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ADVANTAGES
PRODUCTS > OVERVIEW >
Why is instruNet Better than traditional Data Acquisition Boards?
One word. Accuracy. instruNet provides ten's of microVolts of absolute accuracy instead of ten's of milliVolts.
How does instruNet deliver better Accuracy?
Several reasons:
- Internal signal conditioning amplifiers on each channel
- No crosstalk from one signal to another within a multi-wire ribbon cable. For details on how this works, see Cross-Talk Analysis.
- Placement of A/D close to sensor and away from the noisy computer
- No current pumping from Analog Multiplexor into signal source
- instruNet offers optional low cost optical isolation
- instruNet provides, for each channel, programmable Digital Filters (LP, BP, BS, HP) and Analog Filters (LP)
- instruNet provides, for each channel, a programmable signal averaging time between 0 and 1 second for each data point collected
How does this increased accuracy help me?
Primarily, this enables one to attach Directly to Thermocouples, Thermistors, RTDs, Strain Gages, Load Cells, Potentiometers, Accelerometers, Voltage Sources, Resistance Sources, & Current Sources. Which means one does not need to add expensive signal conditioning amplifiers.
Where is the proof that instruNet is more accurate?
The primary proof is in the Specifications. instruNet specifies Absolute Accuracy whereas traditional data acquisition boards do not. An example of an absolute accuracy specification is to say a measuring system will always measure a voltage accurate to +-1mV on a +-5V range. Traditional boards don't do this because the sum of all errors, including cable cross-talk and ground loops, are not pretty.
Other Advantages
- instruNet World+ (iW+) application software enables one to design their own instrument for a Very low cost
- Lots of FREE software. For details, see World, Instrument, Scope, and Programming
- Sturdy Aluminum enclosure
- Easily mount your own connectors on enclosure top
- instruNet PCI/PCMCIA card processor manages all real-time tasks, reducing real-time burden on host computer
NEXT PAGE: PERFORMANCE
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