Chadwick-Helmuth Vibrex 2000 - For the Vibrex 2000 Plus

Routine Servicing
Vibrex 2000 and Vibrex 2000 Plus User Guide 135
6.3.5.6 For The Vibrex 2000 Plus
Move the vibration and azimuth cables to channels 2 and B respectively.
Repeat steps 4 through 8 and fill out the following table:
Signal Gen
Frequency
(Hz) (+/-
0.01%)
Vibrex
2000 Max
RPM
True RMS
Meter
Amplitude
(VMS)
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 1,200 13.44 0.90 <X<
1.11
500 Hz 30,000 13.44 0.90 <X<
1.11
1,000 Hz 60,000 13.44 0.85 <X<
1.18
5,000 Hz 300,000 13.44 0.85 <X<
1.18
10,000 Hz 600,000 13.44 0.85 <X<
1.18