Product Overview
The 330850-51-CN is a compact eddy current proximity sensor within the Bentley Nevada 3300 XL series, specifically designed for precise shaft displacement and vibration measurement in heavy industrial machinery.
This model is optimized for short-range monitoring installations, delivering reliable measurements in confined spaces while maintaining compatibility with the 3300 XL Proximitor module. The CN suffix indicates compliance with regional standards for the Chinese market.
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Key Features
Probe diameter: Standard 11 mm design
Measurement Principle: Non-contact eddy current sensing
Frequency Response: Suitable for real-time vibration detection
Temperature Range: -40°C to +200°C
Housing: Rugged stainless steel construction for industrial-grade durability
Connector: Compatible with 3300 XL Series ClickLoc® system
Applications: Turbines, compressors, generators, pump equipment
Operational Description
The proximity sensor converts mechanical shaft movement into an analog electrical signal:
The proximity detection module powers the sensor via radio frequency signals.
The sensor generates a magnetic field near conductive targets.
Shaft movement alters eddy currents, producing a proportional voltage output.
The output signal is analyzed by the monitoring system to detect vibration, displacement, and Keyphasor® reference signals.
Specifications
| Parameter | Specification |
|---|---|
| Model Number | 330850-51-CN |
| Probe Diameter | 11 mm |
| Operating Principle | Eddy current non-contact measurement |
| Recommended Gap | 1–2 mm |
| Frequency Range | 0–8 kHz typical |
| Linear Output | Voltage proportional to displacement |
| Temperature Rating | –40 °C to +200 °C |
| Connector | ClickLoc® compatible |
| Housing Material | Stainless steel |
Product FAQ – 330850-51-CN
330850-51-CN
Q1: Can the 330850-51-CN probe be used with the 3300 XL module outside of China?
A: Yes, but the CN model designation indicates compliance with regional standards; electrical performance remains consistent.
Q2: What are typical application scenarios for this probe?
A: It is best suited for short-range shaft monitoring in turbines, pumps, compressors, or generators.
Q3: Does it require calibration after installation?
A: A standard commissioning check is recommended to verify the linear output relationship with shaft clearance.
Q4: How does it differ from the standard 11mm 3300 XL probe?
A: The 330850-51-CN is specifically optimized for compact installation spaces and regional compliance while maintaining sensitivity and frequency response performance.
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