Copyright © Sigicom AB 2020
56
Stan-
dard
Name
Fre-
quency
Frequency
weighting
Resul-
tant
Level
range
Frequency
range
S51A
ISEE
Seismograph
Yes
Yes
Yes
10 in/s
2 – 250 Hz
S51B
ISEE
Seismograph
Yes
Yes
Yes
1 in/s
2 – 250 Hz
S53A
Geophone
No
No
No
250 mm/s
5 – 500 Hz
S53B
Geophone
No
No
No
25 mm/s
5 – 500 Hz
S55A
ISEE/USBM
Yes
Yes
Yes
250 mm/s
2 – 250 Hz
S55B
ISEE/USBM
Yes
Yes
Yes
25 mm/s
2 – 250 Hz
S58A
PN-B-02170
Yes
Yes
No
250 mm/s
1 – 100 Hz
S58B
PN-B-02170
Yes
Yes
No
25 mm/s
1 – 100 Hz
S59
FTA VdB
RMS 1s
Yes
No
No
50-118 dB
(rel. 1 μin/s)
1 – 80 Hz
S60A
NCh 3577
Yes
Yes
No
250 mm/s
1 – 315 Hz
S60B
NCh 3577
Yes
Yes
No
25 mm/s
1 – 315 Hz
S70A
BS 6841
No
No
No
125 m/s
2
(VDV)
14
S70B
BS 6841
No
No
No
12.5 m/s
2
(VDV)
14
Different depending on vertical or horizontal. See Appendix H for a detailed description
.