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The Bently Nevada 330850-90-CN is a 3300 XL 25 mm front sensor designed for high-precision, non-contact measurement of vibration and shaft displacement in rotating machinery. It is part of the renowned Bently Nevada 3300 XL proximity transducer system, widely deployed in industrial condition monitoring and machinery protection applications.
Built for demanding industrial environments, this sensor delivers reliable, accurate measurement data that enables early fault detection and enhanced machine reliability.
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 330850-90-CN |
| Product Series | 3300 XL |
| Sensor Type | 25 mm Front Sensor |
| Measurement Type | Shaft vibration and displacement |
| Total Cable Length | 9.0 meters |
| Weight | 0.255 kg |
| Sensing Technology | Eddy current proximity system |
| Output Signal | Conditioned displacement/vibration output |
| Installation | Industrial mounting system |
| Operating Environment | Heavy-duty industrial use |
| System Compatibility | Bently Nevada 3300 XL system |
The 330850-90-CN front sensor is a core component of a non-contact proximity measurement system used to monitor rotating machinery. It functions with a proximity probe and extension cable to detect changes in shaft position and vibration without physical contact, converting these changes into a stable electrical signal for monitoring systems.
This model variant is designed for installations requiring a 9.0-meter cable and is suitable for a wide range of industrial machines.
The sensor operates using eddy current proximity technology. A high-frequency electromagnetic field is emitted at the probe tip. When a conductive shaft rotates within this field, eddy currents are induced on the shaft surface.
Variations in the gap between the probe and the shaft alter the electromagnetic response, which the sensor converts into a proportional electrical signal.
It enables continuous measurement of:
The non-contact method ensures accurate, wear-free measurement.
The 330850-90-CN serves as the signal conditioning interface within the 3300 XL architecture, enabling real-time machinery health monitoring and protection.
Its primary functions include:
It ensures continuous protection of critical rotating equipment in industrial facilities.
This sensor is widely used in industries where continuous monitoring of rotating machinery is essential:
It is especially valuable in environments requiring high reliability and long-term operation.
The 330850-90-CN typically works with:
A complete matched system ensures accurate measurement and reliable performance.
| Model | Cable Length | Application |
|---|---|---|
| 330850-90-CN | 9.0 m | Standard long-distance installation |
| 330850-90-05 | 9.0 m | Alternate long-length variant |
| 330850-90-00 | 9.0 m | Base configuration version |
| 330850-51-05 | 5.0 m | Medium-length installations |
| 330850-50-00 | 5.0 m | Short-length installations |
What is the primary function of this sensor?
It measures shaft vibration and displacement using non-contact eddy current technology.
Is it part of a complete system?
Yes, it integrates with probes, cables, and monitoring modules in the 3300 XL system.
What types of machinery use this sensor?
It is used on turbines, compressors, pumps, and other rotating industrial equipment.
Can it operate continuously?
Yes, it is designed for long-term industrial monitoring.
The Bently Nevada 330850-90-CN 3300 XL 25 mm Front Sensor is a reliable and precise industrial sensor designed for vibration and displacement measurement in critical rotating machinery. Its non-contact sensing technology and compatibility with the 3300 XL system make it a dependable choice for machinery protection, condition monitoring, and predictive maintenance in demanding industrial environments.