Description
Product Core Brief
- Model: 330908-00-08-05-02-CN
- Brand: BENTLY NEVADA
- Series: 3300 XL NSv (Non-Standard View)
- Core Function: Measures radial vibration and axial position in restricted spaces.
- Product Type: Eddy Current Proximity Probe
- Key Specs: 8 mm Tip | 0.5 m System Length | CN Regional Approval
- Condition: New Original (New Surplus)
BENTLY 330190-040-00-CN
Product Introduction
The BENTLY 330908-00-08-05-02-CN is an 8 mm eddy current proximity probe from the specialized 3300 XL NSv series. It is specifically engineered for applications with limited installation space, such as small shafts, side-view configurations, and restricted areas in centrifugal compressors, pumps, and fans.
Unlike standard 8 mm probes, the NSv series features enhanced side-view performance and small-target measurement capabilities. This 0.5 m system length probe complies strictly with API 670 standards and offers full interchangeability within the 3300 XL NSv ecosystem, eliminating the need for individual system matching. The -CN suffix indicates compliance with Chinese regional certification requirements, making it suitable for domestic industrial applications.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Probe Tip Diameter | 8 mm (0.315 in) |
| System Length | 0.5 m (1.6 ft) |
| Sensitivity | 7.87 V/mm (200 mV/mil) ± 6.5% |
| Linear Range | 1.5 mm (60 mils) |
| Frequency Response | 0 to 10 kHz |
| Supply Voltage | -24 V DC |
| Operating Temp | 0°C to +45°C |
| Target Size (Flat) | Min 8.9 mm, Recommended ≥13 mm |
| Certification | CN (China Regional Approval) |
| Compliance | API 670, ISO 10817-1 |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We check source traceability and verify serial numbers against anti-counterfeit databases. Visual inspection confirms no physical damage or connector corrosion.
- Live Functional Test: Power-on self-checks validate basic operation. We run continuous load tests exceeding 24 hours with temperature logging to ensure stability.
- Electrical Parameter Test: Insulation resistance is verified using a 500 V Megger, requiring >10 MΩ. Ground continuity is also strictly checked.
- Linearity Calibration: NSv probes are verified using a TK-3E eddy current probe calibrator to ensure linearity deviation (DSL) remains within ±0.06 mm.
- Final QC & Packaging: The unit is sealed in an anti-static bag. A QC Passed label with the inspection date is applied before shipping.
BENTLY 330190-040-00-CN
Replacement Pitfall Guide
❗ NSv vs. Standard 8mm Confusion: The 330908 is an NSv (Non-Standard View) probe. Do not substitute it with a standard 330104 or 330103 series probe, as the NSv has a shorter linear range (1.5 mm vs 2.0 mm) and different side-view characteristics.
❗ System Length Mismatch: The electrical length of the probe must exactly match the proximitors’ rating. A 0.5 m NSv probe requires a proximitors rated for exactly 0.5 m.
❗ Small Target Limitations: If measuring axial position on a shaft smaller than 13 mm (0.5 in), the sensitivity factor may vary. Reduce the probe-to-target gap to minimize scale factor changes.
❗ Cable Termination Issues: Always verify shield grounding at the third terminal block. Improper grounding here is the #1 cause of 60 Hz hum in vibration data.
❗ ESD Damage: Use an anti-static mat during installation. Dry environments significantly increase electrostatic discharge risks to sensitive electronics.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
- 330908-00-08-05-02-CN → 330908-00-08-05-02-00 : Direct — same probe, standard agency approvals vs. CN
- 330908-00-08-05-02-CN → 330908-00-08-10-02-05 : Needs Adaptation — different system length (0.5 m vs 1.0 m)
- 330908-00-08-05-02-CN → 330104-00-05-10-02-00 : Incompatible — Standard 8mm vs. NSv series
- Paired Proximitor: 330980-50-00-CN or 990-05-50-01-CN
- Output Linearity: DSL < ±0.06 mm over 60 mil range
