
Seismometers
SI value, the so called “velocity response spectrum”, is one of the standards to express an earthquake''s destructive power against structures. SW-74SI is an advanced model equipped with alarm output to 10-step and SI value output.
SI value, the so called “velocity response spectrum”, is one of the standards to express an earthquake''s destructive power against structures. SW-74SI is an advanced model equipped with alarm output to 10-step and SI value output.