Used to record movement during transportation of delicate instruments
General Description
Records shock and vibration on three axis vertical, lateral, longitudinal; measures and records for periods of 20, 30, 60 days; height 5.5 in.; width 6.5 in.; length 10.0 in.; sensing unit consists of three masses suspended as pendulums from precision ball bearing supports; pneumatically damped; chart driven by quartz electric dc stepping motor; power supplied by one c-cell battery (part no. 1235); accuracy to within 2 percent of full scale deflection; g rangesfrom pom 2 g to pom 50 g
