3300/25 Dual Accelerometer Input Monitor Operation Manual
140
If the transducer signal is simulated by a function generator, Vsig is the peak or
RMS signal level.
2.
Calculate the front panel meter reading:
ading
Re
Meter
Panel
Front
=
)
Hz
(
F
K
×
Vsig
Where:
'Vsig' is the input voltage to monitor.
'K' is the conversion factor is from the tables below.
'F' is the frequency of the input signal.
'Front Panel Meter Reading' is the value displayed on the front panel.
Scale Factor = 100 mV/g, BB and CC options 5,6,15,16 and 17.
Conversion factor for
Conversion factor for
Input measured in
output measured in
output measured in
in/s (peak)
mm/s (peak)
peak
K = 614.48
K = 15,607.77
RMS
K = 869.00
K = 22,072.72
21.3.1 Conversion
Factor
Calculation
This is how the conversion factor, K, is calculated:
{
} {
}
K
=
π
×
2
1
×
conversion
units
×
RMS
to
peak
{Peak to RMS}
:
= 1.414 if input is in RMS
= 1.0 if input is in pk
{Units Conversion}
:
for 100 mV/g to in/sec (peak) output:
ft
in
12
×
g
174
.
32
×
V
100
.
0
g
sec
ft
for 100 mV/g to mm/sec (peak) output:
g
7
.
9806
×
V
100
.
0
g
sec
mm
