The Bently Nevada 330101-00-20-05-01-05 is an 8mm electromagnetic eddy current sensor probe. The following is a detailed introduction to this product:
I. Product Overview
Manufacturer: Bently Nevada (now a subsidiary of Baker Hughes).
Product Type: Electromagnetic eddy current sensor probe, mainly used for vibration monitoring and mechanical protection.
Application Fields: Widely used in large and medium-sized rotating machinery in industries such as power generation, chemical engineering, petroleum, and steel, such as steam turbines, water turbines, fans, compressors, air separation units, turbine expanders, electric motors and generators, excitation machines, gearboxes, pumps, etc.
Product Features
High Precision Measurement: Utilizing electromagnetic eddy current sensing technology, it can detect tiny vibration signals, such as bearing vibration.
Wide Measurement Range: Suitable for vibration monitoring of different amplitudes, meeting the needs of various industrial scenarios.
Strong Stability: Structurally sturdy, capable of stable operation in harsh industrial environments (such as high temperatures, corrosive environments).
Safe Design: Equipped with high-voltage protection, electromagnetic compatibility, etc., ensuring safety during use.
Easy Installation and Maintenance: The probe design is reasonable, facilitating installation and disassembly, reducing maintenance costs.
Technical Parameters
Probe Diameter: 8mm
Thread Specification: M10×1
Sensitivity: Radial vibration, axial displacement, eccentricity all 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil); Differential expansion 0.394 mV/μm (10 mV/mil) or 0.787 mV/μm (20 mV/mil).
Accuracy: ±0.33% of the full range for all frequencies and clearances; Maximum ±1% for the full range; ±0.33% for 1X & 2X full range; Maximum ±1%.
Frequency Response: 0-10kHz (specific models may vary).
Operating Temperature: Wide operating temperature range, ETR probes and cables can be used in higher temperature environments.
System Composition
The Bently Nevada 330103-00-04-10-02-05 probe is usually combined with the following components to form a complete vibration monitoring system:
Pre-amplifier: Receives signals from the probe and amplifies and processes them.
Extension cable: Used to connect the probe and the pre-amplifier to transmit signals.
Monitor: Such as the 3500/42M vibration monitor, used to display and analyze vibration data.

Application Scenarios
Steam turbine safety monitoring and protection system (TSI): Monitors parameters such as vibration and axial displacement of the steam turbine to ensure safe operation of the steam turbine.
Compressor vibration monitoring: Monitors the vibration of the compressor to prevent faults such as imbalance, misalignment, shaft cracks, and bearing damage.
Fan vibration monitoring: Optimizes the vibration parameters of the fan blades to improve operational efficiency.
Water pump vibration monitoring: Monitors the vibration of the water pump to ensure stable operation of the water pump.







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