What distance can the measuring system be from the signal source?
As the distance between the data acquisition system and the signal source is extended, you will observe an increase of noise in the signal under investigation. The increase in noise is often caused by electromagnetic pickup on the signal wires connecting the sensor to the ADC. There increase in signal noise depends on a range of factors such as, signal amplitude, cable type, noise level, noise characteristics (white pink). Noise is most likely to effect the representation of low value signals where the analogue signal is only moderately above the background noise level. It is generally possible to extend the distance between the transducer and the measuring system to several hundred feet if the signal characteristics under investigation is of low frequency and of substantially high amplitude compared to the background noise. The source of the signal is a varying current instead voltage source. The type of cables used to attach signals from the sensors to the terminators will also effec
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