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Model 4525 Generation IV Series Installation Manual
Section 2
Ludlum Measurements, Inc.
Page 2-14 December 2020
The recommended bolts for mounting the detectors to the stands are
½ inch, either Grade 3 zinc plated steel or stainless steel or better.
Typical tightening torque is 69 ft-lb.
S
QUARING
The opposing front outside corners of the stands should be within a half-inch of
each other on the diagonal reading. Be sure to take the readings at the base of each
set of stands (see figures below).
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