Description
Bently Nevada 3300 XL 8mm Proximity Probe: Precision Vibration Sensing
Industrial-grade 8mm vibration sensor for critical machinery monitoring. M10x1 threaded design with 250mm stainless steel body.
Technical Specifications
| Parameter | Value |
| Model Number | 330103-00-25-05-02-00 |
| Linear Range | 2mm (80 mils) |
| Optimal Gap Setting | 1.27mm (50 mils) @ -9Vdc |
| DC Resistance (0.5m) | ≈3.73Ω (center to outer conductor) |
| Cable Length | 0.5 meter (1.6 ft) |
| Max Wiring Distance | 305m (1,000 ft) |
Robust Construction
- Probe Tip: Polyphenylene sulfide (PPS)
- Housing: AISI 303/304 stainless steel
- Seal: Viton® O-ring (pressure differential rated)
- Connector: Miniature coaxial ClickLoc
Performance Parameters
- Linear range: 0.25-2.3mm (10-90 mils)
- Output: -1 to -17Vdc proportional to gap
- Frequency response maintained up to 305m cable runs
- <3% ASF change at 93% humidity (56 days)
Extreme Environment Ready
| Condition | Rating |
| Temperature (Probe Tip) | -52°C to +218°C (-62°F to +425°F) |
| Temperature (Cable) | -51°C to +260°C (-60°F to +500°F) |
| Hazardous Areas | Class I, Zone 0 (AEx/Ex ia IIC) |
Critical Applications
- Power generation turbines
- Oil refinery compressors
- Centrifugal pumps
- Paper mill rollers
- Marine propulsion systems
- High-speed gearboxes
Installation Guide
- Mount with M10×1 thread (max 15mm engagement)
- Position probe tip 1.27mm from target surface
- Use shielded triad cable (0.2-1.5mm²)
- Verify -9Vdc output at optimal gap
- Avoid temperatures below -34°C to preserve seal
Shipping & Packaging
- Includes: Probe, connector
- Dimensions: 250mm length × 8mm diameter
- Weight: 323g/m (0.323kg total)
- Shipping: FedEx/UPS/DHL (global 2-3 days)
- Warranty: 12 months
Maintenance Guidelines
Annual Check: Gap calibration & seal integrity
Temp Monitoring: Avoid >218°C at probe tip
Replacement: After physical damage or seal failure
Performance: Verify output within -1 to -17Vdc range
Expert Q&A
Q: Minimum target material thickness?
A: 1.5× probe diameter (12mm minimum)
Q: Compatible with 3300 XL monitors?
A: Yes, designed for seamless integration
Q: Pressure rating for O-ring seal?
A: Contact custom design department for pressure testing
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