Bently Nevada 330908-00-30-10-01-05 NSv Proximity Probe | Replacement, Equivalent & Selection Guide
The Bently Nevada 330908-00-30-10-01-05 is an 8 mm NSv (Non-contacting vibration) eddy-current proximity probe designed for continuous shaft vibration, position, and eccentricity measurement in rotating machinery. It is fully compatible with the Bently Nevada 3300 XL and NSv monitoring systems and meets API 670 requirements for critical machinery protection.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 330908-00-30-10-01-05 |
| Series | NSv (Non-contacting vibration) |
| Probe Tip Diameter | 8 mm |
| Cable Length | 3.0 m (300 cm) |
| Thread Size | M10 × 1 |
| Connector Type | 5-pin MIL-C-5015 (01-05) |
| Sensitivity | 7.87 V/mm (200 mV/mil) |
| Linear Range | 0.25 – 2.54 mm (10 – 100 mil) |
| Supply Voltage | −24 VDC (nominal) |
| Operating Temperature | −35 °C to +121 °C |
| Target Material | AISI 4140 steel (standard) |
| Approvals | API 670, CE, ATEX (optional) |
| Compatible System | Bently Nevada 3300 XL / NSv |
Compatible Replacement & Equivalent Models
The following models are direct or functional equivalents to the 330908-00-30-10-01-05. Always verify cable length, connector type, and system compatibility before substitution.
| Part Number | Brand | Tip Dia. | Cable | Notes |
|---|---|---|---|---|
| 330908-00-05-10-01-05 | Bently Nevada | 8 mm | 0.5 m | Shorter cable variant |
| 330908-00-60-10-01-05 | Bently Nevada | 8 mm | 6.0 m | Longer cable variant |
| 330905-00-30-10-01-05 | Bently Nevada | 5 mm | 3.0 m | 5 mm tip, same connector |
| 330180-91-00 | Bently Nevada | 8 mm | — | 3300 XL 8 mm probe (legacy) |
| PR6423/010-100 | Epro / GE | 8 mm | 1.0 m | Functional equivalent, check driver |
| CWY-DO-810 | Shinkawa / Generic | 8 mm | 1.0 m | Budget alternative, verify linearity |
⚠ Note: Third-party replacements must be validated against the OEM driver/conditioner for sensitivity and linear range compatibility.
Why Choose the Original Model
- Factory-calibrated sensitivity — 7.87 V/mm guaranteed, no field adjustment required.
- API 670 compliance — meets machinery protection standards for turbines, compressors, and pumps.
- NSv system integration — plug-and-play with Bently Nevada 3300 XL drivers and monitors.
- Proven reliability — designed for continuous 24/7 operation in harsh industrial environments.
- Full OEM traceability — serialized, with calibration certificate available on request.
Typical Applications
- Steam and gas turbine shaft vibration monitoring
- Centrifugal compressor radial and axial position measurement
- Pump and motor eccentricity and runout detection
- Gearbox and fan shaft displacement monitoring
- API 670 machinery protection systems
System Compatibility
- Bently Nevada 3300 XL 8 mm Proximity System
- Bently Nevada NSv Proximity System
- Bently Nevada 3500 Series Monitoring Rack (with appropriate I/O module)
- Epro MMS 6000 / 6350 (with sensitivity verification)
- Any eddy-current driver accepting 200 mV/mil sensitivity probes
Selection Guide
Use the part number structure to select the correct variant for your application:
| Position | Code | Meaning |
|---|---|---|
| Tip Diameter | 330908 | 8 mm NSv probe |
| Revision | 00 | Standard revision |
| Cable Length | 30 | 3.0 m (300 cm) |
| Thread | 10 | M10 × 1 |
| Connector Style | 01 | Standard body |
| Connector Type | 05 | 5-pin MIL-C-5015 |
Key selection criteria:
- Cable length: Measure probe-to-driver distance; standard options are 0.5 m, 1.0 m, 3.0 m, 5.0 m, 6.0 m, 9.0 m.
- Tip diameter: 5 mm (330905) for tight clearances; 8 mm (330908) for standard installations.
- Target material: Confirm shaft material (4140 steel standard); non-standard alloys require recalibration.
- Hazardous area: Specify ATEX/IECEx certification if required for Zone 1/2 installations.
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels.
- Each probe inspected for physical integrity, connector condition, and cable continuity.
- Calibration certificates and OEM documentation available upon request.
- Traceability records maintained for every unit shipped.
- 30-day return policy for unused, uninstalled units in original packaging.
How to Order
- Confirm your part number: 330908-00-30-10-01-05
- Verify cable length and connector type match your existing installation.
- Add to cart or contact us for bulk pricing and lead time.
- Provide your shipping address and preferred freight method at checkout.
- For urgent requirements, email support@konmask.com with your PO details.
Replacement & Compatibility FAQ
Q: Can I use a 330908-00-30-10-01-05 with a 3300 XL driver?
A: Yes. The NSv probe is backward-compatible with the 3300 XL 8 mm driver/conditioner system.
Q: What is the difference between 330908 and 330905?
A: The 330908 has an 8 mm tip diameter; the 330905 has a 5 mm tip. Sensitivity and linear range differ — do not interchange without reconfiguring the driver.
Q: Can I extend the cable length in the field?
A: No. The probe, extension cable, and driver form a calibrated system. Altering cable length changes the system impedance and invalidates calibration. Order the correct cable length from the factory.
Q: Is this probe suitable for ATEX Zone 1 installations?
A: The standard 330908-00-30-10-01-05 is not ATEX-certified. Contact us for the ATEX/IECEx variant part number.
Q: What target materials are compatible?
A: AISI 4140 steel is the standard calibration target. Other ferromagnetic alloys may require a correction factor. Non-ferrous targets (aluminum, titanium) are not compatible.
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