CODEL EnergyTech 100 Series User Manual

CODEL
OPS. 141 65
Issue : A
Revision : 1
Date : 14/06/18
Doc i/d : 0118/6
050028
Opacity %
0
10
20
30
50
70
90
Transmittance
1
0.9
0.8
0.7
0.5
0.3
0.1
Opacity (Log
10
)
0
0.05
0.1
0.15
0.3
0.52
1.00
Mass Emission
While it is possible to provide an output for opacity monitors in terms of optical
density/extinction, conversion of this parameter into a measurement of mass
flow emission, in mg/m
3
for example, requires an empirical calibration to be
made for that particular installation and flue condition. This must be achieved by
calibrating against specific measurements of solids emissions, which would
have to be made by the iso-kinetic sampling technique described earlier. The
resulting calibration would hold only for that particular flue and would need to be
rechecked at least every six months by further sampling comparisons.
Opacity/Ringelmann Correlation
Ringelmann is a measurement of opacity at stack outlet. If the opacity
measurement were also made at stack outlet the measurements would be
exactly equivalent. However, it is normally more practical to measure opacity at
some other point for ease of access. In this situation, the measurements will
differ since the duct diameter at the measurement point will differ from that at
the stack exit, and the measurement depends upon the length of the optical
path.
Opacity at the point of measurement
O
m
= 100 [1 - exp (-k.n.a.l
m
)] %
where m is the stack diameter at the point of measurement.
Opacity at stack exit
O
x
= 100 [1 - exp (-k.n.a.l
x
)] %
where lx is the stack exit diameter.

CODEL EnergyTech 100 Series Specifications

General

Brand	CODEL
Model	EnergyTech 100 Series
Category	Measuring Instruments
Language	English