330876-03-90-01-00 Bently Nevada 3300 XL 50mm Probe
Manufacturer: Bently Nevada
Product No.: 330876-03-90-01-00
Condition： In stock
Product Type: Proximity Probe
Product Origin: USA
Payment: T/T, Western Union
Weight: 590g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Product Overview
The 330876-03-90-01-00 is a high-temperature proximity probe.
It belongs to the Bently Nevada 3300 XL 50 mm transducer family.
This sensor measures differential expansion on large steam turbine rotors.
High Temperature FluidLoc cable prevents steam and moisture penetration.
The robust PPS probe tip resists harsh thermal environments up to 250°C.
Configuration Breakdown
-
330876 — Base Model: 3300 XL 50 mm Proximity Probe
- -03 — Case Option: Smooth 1.99-inch diameter case with side cable exit
- -90 — Total Length Option: 9.0 meters (29.5 feet) continuous cable length
- -01 — Armor Option: High Temperature FluidLoc cable with stainless steel armor
- -00 — Approval Option: Standard non-hazardous area installation approval
Technical Specifications
| Specification Category | Engineering Parameter Value |
|---|---|
| Manufacturer Brand | Bently Nevada |
| Product Model Number | 330876-03-90-01-00 |
| Transducer Series | 3300 XL 50 mm System |
| Probe Case Style | Smooth 1.99 in (50.5 mm) outer diameter with side exit leads |
| Mounting Interface | Two 1/4-20 tapped mounting holes in case rear face |
| Total System Length | 9.0 meters (29.5 feet) total probe lead length |
| Cable Architecture | 75 Ω triaxial PFA-insulated High Temperature FluidLoc armored cable |
| Coil DC Resistance | 8.9 Ω ± 1.1 Ω center to outer conductor resistance |
| Continuous Operating Temp | -35°C to +200°C (-31°F to +392°F) continuous thermal rating |
| Peak Short-Term Temp | +250°C (+482°F) maximum tolerance for under 24 hours |
| Construction Materials | AISI 304 Stainless Steel case with PPS molded tip |
| Connector Type | High-temperature ClickLoc coaxial connector with protective boot |
Cross-Model Comparison & Selection Guidance
| Design Feature | 330876-03-90-01-00 | 330876-01-10-01-00 |
|---|---|---|
| Case Style | Smooth 1.99 in side exit case | Threaded 1/2-20 straight exit case |
| Cable Length | 9.0 meters (29.5 feet) | 1.0 meter (3.3 feet) |
| Mounting Style | Rear bolt-on 1/4-20 thread holes | Threaded outer casing locknut mount |
| Junction Box Distance | Direct routing to exterior enclosure without extensions | Requires separate extension cable near bearing housing |
| Engineering Advice | Select for tight axial clearance inside turbine pedestals. | Select for standard threaded ports with external extension runs. |
Installation & Maintenance Guidelines
- Mount the probe using two 1/4-20 rear bolts inside the bracket.
- Ensure target shaft collar area covers the full 50 mm probe tip face.
- Set initial mechanical gap according to system calibration sheets.
- Tighten ClickLoc connectors firmly until internal locking clips snap into place.
- Use provided protector installation tools to prevent moisture contamination on pins.
System Compatibility & Approvals
- Integrates with Bently Nevada 3300 XL 50 mm Proximitor Sensors.
- Connects directly into Bently Nevada 3500 and 3300 machinery monitoring racks.
- Option 00 designates standard non-hazardous industrial machinery compliance.
Package Contents & Warranty Terms
- 1 x Bently Nevada 330876-03-90-01-00 Proximity Probe
- 1 x Connector protector set with disposable installation tool
- Includes 12-Month factory warranty covering operational defects.
Shipping & Global Express Delivery
- Fast dispatch within 24 to 48 hours following order confirmation.
- Global shipping available via FedEx express air freight services.
- International door-to-door delivery provided via UPS and DHL logistics networks.
Typical Application Scenarios & Diagnostic Capabilities
- Differential expansion measurement on utility steam turbine rotors.
- Rotor position monitoring on high-temperature gas turbine drive ends.
- Thermal growth tracking on heavy industrial turbo-compressors.
- Long-range axial displacement diagnostic checks on large generator sets.
Global PLC Spare HUB's Insight
Steam turbine drive ends present extreme thermal and moisture challenges during operation.
During a utility plant turnaround, technicians struggled with tight axial clearance behind the bearing deck.
Standard axial-exit probes interfered with structural framing inside the turbine housing.
Installing the 330876-03-90-01-00 resolved the physical interference using its side-exit construction.
The 9.0-meter armored lead routed directly to external junction boxes without intermediate connections.
Frequently Asked Questions (FAQ)
Q: Why is a 50 mm proximity probe selected instead of standard 8 mm probes?
A: The 50 mm probe provides an extended linear range required for steam turbine differential expansion.
Q: How does the side exit case option assist installation in restricted turbine housings?
A: Side exit cabling reduces required rear depth clearance inside tight bearing pedestals.
Q: What thermal limits apply to the 330876-03-90-01-00 during steam spikes?
A: The probe withstands +200°C continuously and peak temperatures up to +250°C for short periods.
Q: How do I test the health of the 9.0-meter integral probe cable?
A: Measure DC resistance between center conductor and shield. A healthy coil reads 8.9 ± 1.1 Ω.
Q: Why is High Temperature FluidLoc cable standard on this model?
A: FluidLoc technology seals internal cable gaps, preventing oil and steam condensate migration.
Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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