Bently Nevada 330876-02-50-00-00 50 mm Proximity Probe
A 3300 XL 50 mm probe with M14 × 1.5 thread, 5.0 m total length and high-temperature FluidLoc cable.
Product Profile
330876-02-50-00-00 is a 3300 XL 50 mm proximity probe for large-range displacement measurements such as turbine differential expansion.
Option 02 identifies the M14 × 1.5 thread, option 50 sets 5.0 m total length, cable code 00 specifies high-temperature FluidLoc cable without armor, and approval code 00 indicates no agency approvals.
Five-meter probes are designed for a five-meter 3300 XL 50 mm Proximitor Sensor system; the full chain length must be kept consistent.
Technical Data
| Manufacturer | Bently Nevada |
|---|---|
| Exact model | 330876-02-50-00-00 |
| System family | 3300 XL 50 mm |
| Component type | Proximity probe |
| Thread | M14 × 1.5 |
| Total probe and lead length | 5.0 m |
| Cable option | High-temperature FluidLoc cable, no armor |
| Agency approval option | 00 — not required |
| System linear range | 27.9 mm (1100 mil) |
| Measurement principle | Eddy current, non-contact |
| System-length pairing | Use with the documented 5 m 50 mm Proximitor Sensor |
System Role
The 50 mm system provides extended linear travel for large machinery displacement.
FluidLoc cable construction supports demanding oil and temperature environments within the documented limits.
Exact thread and length codes preserve the mechanical and electrical chain configuration.
The system is designed for strong RFI and EMI immunity when installed as specified.
Compatibility
- Confirm the full probe code, Proximitor Sensor total length and target geometry.
- Inspect the FluidLoc cable, connectors and M14 × 1.5 mounting thread.
- Verify travel and clearance through the full expected differential-expansion range.
- After installation, document gap, linear response, polarity, scaling and protection logic.
Applications
- Differential expansion between turbine rotor and casing.
- Large axial displacement and position measurement on steam-turbine generator sets.
- Like-for-like 5 m measurement chains using the matched 50 mm Proximitor Sensor.
FAQ
Can 330876-02-50-00-00 be paired with a 9 m Proximitor Sensor?
No. The manufacturer states that five-meter probes are designed for a five-meter Proximitor Sensor system.
What does approval code 00 mean on 330876-02-50-00-00?
The current ordering table identifies 00 as no agency approvals; verify site hazardous-area requirements before installation.
Why is target travel important for 330876-02-50-00-00?
This large-range probe is commonly used for differential expansion, so the mounting must allow the full mechanical movement without leaving the calibrated range.
What evidence should accompany a 330876-02-50-00-00 enquiry?
Provide probe and Proximitor labels, thread and bracket photographs, target geometry, system length, cable route and configured scale.
How should 330876-02-50-00-00 be commissioned?
Check zero and center gap, sweep the required travel where practical, confirm scaling and polarity, and test every associated alarm or trip.
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