Within the accelerograph, there is an arrangement of 3 accelerometer sensing heads.
2.
An "'accelerograph "'can be referred to as a strong motion seismograph, or simply an earthquake accelerometer.
3.
I could beef that article up ( whoops I was thinking of accelerograph ), but it's more oriented towards seismic accelerometers . ( There are many types that all work differently . ) In general it is difficult to get a good accelerometer up and working.
4.
The accelerations recorded on the equipment during the event proved to be of very low amplitude and, as a result, the instrumentation was upgraded to include a 13 channel configuration in the building along with a Kinemetrics triaxial ( 3 channel ) accelerograph located east of the building at ground level.
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