Chadwick-Helmuth Vibrex 2000 - For the Vibrex 2000 (Basic)

134 Chadwick-Helmuth Company, Inc.
Chapter 6 - Maintenance
8. Complete the following table by adjusting the EUT maximum
frequency, the signal generator frequency and the sinewave amplitude
on the True RMS meters as listed, and acquire a spectrum. Record the
peak value in the table.
6.3.5.5 For The Vibrex 2000 (Basic)
Complete steps 4 through 8 and fill out the following table:
NOTE: For the 13590-2, there is no need to repeat the test on
channel 2.
Signal Gen
Frequency
Vibrex
2000 Max
Freq
True RMS
Meter
Amplitude
(MV)
Vibrex
2000 Peak
(IPS)
Channel 1
Specification
(assumes 5%
for True
RMS meter)
40 Hz Balance 13.44 0.90 <X<
1.11 11:30 -
12:30, 2400
RPM +/-3.6
5 Hz 1,500 13.44 0.90 <X<
1.11
20 Hz 3,000 13.44 0.90 <X<
1.11
80 Hz 6,000 13.44 0.90 <X<
1.11
160 Hz 12,000 13.44 0.90 <X<
1.11
320 Hz 24,000 13.44 0.90 <X<
1.11