Maintenance
3500/42 Operation and Maintenance
178
To use the formulas, the acceleration scale factor should be in volts, and the full-
scale value and acceleration scale factor should be in English units. Use the
following conversion formulas to convert metric units to English units:
Scale Factor:
Full-scale:
Example:
Transducer Scale Factor = 10.19 mV/( m/s
2
)
Full Scale = 25 mm/s
HPF = 10 Hz
LPF = 8000 Hz
1. Convert metric units to English units.
Scale Factor:
10.19 mV/(m/s
2
)
×
9.8135 = 100 mV/g
Full-scale:
25 mm/s
×
0.039372 = 1 in/s
2. Calculate the input voltage.
To Input RMS Volts for Peak Units
Acceleration Scale Factor
(mV / g)
=
Acceleration Scale Factor
(mV / (m / s ))
x 9.8135
2
Full - Scale
(inch / s)
=
Full - Scale
(mm / s)
x 0.39372
Input
Voltage
(V rms)
=
1
30.72
0.1
x 0.3535 = 0.3254 V rms
/
.
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