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turboSPEED 135 - Revolution Counter for Turbochargers
A coil is potted in a sensor case and is energised by a high frequency alternating current. The electromagnetic field from the coil generates eddy currents in the turbocharger blade. Every blade generates a pulse. The controller identifies the speed (analogue 0 ... 10 V) by considering the number of blades.
The system is optimised for mobile and stationary use in test and R&D operations. Different sensor models with only 3 mm diameter allow simple mounting on the turbocharger. Adjustment and set up of the sensor are easy due to a status LED.
The extensive length of the sensor cable (up to 25m) and the different signal outputs guarantee sufficient flexibility for the application.
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Advantages
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extremely high interference resistance and noise immunity on dyno and test benches
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No rotor modification
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target-sensor gap to 1.5 mm
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Technical data:
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| Measuring principle: |
eddy current |
| Speed range: |
500 ... 400,000 rpm |
| Number of blades: |
2 up to 17 blades |
| Output: |
TTL and analog |
| Sensor operating temperature |
-40 to +200 °C |
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MICRO-EPSILON international:
Deutschland
United Kingdom
France
Schweiz
Czech Republic
America
Россия
China