Rosemount 3300 and 5300 Series
Mounting Instruction
Centering Disc
Mounting a Centering Dis c on Rigid Single Lead Probes
The mounting of a centering disc on a rigid single lead probe requires one hole (8 mm probe)
or two holes (13 mm probe) at certain distances from the end of the lead. The drilling fixture
included in your shipment should be used to make the hole(s) according to the figure below:
Figure 1 Drilling fixture to make hole in probe
After the hole has been drilled, the centering disc should be attached to the probe according
to figures below:
Rigid Single Lead probe (8 mm)
Figure 2 Mounting procedure for centering disc on rigid single lead probe (8 mm; 4A)
NOTE that the washer should not be mounted if the thickness of the plate is 4 mm or if the disc
material is C-276, Duplex 2205 or Alloy 400.
Art No. 9270 001-248
Rev. D
Rosemount 3300 and 5300 Series
Mounting Instruction
Centering Disc
Rigid Single Lead probe (13 mm)
Figure 3 Mounting procedure for centering disc on rigid single lead probe (13 mm; 4B)
NOTE that the washer should not be mounted if the thickness of the plate is 4 mm or if the disc
material is C-276, Duplex 2205 or Alloy 400.
Mounting a Centeri ng Disc on Flexible Lead Probes
The procedure for m ounting a centering disc on a flexible lead is described by figure below:
Figure 4 Mounting procedure for centering disc on flexi b le lead probe
Art No. 9270 001-248
Rev. D
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