I. Basic Product Information
Brand: Bently Nevada (a subsidiary of Baker Hughes)
Full Model Number: 330903-00-11-05-02-05
Product Series: 3300 XL NSv 11mm Narrow Field of View Electromagnetic Induction Proximity Sensor (Probe + Integrated Shielded Cable)
Standard Compliance: API 670 Rotating Machinery Protection Specification, Imported from the Original Factory in the United States
Compatible Accessories: 330180 Series 11mm Special Preamplifier, Can be Connected to the 3500 Unit Vibration Monitoring Protection System
Detailed Analysis of Model Segmentation
330903-00-11-05-02-05
330903: 11mm Probe Head, M8×1 Metric Fine Thread Installation Thread, Non-armored Shielded Cable NSv Narrow Field of View Series Probe, Suitable for Small Diameter Shaft Monitoring Scenarios
00: No exposed thread length at the probe end, the thread starts directly from the probe end face
11: Total Length of the Probe Metal Shell 110mm (Long Shell), Suitable for Deep Hole Bearing Seats, Narrow and Sealed Cavity Depth Installation Conditions
05: The Probe Comes with an Integrated Shielded Cable Total Length of 0.5 meters
02: ClickLoc Micro Quick Lock Coaxial Connector, Standard Industrial Shielded Cable with Connector Protection Shell
05: Has UL, CSA, ATEX, IECEx Multi-Region Intrinsically Safe Certification, Can be Used in Hazardous Explosion-proof Areas in Oil, Chemical, etc.
Core Electrical Performance Parameters
Probe Head Diameter: 11mm
Linear Measurement Range: 0 – 4mm (0 – 160mil)
Standard Sensitivity: 3.94 V/mm (100 mV/mil)
Preamplifier Power Supply Voltage: -17.5VDC ~ -26VDC
Operating Temperature: -35℃ ~ +175℃; Storage Temperature: -55℃ ~ +175℃
Installation Thread Specification: M8×1 Metric Fine Thread
Cable Structure: Double-layer Shielded Coaxial Cable, Anti-electromagnetic interference, Resistant to Lubricating Oil Corrosion
Main Functional Applications
Non-contact precise measurement of radial shaft vibration, axial displacement, shaft runout, rotor eccentricity, and differential expansion of rotating equipment
Can be used as a phase detector to collect rotational speed and phase synchronization pulse signals, for rotor fault spectrum analysis
Convert mechanical clearance into standard voltage signals and upload them to the 3500 Monitoring Module to achieve vibration over-limit alarm and unit interlock shutdown protection
Online status monitoring, fault diagnosis, and predictive maintenance data collection for large rotating equipment
Structural and Environmental Advantages
11mm Large-sized Probe, Wide Measurement Linear Range, Suitable for Small Diameter Shafts, Narrow Installation Space (NSv Narrow Field of View Design)
110mm Extended Shell, Solves the problem of probe installation不到位 and measurement deviation in deep installation hole positions
The probe end uses high-temperature PPS insulating material， resistant to oil contamination， water vapor， and dust harsh conditions
Intrinsically Safe Certification， Meets the usage specifications of explosion-proof areas in chemical， oil and gas， and power plants， Excellent EMI/RFI Anti-interference Performance
Typical Application Scenarios
Thermal power plants， hydropower plants， steam turbine generator sets in thermal power plants， induced draft fans， feedwater pumps shaft systems vibration and displacement protection
Petroleum chemical， coal chemical centrifugal compressors， booster compressors， steam turbine safety status monitoring systems
Metallurgy， cement， mining large motors， blowers， reciprocating unit equipment fault online monitoring
Bently 3500 Monitoring System Original Factory Spare Parts Replacement， Aging Unit Automation Technical Upgrade
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