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Ducon Corporate Tree
The Ducon Group
Cemtrex Inc.
Ducon
Technologies
Inc.
Griffin Filters
Ducon
Environmental
Systems
CDM &
Greenhouse Gas
Ducon Fluid
Transport
MIP & DCV
Thermal Process
Construction Co.
Ducon India Ltd
Cemtrex India
Ltd
Cemtrex History

1938 - Ducon Inc founded

2000 - Cemtrex established as subsidiary of Ducon

2001 - Cemtrex purchase KVB Enertec

2005 - Cemtrex purchase Griffin Environmental

2006 - Cemtrex establishes Greenhouse Gases division

2006 - Cemtrex launches Mercury CEMS for CAMR

2007 - Cemtrex listed for public trading (CTEI.OTC)

2008 - Cemtrex builds World’s First VAM Catalytic Reactor

2012 – Cemtrex MIP expands into Oil & Gas market through
partnership with Modcon

2012 – Cemtrex recognized as a Fast 500 Company by Deloitte

2013 – Cemtrex acquires the ROB Group, forming ROB Cemtrex
Cemtrex Capability







Headquartered in Farmingdale, New York
Subsidiaries in India, China, & Mexico
In-house engineering for: mechanical, structural, & electrical
Experienced in-house Project Management organization
System Integration facility at Farmingdale NY
Gas Analyzer manufacturing facility at Orange CA
Sampling system manufacturing facility in Carson City NV
Cemtrex Global Presence
Headquarters
Subsidiaries
Sales Offices
Some of Cemtrex Customers
Advanced Boiler Services
Conectiv Energy
Arkansas Lime
Corning Glass
Marathon Ashland Refinery
Mathews Furnaces
Atlantic States I & S
Covanta Rahway NJ
Metso Minerals
BP Amoco
Covanta York PA
Montana Refinery
Bechtel / NDIA
Danisco
MPW Energy
Citgo
Mitsubishi Heavy Electric
NRG Energy
Carbo Ceramics
Energizer
Ontario Power
Carmeuse Lime
Erco Worldwide
NV Energy
CH2M Paper Mill
Essroc Cements
Peru Utilities
Chemical Lime
Fauske
PQ Corporation
Citgo Petroleum
Foster Wheeler
Rayonier Paper
City of Bellingham
GE Energy
Seminole Electric
CMS Energy
Heartland Cement
Siemens
Coffeeville Refinery
Hollman Corporation
Steel Dynamics
TXI Chaparral Steel
JEA Power
Saint Gobain Glass
Clean Harbor
Lehigh Cement
Chevron & Valero
Westar Energy
Products & Systems
Laser Opacity Dust Monitoring Systems
LM3086 EPA3

