Vishay Precision Group: Data Acquisition System Features Eight Channels with RJ-45 Connectors

The System 8000 StrainSmart can accept signals from strain gages or strain-gage-based transducers, thermocouples, or high-level voltage sensors.

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Strain gage channels support full-, half-, or quarter-bridge configurations, and offer built-in precision completion for 120-ohm, 350-ohm, and 1000-ohm bridges. The unit is intended for static and dynamic test and measurement applications. Scanners may operate independently, or up to 16 units can be used concurrently for a maximum of 128 channels. Each channel's data is processed in a 24-bit digital signal processor, and filtering is performed using finite impulse response (FIR) multi-stage filters. This provides excellent noise rejection, stability, and measurement accuracy. Sampling rates are 1000, 500, 200, 100, and 10 samples/s, with all channels in the system sampled simultaneously. Each of the 24-bit analog-to-digital converters over-samples data at a rate of 128k samples/s and provides high-quality, low-noise data (without the need for signal averaging) at rates up to 1000 samples/s/channel. The scanner communicates with a host PC running over an IEEE-802.3u 100Base-TX or an IEEE-802.3 10Base-T Ethernet network. The system also includes a Programmer's Reference Kit, which provides documentation, programming examples, and instrument drivers to assist with custom software development.

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