Executive Product Overview
The Bently Nevada 330908-00-15-70-02-05 is a high-precision 3300 NSv proximity probe. Engineered for tight mounting spaces, it uses eddy current technology to measure shaft position and vibration. Manufactured in the U.S.A., this sensor features a 3/8-24 UNF thread and delivers high reliability in harsh industrial environments.
Need complete technical documentation? Download the official manual to get deep engineering specifications and wiring schematics.
Download Official Manual and Datasheet
Part Number Configuration Tree
- 330908 – 3300 NSv Probe, 3/8-24 UNF thread, unarmored
- 00 – Unthreaded Length Option: 0.0 inches
- 15 – Overall Case Length Option: 1.5 inches
- 70 – Total Length Option: 7.0 meters (23.0 feet)
- 02 – Connector Type: Miniature coaxial ClickLoc connector, standard cable
- 05 – Agency Approval: Multiple Hazardous Area Approvals
Technical Data
| Brand & Manufacturer | Bently Nevada (Made in U.S.A.) |
| Part Number | 330908-00-15-70-02-05 |
| Product Series | 3300 NSv Transducer System |
| Measurement Range | Standard 0.25 mm to 1.5 mm (10 to 60 mils) linear range |
| Frequency Response | 0 Hz to 10 kHz flat response |
| Linearity & Scale Factor | 7.87 V/mm (200 mV/mil) nominal incremental scale factor |
| Resolution | Sub-micron resolution for static gap and dynamic vibration |
| DC Resistance (RPROBE) | 5.9 ± 0.9 ohms (center to outer conductor for 7m) |
| Temperature Limits | -52°C to +177°C (-62°F to +351°F) operating and storage |
| Pressure & Seal Rating | Viton O-ring differential pressure seal between tip and case |
| Construction Materials | AISI 304 Stainless Steel case with Polyphenylene Sulfide (PPS) tip |
| Cable Type | 75 Ω coaxial, FEP insulated, unarmored construction |
| Certifications | Option 05 Multiple Approvals for hazardous areas |
| Unit Weight | Approximately 14 g to 150 g (0.5 oz to 5.3 oz) |
Target Applications and Compatible Equipment
- Centrifugal compressors with tight internal bearing clearance
- Small steam turbines and high-speed pumps
- Fluid-film bearing machinery demanding small side clearance
- Precision gearbox shaft dynamic position monitoring
- Integration with Bently Nevada 3500 and 3300 monitoring systems
Installation, Maintenance, and System Compatibility
- Maximum probe case installation torque is 33.9 N•m (300 in•lb)
- Recommended installation torque is 11.3 N•m (100 in•lb)
- Maximum thread engagement depth is 0.563 inches for 3/8-24 threads
- ClickLoc connectors allow fast snap-on assembly without special tools
- Fully compatible with 3300 NSv extension cables and Proximitor sensors
- Resists chemical attack due to tough FEP insulation and PPS tip
Manager’s Insight & Engineering Review
The 3300 NSv series solves tight space challenges where standard 8mm probes cannot fit. The 330908-00-15-70-02-05 gives exceptional spatial resolution on small diameter targets. Engineers select this 7-meter configuration to eliminate extra extension cable connections. This design reduces signal noise and simplifies long conduit runs directly to monitor racks.
Shipping, Warranty, and Package Contents
- Package Contents: 1 x Bently Nevada 330908-00-15-70-02-05 probe with protective connector cap
- Warranty Coverage: Full 12-Month Factory Warranty included
- Dispatch Time: Ships fast within 12 to 48 hours from inventory
- Express Logistics: Worldwide delivery via FedEx, UPS, or DHL
Frequently Asked Questions & Procurement Guide
Q: What makes the NSv probe distinct from standard Bently Nevada 3300 XL 8mm probes?
A: The NSv probe has a smaller tip diameter. It targets narrow side-clearance installations where standard 8mm probes experience side-view optical distortion.
Q: Can I run this probe at extremely low temperatures continuously?
A: Sustained exposure below -34°C (-30°F) can cause premature failure of the Viton pressure seal. Keep operating ranges above this limit for pressure-sealed applications.
Q: How do I verify if my 7.0-meter probe cable is healthy in the field?
A: Check the core resistance with a digital multimeter. A normal 7.0-meter probe reads between 5.0 and 6.8 ohms from center conductor to outer conductor.
Q: How do I select the right total cable length for replacement?
A: Always match the total length of the probe plus extension cable to your specific Proximitor sensor calibration, typically 5m or 7m total.
Q: Are these units tested for pressure before shipment from factory?
A: No. While built with a Viton O-ring seal, 3300 NSv probes are not pressure tested prior to delivery.
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