Dual Output Magnetic Pick-Up
The Helitune Dual Output Magnetic Pick-Up is expertly designed to capture non-contact tachometer measurements from rotating aircraft components. This precision-engineered unit is built from aerospace-certified stainless steel and meets the rigorous RTCA/DO-160G standards, ensuring reliable performance in the most challenging environments.
Description
The Dual Output Magnetic Pick-Up unit attaches to a static part of the airframe and is triggered by the passing of single or double ferrous paddles, known as Interrupters, on the rotating assembly. Each paddle pass generates a signal, which serves as a timing reference for balance data, vibration signatures, and tracking information. For optimal performance, the MPU tip should maintain a gap of approximately 1.25mm from the Interrupter. When installation challenges arise in applications not designed for this sensor type, an Optical Pick-Up may be a more suitable solution.
Helitune's MPUs are available in various lengths and sensor tips to accommodate specific application needs.
Product specification
Output Signal: Minimum 9V pk-pk under the following conditions:
- Interrupter Air Gap: 0.5mm
- Interrupter Velocity: 5m/s
- Load Resistance: 200kΩ
Coil specification
- Resistance: 560 - 680Ω
- Inductance: 100 - 150mH
Mechanical
- Dimensions (Body): L=57mm Ø16mm - Locknut: 21mm AF x 4mm
- Weight: 60g MAX (including 2 locking nuts)
- Operating Temperature: -50°C to +130°C to RTCA/DO-160G Section 4 Cat B4
- Operational Shock: 6g Sawtooth @ 11ms to RTCA/DO-160G Section 7 Cat B
- Vibration: To RTCA/DO-160G Section 8 Cat U2
- Crash Safety: 20g Sawtooth @ 11ms to RTCA/DO-160G Section 7 Cat B
- Material: Stainless steel - BS S130 aerospace certified
- Sealing: IP67 Fully encapsulated
- Connector: Threaded 4-Pin
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