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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.
Threshold range:
60-115 dB. Transient file resolution:
0.002 in/s.
60A. NCh 3577
Metodología para evaluar las vibraciones producidas por voladuras sobre
infraestructuras.
Level and frequency ranges:
250 mm/s, 1-315 Hz.
Max resolution in presentation: 0.05 mm/s and 3 significant digits.
Threshold range:
0.4 – 220 mm/s.
60B. NCh 3577
Metodología para evaluar las vibraciones producidas por voladuras sobre
infraestructuras.
Level and frequency ranges:
25 mm/s, 1-315 Hz.
Max resolution in presentation: 0.005 mm/s and 3 significant digits.
Threshold range:
0.04 – 22 mm/s.
