Section 3 - Maintenance
25
Step 1.
Connect test equipment as shown in Figure 3-1.
Step 2.
Mount the 4140 steel target to the shake table so that it is rigidly
attached to the moving armature as shown in Figure 3-2.
(1)
Velomitor® Sensor
(2)
Probe
(3)
Target
(4)
Shake table base
Figure 3-2
Step 3.
Mount a 3300 XL 8mm, 1 meter probe (P/N 330101) such that it is isolated
from the motion of the shake table.
Step 4.
Connect the probe to a four meter extension cable (P/N 330130-040-00-
00) and Proximitor® Sensor (P/N 330180-50-00).
Step 5—
Apply -24 Vdc power to the Proximitor® Sensor and monitor the output
with a voltmeter or oscilloscope.
Note:
The accuracy of the system can be improved by mounting the
probe and target on the same axis as the sensitive axis of the
Velomitor® Sensor and by verifying that there is no mechanical
resonance in the probe or target fixture at the frequency of calibration
(100 Hz).
Step 6.
Mount the velocity sensor to be checked on the shake table and tighten
by hand.
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