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Instruction Manual
IB-106-340 Rev. 3.0
December 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-11
Oxymitter 4000
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Figure 1-10. Model 751 Remote Powered Loop
LCD Display
1-5 MODEL 751 REMOTE POWERED LOOP
LCD DISPLAY
The display (Figure 1-10) provides a simple,
economical means to obtain accurate, reliable,
and remote indication of important process vari-
ables. This display operates on the 4-20 mA line
from the Oxymitter 4000. Refer to Model 751
remote powered loop LCD manual for calibra-
tion and wiring.
1-6 PROBE OPTIONS
a. Diffusion Elements
1. Ceramic Diffusion Assembly
The ceramic diffusion assembly, Figure
1-11, is the traditional design for the
probe. Used for over 25 years, the ce-
ramic diffusion assembly provides a
greater filter surface area. This element
is also available with a flame arrestor,
and with a dust seal for use with an
abrasive shield.
19280010
Figure 1-11. Ceramic Diffusion Assembly
36210012
Figure 1-12. Snubber Diffusion Assembly
2. Snubber Diffusion Assembly
The snubber diffusion assembly,
Figure 1-12, is satisfactory for most
applications. This element is also
available with a flame arrestor, and
with a dust seal for use with an abra-
sive shield.