Copyright © Sigicom AB 2020
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53B. Geophone
Unfiltered geophone signal. Upper frequency limit 500 Hz.
Level and frequency ranges:
25 mm/s, 5-500 Hz.
Max resolution in presentation: 0.005 mm/s and 3 significant digits.
Threshold range:
0.04 – 22 mm/s.
55A. ISEE/USBM
Same as standard 51A, ISEE standard, but in SI units.
Level and frequency ranges:
250 mm/s, 2-250 Hz.
Max resolution in presentation: 0.05 mm/s and 3 significant digits.
Threshold range:
0.4 – 220 mm/s.
55B. ISEE/USBM
Same as standard 51B, ISEE standard, but in SI units.
Level and frequency ranges:
25 mm/s, 2-250 Hz.
Max resolution in presentation: 0.005 mm/s and 3 significant digits.
Threshold range:
0.04 – 22 mm/s.
58A. PN-B-02170
Harmfulness assessments of vibrations transmitted by the foundation to
buildings.
Level and frequency ranges:
250 mm/s, 1-100 Hz.
Max resolution in presentation: 0.05 mm/s and 3 significant digits.
Threshold range:
0.4 – 220 mm/s.
58B. PN-B-02170
Harmfulness assessments of vibrations transmitted by the foundation to
buildings.
Level and frequency ranges:
25 mm/s, 1-100 Hz.
Max resolution in presentation: 0.005 mm/s and 3 significant digits.
Threshold range:
0.04 – 22 mm/s.
59. FTA VdB
Federal Transport Administration (USA)
Level and frequency ranges:
50 - 118 dB (rel. 10
-6
in/s), RMS,
1-80 Hz. Filtered according to
ISO 2631-2, time constant 1 s.
Max resolution in presentation: 0.1 dB and 3 significant digits.