GE Bently Nevada 3300/25 Operation Manual page 86

3300/25 Dual Accelerometer Input Monitor Operation Manual
3. Adjust the settings on the function generator according to this table:
PARAMETER
wave form
DC offset
frequency
to test high pass filters
to test low pass filters
amplitude
4. Determine the Full Scale Range option for your monitor by checking
Monitor Ordering Options.
For Full Scale Range options 01, 02, 03,
04, 11, 12, 13, 14
(Acceleration options)
5a. Set the amplitude of the
function generator according to this
table:
FULL SIGNAL AMPLITUDE
SCALE
V
0-pk
OPTION
(mVpk)
01
02
03 1000
04 2000
11
12
13 1020
14 2040
80
V
rms
(mVrms)
200 141
500 353
707
1414
204 144
510 360
721
1442
SETTING
sine wave
-7.5 Vdc
filter corner frequency,
f
HP
(1.06) x (f )
LP
See step 5
For Full Scale Range options 05, 06,
15, 16, 17
(Velocity options)
5b.
for the function generator using this
formula:
Amplitude = K x corner frequency in
Hz
Set the function generator to the
calculated amplitude.
FULL
SCALE
OPTION
mVpk/Hz
05
06
15
16
17
See Appendix D, Section 21.4, for
derivation of K.
Section
Calculate the amplitude
K
mVrms/Hz
1.63 1.15
3.25 2.30
1.60 1.13
3.20 2.27
6.41 4.53
8.2,