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Bently Nevada 16710-15 Proximity Sensor Extension Cable

Configured for high-fidelity signal transmission in mechanical condition monitoring systems, the Bently Nevada 16710-15 (16710-15 Interconnect Cable) provides direct physical/electrical execution. It establishes a shielded coaxial connection between eddy-current proximity probes and 3300 or 3500 series vibration monitoring racks. The flexible stainless-steel armor sleeve shields internal conductors against mechanical damage and electromagnetic interference across high-vibration rotating machinery installations.

Hardware Specifications

Parameter Specification
Model 16710-15
Brand Bently Nevada
Origin USA
Weight 0.131 kg
Dimensions 4.57 m length (15 ft)
Operating Temp -20 deg C to +80 deg C
Power Consumption Passive Component
Cable Type Armored Interconnect Cable
Armor Material Flexible Stainless Steel
Impedance Matched to 3300 / 7200 series transducers

Proximity Probe Scaling and Signal Integrity

The 16710-15 cable acts as the transmission medium for transducer signals, which necessitates strict adherence to impedance matching requirements. Bently Nevada engineers specify these cables to ensure consistent eddy-current probe scaling, preventing signal attenuation that would otherwise compromise dynamic measurements. The integrated metallic armor provides mechanical protection, while the internal shielding facilitates cross-talk suppression between adjacent sensor runs. Technicians must verify the total loop length during installation to prevent signal degradation in long-distance applications, as excessive cable capacitance directly impacts the frequency response of the rotor dynamics data.

Frequently Asked Questions

Q: Does the cable shield require grounding at both ends?

A: You must maintain a single-point ground for the cable shield at the monitoring system interface. Connecting the shield at both ends creates ground loops, which introduce 50/60 Hz interference into the vibration signal.

Q: Can this cable be used for high-temperature turbine applications?

A: While the cable supports operation up to +80 deg C, you must utilize high-temperature extension cables for zones exceeding this threshold. You should verify the ambient temperature at the probe connection point before final cable routing.

Q: How does cable length affect proximity sensor system calibration?

A: Proximity transducer systems require specific total electrical system lengths (e.g., 5 meters or 9 meters combined). Installing a 15-foot cable alters total capacitance, requiring driver recalibration if used outside designated system length configurations.

Field Installation Guidelines

Avoid bending the cable tighter than the manufacturer-specified minimum radius during installation. Sharp bends stress the internal conductors and degrade the shielding effectiveness.

Ensure coaxial connectors are clean and free of oil or debris before mating. Tighten the connector thread to the specified torque to prevent intermittent electrical contact during machine operation. Route the cable through protective conduit in areas prone to severe chemical exposure or heavy mechanical impact. Perform a continuity check and inspect for shorts between the center conductor and the shield before system commissioning, verifying loop resistance matches expected values for a 15-foot cable run to confirm internal conductor integrity.

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