Portable data acquisition system

February 2003 Data Acquisition & Telemetry

Spescom MeasureGraph is offering a portable data acquisition system from Nicolet Technologies, a pioneer in the development of recorders for the physical measurement marketplace. The Nicolet Vision combines the best elements of DAT/AIT recorders, oscillographs and oscilloscopes in a new vision of portable data acquisition. Like an oscillograph the vision has realtime scrolling, triggered or XY displays. Like a tape recorder, it has removable storage and very long record times. The vision offers many features one would expect in a more expensive research system, like digital filtering and realtime measurements.

Vision's universal amplifiers provide 500 V isolation, with 16-bit digitisers on every channel providing high dynamic range with no crosstalk or aggregate limit. Even with eight channels at 100 kS/s each, recording time lasts a respectable 80 minutes. 16 channels may be recorded at 1 kS/s for over three days. A sound channel records the user's comments, and 8 digital inputs record status bits, frequency or RPM. Some specifications:

* 8 or 16 channels of acquisition.

* 100 kS/s, 16-bit A/D's on each channel.

* 20 kHz analog bandwidth.

* 'Universal' isolated signal conditioning supports a wide input range, thermocouples and 4-20 mA inputs.

* Rugged, lightweight enclosure weighs only 9 kg and operates up to 20 g's.

* Continuous recording at full acquisition speed to 8 GB hard disk or 2 GB removable JAZ drive.

* 100 base-T Ethernet and IrDA connection to external devices.

For more information contact Van Zyl Koegelenberg, Spescom MeasureGraph, 011 266 1572, [email protected]

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