Description

The Bently Nevada 330930-040-02-00, also cataloged as the 330930 Extension Cable, operates as a dedicated hardware component for radio frequency signal transmission within Bently Nevada 3300 XL NSv Proximity Transducer System platforms. This cable links a 3300 NSv proximity probe to a 3300 XL NSv Proximitor Sensor, allowing localized non-contact vibration and position data routing inside machines with restricted installation clearances.

Suffix Breakdown & Model Matrix

• 330930: Base model number for the 3300 XL NSv Extension Cable.
• -040: Cable length option designating a 4.0 meter (13.1 feet) physical length.
• -02: Connector protector and cable option specifying a coaxial cable with integrated stainless steel armor but without an external FEP jacket layer.
• -00: Agency approval option specifying standard configuration with no hazardous area certifications.

Hardware Specifications

Transducer Interface & Mechanical Monitoring Characteristics

This matching extension link acts as an electrical impedance balancing agent to protect precise eddy-current probe scaling configurations over restricted targets. The low-loss internal design preserves correct gap voltage validation (-10 VDC targets) when the proximity system monitors small targets or operates under tight side-view mounting envelopes. Furthermore, the braided and foil interior shielding layers generate active cross-talk suppression against adjacent fields, preventing EMI leakage from distorting raw analog loops mapped to measure rotor dynamics on fluid-filmed bearing assemblies.

Frequently Asked Questions

Q: Can a 3300 XL NSv extension cable be mixed with standard 3300 XL 5 mm or 8 mm proximity system modules?

A: No, because the internal tuning metrics of the NSv family feature distinct capacitive profiles optimized for small shaft targets. Interconnecting an NSv extension cable with a standard 8 mm probe causes a severe scale factor mismatch and breaks loop linearity.

Q: What physical damage risk occurs if an armored cable lacks the optional outer FEP jacket?

A: The omission of the outer FEP jacket leaves the stainless steel armor gaps exposed to ambient moisture and chemical ingress. In environments containing high amounts of corrosive gases or conductive fluids, contaminants can collect under the armor and deteriorate the core shield layer over time.

Field Installation Guidelines

1. Route the armored cable length inside dedicated metal wire trays, avoiding physical proximity to power distribution runs to minimize inductive coupling.
2. Align the gold-plated male and female ClickLoc terminal surfaces axially and compress the parts firmly by hand until an audible physical click locks the link.
3. Observe a minimum bend radius constraint of 25.4 mm during layout to avoid crushing the internal FEP core and altering electrical impedance.
4. Wrap the completed ClickLoc junction block inside self-fusing silicone tape insulation if external connector protector hardware is not used at the link location.