Data acquisition and hard copy records in one
August 2003
Data Acquisition & Telemetry
Spescom MeasureGraph is offering the ViewGraf from Gould Nicolet Technologies - a new combination of digital storage and chart recorder providing a comprehensive presentation of signal data.
Acquired data written to an on-board hard disk enables recordings to be made over long unattended periods, or archived for further analysis. Alternatively, a 275 mm writer can be installed to provide high quality paper output, giving an instant hard copy record. The 31 cm removable display presents a realtime display and fast post-storage analysis of the data.
ViewGraf offers high performance signal condition on up to 32 channels, whilst up to six input positions provide for differential, strain/bridge, accelerometer and thermocouple capability coupled with 12 or 16-bit acquisition resolution. Additional computed waveforms are available using maths on individual channels or channel combinations to provide live analysis.
Digital storage rate is up to 500 000 samples per second with 100% pre- or post-trigger and with paper speeds to 100 mm per second. The control provides ease of access to the chart speed, amplifier spans, signal position, display speed and start/stop of the acquisition and chart for fast response during testing. Connectivity and data transfer is available via USB, Ethernet or removable zip drives.
ViewGraf's modular design enables systems to be configured to meet specific requirements. This configuration flexibility makes ViewGraf suitable for a wide range of applications. The front panel and display is detachable for remote control and display viewing and the signal conditioners are modular to configure the input channels for any type of signal.
Even the realtime writer is removable, allowing the system to be used as a traditional chart recorder - or, by removing the writer, to take the system to field applications where the data may be acquired, the output may then be via the chart paper for review in the laboratory environment.
For more information contact Van Zyl Koegelenberg, Spescom MeasureGraph 011 266 1572, [email protected], www.spescom.com
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