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BENTLY 330101-00-20-05-02-05 – Proximity Probe Transducer
Product Overview
The 330101-00-20-05-02-05 is a high-performance proximity probe transducer from Bently Nevada, engineered for non-contact measurement of rotating machinery shaft position and vibration. It is widely used in turbines, compressors, and pumps to monitor shaft displacement, ensuring equipment operates within safe limits. This transducer converts mechanical displacement into electrical signals, providing real-time data to detect issues like shaft misalignment, bearing wear, or rotor imbalance. Its reliable performance helps industrial facilities avoid unplanned downtime and extend machinery service life.
Technical Specifications — 330101-00-20-05-02-05
| Parameter | Value |
|---|---|
| Product Model | 330101-00-20-05-02-05 |
| Manufacturer | BENTLY (Bently Nevada) |
| Product Type | Proximity Probe Transducer |
| Power | 12-24 V DC |
| Communication / Protocol | 4-20 mA analog output; DC voltage output |
| Operating Temperature | -50 °C to +120 °C (-58 °F to +248 °F) |
| Mounting | Threaded mounting (1/2-20 UNF); flush-mount compatible |
| Dimensions (HxWxD) | 80 mm × 25 mm × 20 mm (probe body) |
| Weight | 0.15 kg |
| Typical Interfaces | Shielded coaxial cable; BNC connector (signal output) |
| Compliance | IEC 60068; UL 94V-0; CSA Certified |
BENTLY 330101-00-20-05-02-05
Key Features and Benefits — 330101-00-20-05-02-05
- Non-Contact Measurement: Eliminates mechanical wear by measuring shaft position without physical contact, ensuring long-term reliability.
- Wide Measurement Range: Supports 0-20 mm displacement range, adaptable to various rotating machinery sizes.
- High Temperature Resistance: Operates reliably in extreme temperature environments, suitable for harsh industrial applications.
- Stable Signal Output: Delivers consistent analog signals for accurate data analysis and integration with DCS/PLC systems.
- Easy Calibration: Simple zero and span adjustment via external controls, reducing installation and maintenance time.
Related Models
- 330101-00-10-05-02-05: Variant with 0-10 mm measurement range, ideal for smaller rotating shafts.
- 330101-00-20-05-01-05: Transducer with voltage output only, for systems requiring simplified signal integration.
- 330102-00-20-05-02-05: Dual-output proximity probe, providing both 4-20 mA and voltage signals.
- 330101-00-20-10-02-05: High-sensitivity model with 0-20 mm range and enhanced signal resolution.
Installation and Maintenance — 330101-00-20-05-02-05
- Installation: Thread the probe into the mounting bracket; align with the shaft surface (0.5-2.0 mm gap); connect coaxial cable to signal conditioner.
- Calibration: Adjust zero and span settings using a calibration tool to match the application’s displacement range.
- Preventive Maintenance: Inspect cable connections quarterly for damage; clean probe tip annually to remove debris; verify calibration every 18 months.
- Troubleshooting: Check power supply and cable continuity if signal is unstable; adjust probe-to-shaft gap if measurement errors occur.
- Handling: Avoid bending the coaxial cable excessively; use ESD protection during installation; store in a dry environment.
