Emerson Machinery Health PR 642 Series, Installation Manual

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Figure 4-4: Maximum axial tilting if using PR 6426
S: distance between measuring target and sensor head
Alpha: max. axial tilting angle < 1.6°
Maximum tangential offset
Ensure the maximum tangential offset matches the values in Table 4-1 . Figure 4-5 shows
the definition of the tangential offset.
Table 4-1: Maximum tangential offset
Sensor type Max. offset X Shaft diameter D
PR 6422 0.2 mm ≥ 15 mm
PR 6423 0.5 mm ≥ 28 mm
PR 6424 0.5 mm ≥ 60 mm
PR 6425 0.5 mm ≥ 60 mm
Installation Guide Installation and Mounting
MHM-97857 January 2020
MHM-97857, Rev 1.5 17