BENYTLY 330180-91-05 Proximitor Sensor

Description

BENYTLY 330180-91-05 Proximitor Sensor

Product Dimensions：

The Bently Nevada 330180-91-05 is a signal-conditioning Proximitor Sensor belonging to the 3300 XL 8 mm Proximity Transducer System. It processes eddy current measurements from a proximity probe to monitor shaft vibration, position, and speed on critical rotating machinery.

Detailed Part Number Breakdown

The model code 330180-91-05 defines the following factory configurations:

• 330180: 3300 XL Proximitor Sensor (Base Series)
• -91 (Total System Length & Mounting Option): 9.0 meters total system length, DIN rail mountable.
• -05 (Agency Approval Option): Multiple approvals (CSA, ATEX, IECEx intrinsic safety and non-incendive ratings for hazardous areas).

Technical Specifications

Key Advantages

• Extended Linear Range: Provides reliable measurements even across thermal growth shifts or shaft position offsets.
• Interchangeability: Components (probe, extension cable, Proximitor) can be swapped individually without recalibration as long as total system electrical length matches.
• RFI/EMI Immunity: Meets stringent European CE standards for electromagnetic compatibility, reducing false alarms from electrical noise.
• Multi-Hazardous Approvals: The -05 approval option allows installation in hazardous Class I, Div 1 / Zone 0 locations when paired with appropriate safety barriers.

Important Precautions & Considerations

• Strict Length Matching: The -91 code specifies a 9.0-meter system length. You must pair this unit with a probe and extension cable combination that totals exactly 9.0 meters (e.g., 1.0 m probe + 8.0 m extension cable). Mismatched lengths lead to severe scale-factor errors.
• Electrical Isolation: Ensure the Proximitor housing is insulated from cabinet metal if ground loops are present, or use the integrated DIN-rail clip designed to isolate the housing ground.
• Cable Bend Radius: Do not exceed the minimum cable bend radius (25.4 mm / 1.0 in for standard cables) during installation to prevent damage to the internal coaxial shield.
• Target Material Check: Standard calibration is optimized for AISI 4140 steel. Using other shaft materials (e.g., stainless steel or monel) requires custom scale-factor adjustments in the monitoring system.

Typical Applications

• Turbinery Protection: Radial vibration and axial thrust position monitoring on steam and gas turbines.
• Compressors & Pumps: Continuous health monitoring on high-speed centrifugal compressors and boiler feed pumps.
• Keyphasor / Speed Sensing: Providing phase-reference signals for machinery diagnostic systems (such as Bently Nevada 3500/42M modules or System 1 software).

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