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Chapter 2: Installing the LDT
Chapter 2: Installing the LDT
Mounting Instructions
The Series 955QD can be mounted vertically or horizontally using SD0522000 mounting brackets. The
mounting brackets slide in the grooves on the lower part of the extrusion and clamp down when tightened. It
is recommended to use one mounting bracket on each end and every three feet in between.
Ferro-magnetic material, (material readily magnetized) should be placed no closer than .25" from the sensing
surface of the LDT.
Mounting the Magnet Assembly
Before mounting the magnet assembly, you should consider the following:
• Ferromagnetic material should not be placed closer that 0.25" from the LDT's sensing surface. Failure to
do so could cause erratic operation. Non-ferrous materials, such as brass, copper, aluminum, non-
magnetic stainless steel or plastics, can be in direct contact with the magnet assembly and sensing surface
without producing any adverse results.
• Minimal clearance between the LDT's sensing surface and the magnet assembly through the full stroke
is required. Stress between the magnet and the rod can cause exing of the extrusion. This may appear
as non-linearity of the LDT's output.
• When using the Floating Magnet assembly (SD0522100), the magnet should be installed within 3/8" of
the sensing surface. The magnet assembly should also be installed in such a manner that it remains an
even distance from the aluminum extrusion throughout the entire stroke. Improperly installed magnets
can result in output signal non-linearity.
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Installation, Programming and Maintenance Manual
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