Svantek SVAN 958A - Page 196

196
SVAN 958A User Manual
Linear operating ranges (for acceleration)
SVAN 958A uses two measurement ranges: Low and High.
Values of the measured acceleration using the accelerometer with the nominal sensitivity equal to
10 mV/ms
-2
(e.g. the SV 39A/L seat accelerometer):
• Linear measurement with the Wc, Wd, Wj, Wk and Wm filters:
the linear operating ranges for the distance from noise > 6 dB
from 0.001 ms
-2
to 352 ms
-2
(the sinusoidal signal RMS)
from 0.01 ms
-2
to 500 ms
-2
(PEAK)
Table C.2.1. Linear operating ranges with the Wc, Wd, Wj, Wk and Wm filters
Range
Linear operating ranges
Low
from 1.0 mms
-2
(60.0 dB)
to 56.2 ms
-2
(155.0 dB)
High
from 10.0 mms
-2
(80.0 dB)
to 352 ms
-2
(171.0 dB)
• Linear measurement with the HP1 filter:
the linear operating ranges for the distance from noise > 6 dB
from 0.003 ms
-2
to 352 ms
-2
(the sinusoidal signal RMS)
from 0.03 ms
-2
to 500 ms
-2
(PEAK)
Table C.2.2. Linear operating ranges with the HP1 filter
Range
Linear operating ranges
Low
from 3.16 mms
-2
(70.0 dB)
to 56.2 ms
-2
(155.0 dB)
High
from 31.6 mms
-2
(90.0 dB)
to 352 ms
-2
(171.0 dB)
• Linear measurement with the HP3 filter:
the linear operating ranges for the distance from noise > 6 dB
from 0.001 ms
-2
to 352 ms
-2
(the sinusoidal signal RMS)
from 0.01 ms
-2
to 500 ms
-2
(PEAK)
Table C.2.3. Linear operating ranges with the HP3 filter
Range
Linear operating ranges
Low
from 1.0 mms
-2
(60.0 dB)
to 56.2 ms
-2
(155.0 dB)
High
from 10.0 mms
-2
(80.0 dB)
to 352 ms
-2
(171.0 dB)
• Linear measurement with the HP10 filter:
the linear operating ranges for the distance from noise > 6 dB
from 0.0005 ms
-2
to 352 ms
-2
(the sinusoidal signal RMS)
from 0.01 ms
-2
to 500 ms
-2
(PEAK)
Table C.2.4. Linear operating ranges with the HP10 filter
Range
Linear operating ranges
Low
from 0.5 mms
-2
(54.0 dB)
to 56.2 ms
-2
(155.0 dB)
High
from 10 mms
-2
(80.0 dB)
to 352 ms
-2
(171.0 dB)