Configured for high-frequency signal propagation in mechanical monitoring systems, the Bently Nevada 330130-080-00-CN (330130 3300 XL Standard Extension Cable) provides the physical interface required to connect proximity probes to signal conditioning hardware. This component ensures maintenance of electrical impedance across the transducer chain to facilitate accurate signal transmission for vibration and position measurement.

Suffix Breakdown

The 330130-080-00-CN identification corresponds to the following configuration:

• 080: Cable length of 8.0 meters (26.2 feet).

• 00: Standard cable construction.

• CN: Agency approvals including CSA, ATEX, and IECEx.

Hardware Specifications

Mechanical Monitoring and Signal Integrity

The 3300 XL transducer system utilizes eddy-current proximity sensing, where the 330130 extension cable acts as a critical link in the measurement loop. To maintain accurate rotor dynamics data, technicians must perform gap voltage validation, targeting -10 VDC at the monitor input to ensure the sensor operates within its linear range. Effective cross-talk suppression is achieved by physically isolating extension cables from high-power AC conductors or motor leads. Failure to maintain this isolation or improper grounding of the cable shield can induce electromagnetic noise, resulting in inaccurate shaft centerline positioning and unstable vibration waveforms.

Ordering Info

• 330130-080-00-CN Extension Cable

• Installation documentation

• Pre-installed coaxial connector interfaces

Field Installation Guidelines

• Routing: Install cables within dedicated, grounded metallic conduits to provide shielding against external electromagnetic and radio frequency interference.

• Bend Radius: Adhere to a minimum bend radius of 2.5 cm to prevent damage to the internal signal conductor and coaxial dielectric layers.

• Connector Sealing: Ensure all connection points are properly seated; use moisture-resistant boots if the installation environment is prone to chemical ingress or high humidity.

• Termination: Secure connections by tightening to finger-tight pressure; the use of pliers or wrenches can cause mechanical failure of the connector threads or internal pin alignment.

Shipping & Logistics

• Delivery time: 3-5 days when payment finish.

• Dispatched via DHL, FEDEX, or UPS.

• Components are sealed in anti-static industrial packaging to prevent electrostatic discharge damage and mechanical deformation during transit.

Frequently Asked Questions

• What material targets are supported? The transducer system is factory-calibrated for AISI 4140 steel. Variations in target material magnetic permeability require field recalibration of the probe scale factor to ensure linear output.

• What is the probe sensitivity? This extension cable maintains the standard 7.87 V/mm (200 mV/mil) sensitivity of the 3300 XL transducer system without introducing signal attenuation.

• How often should calibration be verified? Verification of loop resistance and signal response should occur during planned machine outages or if the monitoring platform reports persistent signal drift.

• Can the probe operate in hazardous environments? This cable is compatible with hazardous area installations when used as part of a system certified by CSA, ATEX, and IECEx, provided all loop components follow site-specific control drawings.

• What extension cables are compatible? Only Bently Nevada 3300 XL series cables are compatible. Impedance mismatches resulting from non-compliant cables will lead to signal reflection and loss of system accuracy.

• What causes unstable gap voltage? Instability is usually caused by loose connections, oxidized contact surfaces, or improper grounding of the coaxial cable shield.

• How is probe health tested? Health is validated by measuring the loop resistance and verifying the dynamic output response at the monitor rack using a calibrated transducer simulator.

• What is the expected service life? Service life is contingent upon the operating environment, specifically thermal and mechanical stress. Under steady-state industrial conditions, the cable is designed for continuous, long-term duty.