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| | | Eddy current displacement sensors measure distances, displacements, or positions of any electrically-conductive target. The principle enables non-contact and wear free measurements. The measurement objects may have either ferromagnetic or non-ferromagnetic properties. Due to its immunity to oil, dirt, dust, moisture, interference fields, etc. the eddy current principle is ideally suitable for applications in harsh industrial environments. Micro-Epsilon's eddy current transducers are the only ones with active temperature compensation and field calibration capability. | | |
| | | Advantages Non-contact and wear free Highest resolution and linearity ■ Very stable measurements High measurement rates Excellent temperature range and temperature stability For industrial applications | | |
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| | | Temperature error by comparison Temperature error (% FSO) | | |
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| | | Temperature error (% FSO) | | Temperature error (% FSO) | | |
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| | | 10 | | |
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| | | 0 10 20 30 40 50 65 °C Common eddy current sensor without temperature compensation | | |
| | | 10 20 30 40 50 65 °C | | |
| | | 10 20 30 40 50 65 °C | | |
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| | | | | | Best practice: eddyNCDT 3010 with temperature compensation | | |
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| | | OEM integration in textile machines Eddy current sensors measure the thickness variation of thread in textile machines. | | In-line quality control Eddy current sensors measure the flatness in rolling mills. | | |
| | | Application in test rigs In the automotive industry these systems measure internal dimensional changes inside a running engine. | | |
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| | | 14 | | |
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