Emerson Rosemount 5300 Series - IG IECEX FISCO; N7 IECEx Type N

Figure 3-7: Side-and-Side and Side-and-Bottom Chambers
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A. Side-and-side dimension
B. Side-and-bottom dimension
C. Center-to-center
When mounting in a Rosemount 9901 chamber, see Table 3-7 for information on probe
length determination.
Table 3-7: Probe Length Determination for Rosemount 9901 Chambers
Chamber Probe length
Side-and-side chamber Side-and-bottom chamber
Rosemount 9901 Standard Center-to-center dimension +
19 in. (480 mm)
Center-to-center dimension + 4
in. (100 mm)
Rosemount 9901 with option
G1
(1)
Center-to-center dimension +
30 in. (770 mm)
Center-to-center dimension +
10 in. (260 mm)
Rosemount 9901 with option
G2
(2)
Center-to-center dimension +
36 in. (920 mm)
Center-to-center dimension +
21 in. (530 mm)
(1) For use with Dynamic Vapor Compensation probe and short reference reflector (GWR option
code R1).
(2) For use with Dynamic Vapor Compensation probe and long reference reflector (GWR option code
R2).
Use a centering disc the same diameter as the chamber if the probe length >3.3 ft. (1 m).
See Table 3-14 for which disc to use.
For additional information, see the Rosemount 9901 Chamber for Process Level
Instrumentation Product Data Sheet.
Reference Manual Mechanical installation
00809-0100-4530 April 2019
Reference Manual 37