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Configured for signal transmission in machine protection systems, the Bently Nevada 16925-25 (16925 Interconnect Cable) provides direct physical execution for transducer output coupling across monitoring platforms.

Hardware Specifications

Parameter Specification
Model 16925-25
Brand Bently Nevada
Origin USA
Dimensions 25 ft (7.6 m) length
Operating Temp -40 deg C to +177 deg C (Standard)
Power Consumption N/A (Passive component)
Conductor Gauge 22 AWG (0.5 mm2)
Shielding EMI shielded
Termination 3-socket plug, terminal lugs

Rotor Dynamics and Signal Integrity

The 16925-25 assembly is engineered to maintain high-frequency signal fidelity required for effective rotor dynamics analysis. To ensure accurate vibration and displacement data, the installation must adhere to strict gap voltage validation protocols, typically targeting -10 VDC at the monitor input for eddy-current probe systems. The cable's shielding design is implemented for cross-talk suppression, preventing noise induction from adjacent high-power conductors. It is required that the shield is effectively grounded at the monitor termination point to prevent the formation of ground loops, which can result in erroneous phase readings or amplitude distortion in the measured vibration waveform.

Frequently Asked Questions

Q: Can the 3-socket plug be replaced if the internal pins are damaged?

A: Field repair of the molded 3-socket plug is not recommended. Damage to the connector interface compromises the ingress protection and electrical contact integrity, necessitating replacement of the entire cable assembly to maintain system measurement accuracy.

Q: How does cable length affect the signal response in this series?

A: Signal attenuation increases with cable length due to parasitic capacitance. For lengths approaching the 99 ft (30 m) maximum, verify that the monitoring system's input impedance can support the resulting signal degradation without affecting frequency response limits.

Field Installation Guidelines

  1. Route the cable through dedicated metallic conduit to provide additional shielding against EMI/RFI, maintaining a minimum 30 cm separation from AC power lines.
  2. Ensure the 3-socket plug is fully seated into the sensor connector until the locking mechanism is engaged to guarantee low-impedance contact.
  3. Terminate the lug ends in a clean, vibration-isolated junction box; ensure all terminal screws are tightened to the specified torque to prevent loose connections under thermal cycling.
  4. Secure the cable with non-metallic clamps at intervals not exceeding 1 m to provide strain relief and minimize fatigue from machine-induced vibration.

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