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Glossary |
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| Resolution |
| Even when the target is at a standstill, the voltage changes minutely due to the residual noise in the converter. It can be saidthat lower noise provides higher resolution and thus improves measuring accuracy. We measure the noise level at the halfscale point of the sensor measuring distance, and convert it into displacement to define the resulting value as resolution.(Note that the values on the brochures are based on the system equipped with ourpower supply.) |
| Linearity |
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| The output voltage of the displacement sensor is proportional to the distance.However, the line plotted from actual measurements deviates from the ideal line.The difference between actual and ideal lines is expressed in percentage relative tothe full scale of the sensor. (The values on the brochures are based on the roomtemperature.) |
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| Measuring range |
| This range refers to the coverage in which the sensor can measure the target. The distance from the target to the sensor isproportional to the voltage output within this range. Thanks to our special sensor design, it is possible to measure the targetbeyond the specified measuring range by changing the sensitivity. |
| Frequency characteristics |
| Frequency characteristics refer to the frequency band in which vibrations, displacements, and rotating speeds of the targetcan be measured with GAP-SENSOR. |
| Temperature characteristics |
| The sensor sensitivity depends on the surrounding temperature, which is called temperature drift. The temperature drift means sensitivity change per 1°C. The PF series sensors feature minimum temperature drift among our GAP-SENSOR products. |
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