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
Nearly 3000 units in place around the
world
Only Single Pass Laser technology in
the market
Fiber Optic link around the stack
Continuous window dust & zero /
span corrections
On stack audits
Remote access and smart phone
control
TUV, EPA PS-1, CE Approvals
MIP LM3086 Laser Opacity Monitor Simple Hardware
www.cemtrex.com
“Leaders in Emissions Monitoring Technologies”
Range of Dust Monitors
MIP Optical Dust Monitor
LA 3188 LA 3188 SE
In-situ
x
x
Light source
Superled
Laser
Single Pass
x
x
Optimal measuring path length/m
0-3
0-10
Optical Fibre Reference Path
Automatic Zero
Automatic calibration check
Automatic Dirty Window Check
Calibration drift
Output in dust density
x
x
Operation range/g/m3
0.001-2
0.001-2
Output in opacity
Operation range opacity
Output in optical density
x
x
Operation range, optical density 0 - 1.0 D
0 - 1.0 D
Resolution, dust density
1 mg/m3
1 mg/m3
Resolution, opacity
Resolution, optical density
0.001 D
0.001 D
Approvals
LX 3188
x
Superled
x
0-3
LM 3188
x
Laser
x
0-20
LM 3188AZL LM 3188AZH
x
x
Laser
Laser
x
x
0-20
0-20
x
x
x
x
< 1%/month
x
0.001 - 20
optional
0 - 99
x
0 - 3.0 D
10 mg/m3
0.001 D
x
0.001-2
x
0.001 - 2
x
0 - 1.0 D
1 mg/m3
x
0 - 1.0 D
1 mg/m3
< 1%/month
x
0.001 - 2
optional
0 - 90
x
0 - 1.0 D
1 mg/m3
0.001 D
0.001 D
0.001 D
China
Simple Dust Monitors
LM 3188 Semiconductor Laser
Monitor
 Complete three-part system
 Laser light source (655 nm, red laser)
and analogue electronics.
Laser allows long measuring paths (up to 200 ft)
or higher concentrations
Very easy alignment of the transmitter
Compact size & lightweight
Transmitter: 1.5 lbs
Receiver: 2 lbs
Display Unit: 3 lbs
Meets OSHA regulations
Simple Dust Monitors
LM 3188 Semiconductor Laser
Monitor
Outputs:
4-20 mA output for Dvalue/mass value
 0 – 1 V DC output for Dvalue/mass value
 Alarm relay
Simple Dust Monitors
Display unit for LM3188
1. Indicating meter, which displays
the %-value in selected D-range
2. Range selector, which enables the
user to select a proper monitoring
range for various applications
3. Zero set screw, for adjusting the zero
4. Alarm test button
5. Alarm set screw
6. Alarm indicator lamp
7. Calibration screw, for adjusting the analog
display to correspond filter values
8. Mass calibration screw (LCD cal)
9. Digital LCD-display
10. Power indicator lamp
Simple Dust Monitors
Transmitter of LM 3188
7.5”
1.2”
1.2”
0.2”
5”
5”
3.15”
Optional Features for
Simple Dust Monitors (LM 3188)
100 mm receiver unit
• For longer measuring distances or higher vibration
• Requires more purging air than 200 ft receiver
• Bigger flange required
Optional Features for
Simple Dust Monitors (LM 3188)

Field calibration set

Optical filter set

Weather proof Enclosure

Explosion Proof Certification Available
Basic Principle of Dust Monitoring
Channel
Light Source
Receiver
I0
S
Detector
Ex
E0
Ix
Transmitter
Io = Light intensity at the source
Ix = Light intensity at the receiver.
Optical Quantities in Dust Monitoring:
Transmission:
Opacity:
Optical Density:
Extinction:
Ringelman :
T = (Ix / Io) x 100 %
Op = ( 1- Ix / Io ) x 100 %
D = Log10 ( Io / Ix )
E = Ln ( Io / Ix )
R = Op% / 20
Relation with Optical Values
and Mass Concentration
1. Using a calculation formula:
Concentration is as follows :
M = (800 x  x d / L ) x D, where
M = Mass concentration in ( mg / m3 )
 = Specific gravity of the particulate matter in ( kg / dm3 )
d = Average diameter of the particles in ( m )
L= Length of the light passage inside dust in ( m )
D = Optical Density ( Dimensionless number )
Relation with Optical Values
and Mass Concentration
2. Using a reference method for calibration:

Isokinetic sampling

Taking samples to the filter and analysing
them in the lab
Costly and time consuming
70
MIP LM 3086 monitor
(mg/m³)

60
y = 1,1642x + 4,3807
2
R = 0,9969
50
40
Mikrocalcilin
F 600
30
y = 0,6641x + 1,8596
20
2
R = 0,9965
10
0
0
10
20
30
40
50
TDC (mg/m³) TÜV plane filter
60
70
Dust Monitoring/Scattering
Cross
Scattering
Back
Scattering
Incident
Light
Back
Scattering
Forward
Scattering
ABSORPTION
Passed
Light
TJS-2000
Forward
Scattering
Cross
Scattering
Dust Monitoring


Normally in optical dust measurements
only scattering is important.
Scattering depends on particle diameter
and the light wavelength proportion: d/.
Single Pass Principle
Reference Detector
Main Detector
Stack
Lens
Light Source
Mirror
Double Pass Principle
Lens
Reference Detector
Stack
Mirror
Light Source
Main Detector
Mirror
Back Scattering Principle
Monitor Location
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