S
E
N
S
O
R
S
A
Taking Measurements
N
D
IN
S
T
R
U
M
E
N
T
A
T
IO
N
F
O
R
M
A
C
H
IN
E
C
O
N
D
IT
IO
N
M
O
N
IT
O
R
IN
G
When measuring the current output from the unit, use the following formula to calculate the vibration level:
Vibration Output = (Measured Output – 4mA) x (Full Scale Vibration Output /16mA)
Measured
mA
640BX0 640BX1 640BX2
4.00
0.0 ips, pk
0.0 ips, pk
0.0 ips, pk
8.00
0.125 ips, pk
0.25 ips, pk
0.5 ips, pk
12.0
0.25 ips, pk
0.5 ips, pk
1.0 ips, pk
15.75
0.37 ips, pk
0.73 ips, pk
1.47 ips, pk
20
0.5 ips, pk
1.0 ips, pk
2.0 ips, pk
Measured
mA
641BX0 641BX1 641BX2
4.00
0.0 ips, rms
0.0 ips, rms
0.0 ips, rms
8.00
0.125 ips, rms
0.25 ips, rms
0.5 ips, rms
12.0
0.25 ips, rms
0.5 ips, rms
1.0 ips, rms
15.75
0.37 ips, rms
0.73 ips, rms
1.47 ips, rms
20
0.5 ips, rms
1.0 ips, rms
2.0 ips, rms
Measured mA
645
646
4.00
0.0 g rms
0.0 g rms
8.00
1.25 g rms
2.50 g rms
12.0
2.50 g rms
5.00 g rms
15.75
3.67 g rms
7.34 g rms
20
5.00 g rms
10.0 g rms
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