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Portable Systems - DAQ720

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32 Channel data acquisition system with programmable signal conditioning
10 BaseT Ethernet connectivity to your PC or laptop for setup, data display and processing
16-bit analog-to-digital converter resolution
Aggregate sampling rate of up to 32k samples/second (1k sample/channel/second with all channels active)
End-to-end calibration supported in hardware and software
Simple user interface allows for 2 mouse clicks to data collection and storage
Optional local data storage via CompactFlashT module
Auto-configuration on power-up for stand-alone applications


The DAQ720 is a complete 32-channel bridge signal conditioning system with a 16-bit resolution ADC and 10 BaseT Ethernet connectivity to a PC or laptop for setup, data display and processing. It is packaged in a compact 3U (5.25") high, 449mm (17.68") wide, 326 mm (12.83") deep chassis that can be configured for table top or rack mount applications. Local data storage is available via an optional CompactFlashT module.* Auto configuration on power-up provides stand-alone capability and along with the simple user interface makes data collection and storage a two mouse click process.

The signal conditioning accommodates transducers that represent 1, 2 or 4 active arms of a bridge circuit. Strain gages, RTDs and other bridge-type sensors can be accommodated. Each DAQ720 channel includes programmable gain from 1 to 1000 with prefilter gains of 1, 10, 100 and 1000 as well as post filter gains of 1, 2, 5 and 10. Each channel also includes a programmable Butterworth filter with cutoff frequencies of 10, 50 and 500 Hz. Each filter can also be bypassed. End-to-end channel calibration is accomplished by software configuring the input multiplexer on each channel to receive a reference voltage provided by an internal calibrator.

Options are available with high-precision 120 Ω, 350 Ω and 1000 Ω resistors for on-board bridge completion. Shunt calibration is activated under program control. Shunt calibration resistors are also optionally available to accommodate various bridge requirements. Bridge excitation is programmable, with 0, 2.5, 5 and 10 V selection.

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