Bently Nevada 330730-040-12-00 11 mm Extension Cable
A 4.0 m FluidLoc extension cable with connector protection for a matched 3300 XL 11 mm proximity system.
Overview
330730-040-12-00 is a Bently Nevada 3300 XL 11 mm extension cable. The code identifies a 4.0 m cable with FluidLoc construction and a connector protector, with approvals not required under option 00.
With the typical 1.0 m probe lead, this cable completes the 5 m electrical length expected by the matching 11 mm Proximitor Sensor. It is a calibrated system component and should not be replaced by generic coaxial cable.
Specs
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Model | 330730-040-12-00 |
| Series | 3300 XL 11 mm proximity transducer system |
| Component Type | Extension cable |
| Cable Length | 4.0 m (13.1 ft) |
| Cable Option 12 | FluidLoc cable with connector protector |
| Approval Option | 00, approvals not required |
| Typical Matched Probe Length | 1.0 m |
| Resulting Standard System Length | 5.0 m when paired with the documented 1.0 m probe |
| Electrical Function | Carries the probe signal within the calibrated 11 mm transducer chain |
Features
- Maintains the required electrical characteristics between an 11 mm probe and Proximitor Sensor.
- Uses FluidLoc construction for applications where oil migration control is part of the system design.
- Includes connector protection to shield the probe-to-cable junction during service.
- Provides the documented length needed to complete a standard 5 m loop with a 1 m probe.
Applications
- Maintenance of existing 3300 XL 11 mm proximity channels.
- Large rotating-machine vibration and displacement loops using the 11 mm family.
- Cable replacement after damage or contamination where the probe and Proximitor remain serviceable.
Lifecycle
- Label both ends before removal and keep the channel components together.
- Inspect connector pins, dielectric surfaces and protector engagement without twisting the coaxial joint.
- Route away from sharp edges, hot surfaces and unsupported tension.
- After replacement, check loop gap, calibration response and monitor scaling before returning protection functions to service.
FAQ
Why can generic coaxial cable not replace 330730-040-12-00?
The extension cable contributes to the calibrated electrical length and response of the 11 mm transducer system; impedance and connector fit alone are insufficient.
Which probe length normally pairs with 330730-040-12-00?
A 1.0 m 11 mm probe commonly combines with this 4.0 m cable for a 5 m loop, but the installed Proximitor and full channel record must confirm it.
Can 330730-040-12-00 be used on an 8 mm proximity system?
No. Keep it within the compatible 3300 XL 11 mm family and verify all three component codes.
What evidence helps diagnose a suspected 330730-040-12-00 failure?
Provide resistance/continuity findings made with approved methods, connector photographs, gap behavior, route damage and comparison with a known-good channel.
What should be verified after installing 330730-040-12-00?
Check connector locking and protection, cable support, static gap voltage, channel scaling, alarm status and the machine baseline before enabling trips.
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