
Model 100E Instruction Manual
Theory Of Operation
045150102 Rev XB1
169
LAM
P
O
U
T
P
UT
(A
rb
itra
ry
U
nt
is
)
10
5
10
4
10
2
10
3
10
1
1
100 200 300 400 500
WAVELENGTH (nm)
0
213
.9
330
.3
SO
2
* FLUORESCENT
SPECTRUM
PMT OPTICAL FILTER
BANDWIDTH
Figure 10-5: PMT Optical Filter Bandwidth
10.2.5.
Optical Lenses
Two optical lenses are used to focus and optimize the path of light through the sample
chamber.
214 nm
Filter
330 nm
Filter
UV Source
Lens
PMT Lens
Reference
Detector
If source UV is unfocused, PMT
receives fluorescence from area
outside Reference Detector’s view
PMT
When source UV is focused, PMT
and Reference Detector view
similar volume of SO
2
*
When source UV is focused,
Reference Detector most of
the emitted light
If source UV is unfocused,
Reference Detector only sees a
small portion of emitted light
Figure 10-6: Effects of Focusing Source UV in Sample Chamber
Summary of Contents for 100E
Page 2: ...Model 100E Instruction Manual ...
Page 4: ...Model 100E Instruction Manual ii 045150102 Rev XB1 ...
Page 12: ...Model 100E Instruction Manual x 045150102 Rev XB1 ...
Page 20: ...M100E Documentation Model 100E Instruction Manual 18 045150102 Rev XB1 User Notes ...
Page 26: ...Specifications Approvals and Warranty Model 100E Instruction Manual 24 045150102 Rev XB1 ...
Page 46: ...Getting Started Model 100E Instruction Manual 44 045150102 Rev XB1 User Notes ...
Page 128: ...Operating Instructions Model 100E Instruction Manual 126 045150102 Rev XB1 User Notes ...
Page 156: ...EPA Protocol Calibration Model 100E Instruction Manual 154 045150102 Rev XB1 ...