The Spider-81 is a 4th generation vibration control system developed by Crystal Instruments. Using advanced technology unique to us, it has performance and features not seen in any other product:","•DSP centralized design with simple network connection •4 - 1024 input channels with excellent phase match •PC-tethered mode or standalone Black Box mode •24 bit A\/D and D\/A, 130 dB input dynamic range •Integrated IEPE output, charge amplifier, AC\/DC coupling, TEDS •Continuous recording for all channels at full sampling rate •AC or DC power •Isolated digital I\/O •Bright LCD display

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