a menu tier to get
me. Just call +1 301 963
3630 xt 216 during business hours Eastern time and if I don't pick up by
the third ring at the latest it's because I had to leave
for a few minutes and I'll
call back the moment I
see the red 'message
waiting' light on the
phone.
"Still, things can go wrong
- even with the best stuff. After all - I don’t get called
When somebody calls in
very much."
with a problem, more than
likely they are not sitting
Terry joined OSI in 1993