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BENTLY 330101-00-08-20-12-05 – 3300 XL 8mm Proximity Probe
Product Overview
The BENTLY 330101-00-08-20-12-05 is a high-precision non-contacting proximity probe, part of Bently Nevada’s 3300 XL series. It uses eddy current technology to monitor shaft displacement and vibration in critical rotating machinery, solving the problem of inaccurate mechanical movement detection in harsh industrial environments. Widely applied in oil & gas, power generation and manufacturing, it converts mechanical movements into electrical signals, enabling real-time analysis of equipment health and supporting predictive maintenance to reduce unplanned downtime. It integrates seamlessly with Bently 3300 series monitors and 3500 rack systems for reliable performance.
Technical Specifications — 330101-00-08-20-12-05
| Parameter | Value |
|---|---|
| Product Model | 330101-00-08-20-12-05 |
| Manufacturer | BENTLY (Bently Nevada) |
| Product Type | 3300 XL 8mm Proximity Probe |
| Power | 24 VDC (supplied by compatible monitor) |
| Communication / Protocol | Eddy current signal transmission (compatible with Bently monitoring systems) |
| Operating Temperature | -40°C to +177°C |
| Mounting | Threaded (1/2-20 UNF or M14×1.5) |
| Dimensions (HxWxD) | Probe: 8mm (diameter) × 50mm (length); Cable: 6.1m (20ft) |
| Weight | 0.25 kg |
| Typical Interfaces | Gold-plated connector, 2-wire signal output |
| Compliance | API 670, IP 65, NEMA 4x, IEC standards |
BENTLY 330101-00-08-20-12-05
Key Features and Benefits — 330101-00-08-20-12-05
- Non-contacting design: Uses eddy current technology to avoid mechanical wear, ensuring long-term stable operation in rotating machinery applications.
- High accuracy: Offers ±0.5% linearity with a 0–250 mils (0–6.35mm) measurement range, enabling early detection of shaft misalignment or bearing wear.
- Rugged construction: Stainless steel case and PPS probe tip provide corrosion resistance, suitable for harsh environments with dust, moisture and chemicals.
- Easy integration: 2-wire installation and compatibility with Bently 3300/3500 series systems simplify integration into existing monitoring networks.
- Temperature compensation: Built-in integral temperature compensation ensures consistent performance across the entire operating temperature range.
Related Models
- 330101-00-43-15-02-CN: BENTLY 3300 XL 8mm probe with 4.3-inch case and 1.5m cable, featuring CSA and ATEX approvals.
- 330101-00-72-20-02-CN: 8mm proximity probe with 3/8-24 UNF thread, 7.2-inch case and 2m cable, compliant with safety certifications.
- 330101-00-75-20-02-CN: BENTLY 3300 XL 8mm probe with 7.5-inch case and 2m cable, suitable for general industrial rotating machinery.
- 330101-02-12-10-02-00: 3300 XL 8mm proximity probe with extension cable, offering total system interchangeability.
Installation and Maintenance — 330101-00-08-20-12-05
- Mount via threaded connection, ensuring proper alignment with the target shaft to maintain measurement accuracy.
- Avoid installing near strong electromagnetic interference sources; keep the 6.1m cable away from high-voltage lines.
- Check the gold-plated connector regularly for corrosion or loose connections to ensure stable signal transmission.
- No regular component replacement needed; conduct annual inspections to verify compliance with API 670 standards.
- Use compatible Bently monitoring systems to calibrate the probe and ensure accurate displacement and vibration readings.
