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Meetsystemen

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<strong>Meetsystemen</strong><br />

Inhoudstafel<br />

10 Opto-elektrische sensoren<br />

10.1. Inleiding ......................................................................................<br />

II.52<br />

10.2. Lichtbronnen .................................................................................<br />

II.52<br />

10.3. Lichtontvangers ..............................................................................<br />

II.56<br />

10.4. Transmissiemedium: optische vezels ..........................................................<br />

II.59<br />

10.5. Intensiteitsmeting ............................................................................<br />

II.61<br />

10.6. Incrementele optische encoder ...............................................................<br />

II.62<br />

10.7. Absolute optische meetsystemen ..............................................................<br />

II.66<br />

10.8. PSD (Eng.: Position Sensitive Detector) ......................................................<br />

II.68<br />

10.9. Triangulatie met PSD .........................................................................<br />

II.70<br />

10.10. Lasersensoren ...............................................................................<br />

II.71<br />

10.11. Looptijdsensoren ............................................................................<br />

II.73<br />

10.12. Samenvattende tabel ........................................................................<br />

II.73<br />

11 Piëzo-elektrische sensoren<br />

11.1 Inleiding ......................................................................................<br />

II.74<br />

11.2 Het piëzo-elektrisch effect ....................................................................<br />

II.75<br />

11.3 Piëzo-elektrische versnellingsopnemers .......................................................<br />

II.79<br />

11.4 Bevestiging van accelerometers ...............................................................<br />

II.81<br />

11.5 Interfacing bij het spanningsequivalent ........................................................<br />

II.82<br />

11.6 Voorbeelden ..................................................................................<br />

II.84<br />

11.7 Kabel met dubbele afscherming bij spanningsmeting ..........................................<br />

II.85<br />

12 Ultrasone sensoren<br />

12.1 Inleiding ......................................................................................<br />

II.86<br />

12.2 Akoestische transducenten ....................................................................<br />

II.87<br />

Elektrostatische transducent ...................................................................<br />

II.88<br />

Piëzo-elektrische transducenten ................................................................<br />

II.89<br />

12.3 Het akoestische medium. ......................................................................<br />

II.92<br />

12.4 Meetmethoden ................................................................................<br />

II.94<br />

12.5 Ultrasone Doppler-debietmeter ................................................................<br />

II.96<br />

13 Chemische sensoren<br />

niet besproken ......................................................................................<br />

II.99<br />

__________ - iii -<br />

Johan Baeten

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