84
<Fig. 10 Error Range and Acceleration’s Error >
Error curve is in a upper and lower threshold line within band limiting frequencies.
<Table 3. Combined frequency weighting, defined from 1Hz to 80Hz, in one-third-octave bands>
Frequency WBCombined
Weight
Tolerance
TRUE Nominal Factor
W
m
dB
dB
0.1000 0.100 0.015800 -36.03
+
2
0.1259 0.125 0.025100 -32.01
+
2
0.1585 0.160 0.040000 -27.96
+
2
0.1995 0.200 0.062900 -24.03
+
2
0.2512 0.250 0.099400 -20.05
+
2
0.3162 0.315 0.156000 -16.14
+
2
0.3981 0.400 0.243000 -12.29
+
2
0.5012 0.500 0.368000 -8.68
±
2
0.6310 0.630 0.530000 -5.51
±
2
0.7943 0.800 0.700000 -3.10
±
2
1.0000 1.000 0.833000 -1.59
±
2
1.2590 1.250 0.907000 -0.85
±
1
1.5850 1.600 0.934000 -0.59
±
1
1.9950 2.000 0.932000 -0.61
±
1
2.5120 2.500 0.910000 -0.82
±
1
3.1620 3.150 0.872000 -1.19
±
1
3.9810 4.000 0.818000 -1.74
±
1
5.0120 5.000 0.750000 -2.50
±
1
6.3100 6.300 0.669000 -3.49
±
1
Summary of Contents for SLA-PA201
Page 64: ...64 Appendix 1 The Theory for calculating RMS by ISO2631 and ISO8041 ...
Page 67: ...67 Appendix 2 Frequency Response of Filter in the Vibration Level Meter ...
Page 75: ...75 Appendix 3 Theory of WBCombined Filter and Frequency Response ISO6954 Filter ...
Page 79: ...79 Fig 2 Lowpass Filter with 100Hz Cutoff Fig 3 a v transition Frequency Response ...
Page 88: ...88 Fig 12 Error between theoretical value and measured value ...