By David S. Nyce
Nice technical publication packed simply with necessary info. nice part on knowing easy electric parameters. i wished a place sensor and this e-book taught me what to appear for, and the way to appreciate it.
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Additional info for Linear Position Sensors: Theory and Application
5 V dc, or 10% of the 5-V dc power supply. 5 V dc for a measurand change of zero to full scale. The advantage is that a voltage reference is not required in the transducer or the customer’s receiving circuit. Voltage references are expensive and have their own error specification, which will add to the total system error. Since the transducer and the customer circuit refer to the same power supply voltage with a ratiometric indicating system, there is no additional error due to variations in voltage reference.
17 RELIABILITY The probability that a product will perform and be free of failure is called reliability. Intrinsic reliability of a product is a function of the quality of design and indicates the reliability that is theoretically possible. Achieved reliability may be different, and is usually lower than the intrinsic reliability, due to factors such as unexpected conditions during use (environmentally or customer induced), a temporary lapse in quality of manufacture, or lack of maintenance. Achieved reliability is sometimes called operational reliability, and its measurement in the field is called demonstrated reliability.
The installation components and technique can make a difference in the performance and survivability of the transducer in response to a given vibration input, thus increasing or decreasing the susceptibility to shock and vibration. Mounts made from a dampening type of elastomeric compound may improve the reliability of a position transducer, for example, by reducing the peak amplitude of the vibration, but may also reduce the transducer accuracy by allowing motion to occur between the sensor mounting flange and the rigid sensor mount (the elastomer being inserted between these two).