The Bently Nevada 330130-045-01-00, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for RF signal transmission within 3300 XL Proximitor Sensor networks. It acts as the electrical link connecting a proximity probe to a remote transducer module, facilitating continuous measurement loop continuity without introducing uncompensated impedance variations or phase errors into the vibration monitoring circuit.
Suffix Breakdown & Model Matrix
- 330130 - Base Model: 3300 XL Standard Extension Cable
- -045 - Cable Length Option: 4.5 metres (14.8 feet)
- -01 - Connector Protector and Cable Option: Armored cable without connector protectors
- -00 - Agency Approval Option: Not required
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330130-045-01-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 1.85 kg nominal |
| Dimensions | 4.5 m physical length (armored jacket diameter 5.89 mm) |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | 0.0 W (Passive component) |
| Transducer Compatibility | 3300 XL 5 mm and 8 mm Proximity Probe Systems |
| System Characteristic Impedance | 75.0 ohm nominal |
| Electrical Capacitance | 69.9 pF/m (21.3 pF/ft) nominal |
Eddy-Current Probe Scaling & Rotor Dynamics
The 330130-045-01-00 extension cable maintains tight impedance tolerances over its 4.5 m path to stabilize eddy-current probe scaling for dynamic measurements. This impedance stability prevents attenuation of high-frequency signals generated by rotor dynamics, ensuring precise vibration tracking. The integrated armor shield optimizes cross-talk suppression between neighboring runs, supporting gap voltage validation targeting nominal -10 VDC levels during steady-state operation.
Frequently Asked Questions
Q: How does the internal capacitance change if the armored jacket is crushed or kinked during layout?
A: Physical deformation of the armored jacket alters the spacing between the inner conductor and outer shield. This change shifts the local capacitance away from the baseline 69.9 pF/m specification, disrupting system calibration and generating false values in the transducer monitoring loop.
Q: Can this 4.5 m extension cable be connected directly to a 3300 XL 11 mm proximity probe system?
A: No. The 330130 extension cable is electrically designed and calibrated exclusively for 3300 XL 5 mm and 8 mm transducer systems. Connecting it to an 11 mm probe alters the overall circuit parameters, causing severe scale factor non-linearity.
Field Installation Guidelines
- Maintain a minimum static bend radius of 25.4 mm throughout the cable run to prevent mechanical breakdown of the internal dielectric material.
- Pull the cable through dedicated low-voltage instrument raceways to optimize signal isolation from industrial switching noise.
- Do not cut, splice, or solder the coaxial core in the field; any modification to the physical length invalidates factory calibration.
- Wrap the exposed coaxial terminal connections with self-fusing insulation tape to isolate the shield from accidental contact with local structural steel.
What's clients say about us
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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
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Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
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