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SENSO
RS AN
D INS
TRUME
N
TATI
O
N F
O
R MAC
HINE
CON
DITI
ON M
ON
IT
ORIN
G
Taking Measurements
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
642AX0
642AX1
642AX2
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
643AX0
643AX1
643AX2
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
647
648
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
Summary of Contents for IMI SENSORS 647A01
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