The Structural Test Products Division of GenRad Inc, Milpitas, California, has introduced a fully integrated GR2530 random vibration controller for military production testing or ESS programme implementation: GenRad claims that the thing can be connected to any electrodynamic or electrohydraulic shaker and amplifier, or networked and interfaced with a range of vibration test eqipment; the GR2530 comprises a control unit incorporating multiple processors connected via a DEC Q-bus keyboard and colour monitor, and features nine control frequency ranges, two simultaneous input channels, an output dynamic range of over 75dB, and 13 individual safety checks to protect the operator; available on 90 days delivery, the GR2530 is $27,900.
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