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- Bently Nevada
- 330850-90-CN
- 3300 XL 25 mm Front Sensor
- USA
- 9.0 meters
- 0.255 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
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.
Technical Specifications
| 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 |
What This Product Is
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.
Function and Working Principle
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:
- Shaft vibration
- Radial and axial displacement
- Dynamic movement of rotating components
The non-contact method ensures accurate, wear-free measurement.
Role in Industrial Systems
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:
- Converting raw probe signals into usable monitoring data
- Supporting real-time vibration and displacement analysis
- Enabling early fault detection and alarms
- Feeding data into shutdown and protection systems
- Supporting predictive maintenance strategies
It ensures continuous protection of critical rotating equipment in industrial facilities.
Industrial Applications
This sensor is widely used in industries where continuous monitoring of rotating machinery is essential:
- Power generation facilities
- Oil and gas production and processing plants
- Petrochemical and chemical plants
- Industrial compressor systems
- Pumping and hydraulic systems
- Marine propulsion and engine monitoring
It is especially valuable in environments requiring high reliability and long-term operation.
Compatible System Components
The 330850-90-CN typically works with:
- 3300 XL 25 mm proximity probes
- Matched extension cables
- Bently Nevada 3300 XL monitoring modules
- Machinery protection and data acquisition systems
- Industrial mounting hardware
A complete matched system ensures accurate measurement and reliable performance.
Recommended Alternative Models
| 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 |
Key Advantages
- High-precision non-contact measurement
- Stable performance in harsh industrial environments
- Fully compatible with 3300 XL monitoring systems
- Long cable design for flexible installation
- Supports continuous machinery monitoring
- Reliable signal conditioning output
Technical FAQs
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.
Conclusion
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.