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SOURCE GW Instruments
CAMBRIDGE, Mass., Jan. 22, 2014 /PRNewswire/ -- GW Instruments, a manufacturer of data acquisition hardware and software, today announced a new card cage standard for measurement and control; along with a suite of low-cost, high-accuracy plug-in modules. This new product family is called "instruNet i4xx" and consists of four different card cages (4, 8, 12, 16 slots), five different plug-in cards, and three different wiring boxes.
WHY INSTRUNET IS BETTER THAN OTHER SYSTEMS
THEORY OF OPERATION
instruNet is a low-cost hardware card cage that attaches to Windows computers via USB 2.0. The advantage of a card cage is one can mix and match modules as needed, to build exactly what they need. The advantage of the instruNet card cage is cost. For example, instruNet 4 to 16 slot chassis sell for $100 per slot, whereas comparable chassis are 2x to 4x more costly.
The instruNet card cage typically has one A/D measurement module; additional modules provide signal conditioning. The conditioned analog signal is routed to the A/D module via the backplane. This is dramatically different from comparable systems, which place A/D measurement electronics on each module. The advantage of the instruNet topology is cost. After the first module is installed, additional instruNet channels are conditioned at approximately $40 per channel, whereas comparable systems typically cost 2x to 8x more.
The optional 8-pole i500 analog low-pass filter daughterboard provides very accurate anti-aliased data at low cost.
Prices start at $990 for an 8-channel system.
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