Description
Description
- Bently Nevada designs the 330709-000-080-90-12-05 probe for precise shaft motion detection.
- The probe belongs to the 3300 XL 11 mm Proximity Probes series.
- It uses an M16 x 1.5 case with high stability in harsh plants.
- The design supports accurate displacement readings in rotating equipment.
- The probe resists heat, shock, and contamination for long service life.
- It fits turbines, compressors, blowers, pumps, and large industrial drives.
Technical Specifications
- Brand: Bently Nevada
- Model: 330709-000-080-90-12-05
- Series: 3300 XL 11 mm Proximity Probe
- Probe Thread: M16 x 1.5
- Unthreaded Length: 0 mm
- Case Length: 80 mm
- Total Cable Length: 9.0 m
- Cable Type: Miniature coaxial ClickLoc with FluidLoc cable
- Probe DC Resistance: 8.5 ± 1.1 ohms
- Minimum Target Diameter: 30.5 mm flat surface
- Minimum Shaft Diameter: 152 mm
- Tip Material: PPS
- Case Material: AISI 304 SST
- Cable Spec: 75 Ω triaxial FEP insulated
- Case Torque: 21.1 N·m
- Connector Torque: Finger tight, max 0.565 N·m
- Min Bend Radius: 25.4 mm
- Max Thread Engagement: 24 mm
- Temperature Range: -52°C to +177°C
- Low Temp Seal Notice: Use above -34°C to protect seal life
- Environmental Strength: Strong oil, vibration, and chemical resistance
- Interference Control: Robust shielding for stable low-noise signals
- Agency Approvals: Multiple approvals (Option 05)
Measurement Performance
- Wide dynamic range for stable shaft motion readings.
- High linearity across the calibrated range.
- Fast response for dynamic vibration signals.
- High sensitivity for micro-level displacement changes.
Compatibility
- Works with Bently Nevada 3300 and 3500 systems.
- Matches standard proximity drivers and extension cables.
- Fits legacy monitoring racks with no modification.
Installation Guide
- Verify thread depth before mounting.
- Apply the correct torque to avoid case damage.
- Keep the bend radius above 25.4 mm.
- Route cables away from strong EMI sources.
- Inspect connectors for clean contact before tightening.
Commissioning and Maintenance
- Check gap voltage during first startup.
- Confirm stable DC output from the driver.
- Inspect cables for wear during shutdown windows.
- Keep the probe tip clean and dry.
- Replace damaged connectors to maintain signal quality.
Typical Applications
- Critical turbine vibration tracking.
- Compressor shaft displacement monitoring.
- Pump bearing motion checks.
- Motor health evaluation.
- Large gear drive vibration diagnostics.
Diagnostic Capabilities
- Detects shaft rub and bow conditions.
- Reveals misalignment and imbalance early.
- Shows rotor thermal growth trends.
- Supports long-term machine health prediction.
Package List
- One 330709-000-080-90-12-05 probe
- Factory documentation
- Quality certificate
Warranty
- 12-month warranty from delivery date.
- Warranty covers defects in materials and workmanship.
Shipping
- Global express delivery via FedEx.
- UPS and DHL optional.
- Secure export-grade packaging.
FAQ
- How do I confirm correct probe alignment?
- Check the gap reading and adjust the mount until the output stays stable.
- Why is the DC voltage drifting?
- Inspect the cable path and remove electrical noise sources near the probe.
- Can I install this probe near high heat?
- Use it only within the -52°C to +177°C range to protect materials.
- What field mistake causes most failures?
- Over-tight torque or cable bending below the rated radius.
- Can it run with older Bently drivers?
- Yes. The design fits most legacy drivers without changes.
- How often should I check the connectors?
- Check them during each planned shutdown for safe operation.
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