Description
Bently Nevada 330171-20-55-05-02-CN: Extended Reach 5mm Vibration Probe
Description
Heavy-duty 5mm vibration probe with 2.0-inch unthreaded section for deep installations in turbines, gearboxes, and large rotating equipment. Features CN agency approval for regulated markets. Made in USA.
Technical Specifications
| Measurement Range | 0-100 mils (0-2.54mm) |
| Linearity | ±1% within 10-90 mils |
| Frequency Response | 0.5 to 12 kHz (±3dB) |
| Insulation Resistance | >100 MΩ at 50VDC |
Suffix Breakdown
- 330171: Base 5mm Probe
- 20: 2.0″ Unthreaded Length
- 55: 5.5″ Overall Case
- 05: 0.5m Cable
- 02: ClickLoc Connector
- CN: Country-Specific Approval
Installation Notes
- Max thread engagement: 0.375 inch
- Drill depth minimum: 6.0 inch for full case insertion
- Surface finish: Ra ≤ 0.8 μm for optimal accuracy
Model Comparison
| Feature | This Model | 330171-05-63-05-02-05 | 330171-05-63-05-02-CN |
| Unthreaded Length | 2.0 inch | 0.5 inch | 0.5 inch |
| Case Length | 5.5 inch | 6.3 inch | 6.3 inch |
| Agency Approval | CN | 05 | CN |
| Product Link | Current | View Details | View Details |
FAQ
Q: What’s the advantage of 2.0″ unthreaded length?
A: Allows installation through thick mounting pads without binding.
Q: Does CN approval require extra documentation?
A: Includes full compliance paperwork for Chinese regulatory submissions.
Q: Minimum target thickness?
A: 3mm+ AISI 4140 steel for accurate readings.
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