Bently Nevada 330878-90-05 50mm Proximitor Sensor 9m

Ordering Option Breakdown

The part number 330878-90-05 represents a Bently Nevada 3300 XL 50 mm Proximitor Sensor configured with the following options:

• Base Part Number (330878): 3300 XL 50 mm Proximitor Sensor built for maximum proximity measurement spans.
• Total Length & Mounting Option (-90): 9.0 meters (29.5 feet) total system length with a Panel Mount hardware configuration.
• Agency Approval Option (-05): Multi-agency hazardous area approvals (CSA, ATEX, IECEx).

Technical Specifications

• System Length: 9.0 meters (29.5 feet)
• Mounting Hardware: Panel Mount
• Linear Span: 27.9 mm (1100 mils)
• Nominal Scale Factor: -0.394 V/mm (-10 mV/mil)
• Power Supply Requirement: -17.5 Vdc to -26 Vdc (Nominal -24 Vdc)
• Hazardous Area Classifications: CSA, ATEX, IECEx Intrinsic Safety & Non-Incendive

Key Features & Applications

Designed for severe duty in power generation, oil & gas, and heavy manufacturing environments:

• Long-Distance Cabling: Engineered for 9.0-meter system length, enabling remote Proximitor mounting away from extreme machine temperatures.
• RFI / EMI Protection: Integrated shielding protects sensor electronics against electrical noise in high-power motor environments.
• Extreme Range Precision: Accurate non-contact measurement for large-gap industrial turbine expansion monitoring.

Installation Guide

1. Panel Installation: Mount the sensor housing using four screws onto the cabinet backplate.
2. Extension Cable Connection: Screw the 50 mm extension cable connector securely into the Proximitor input port.
3. Power Wiring: Wire the -24V power supply and signal wire to the designated terminal strip.
4. System Verification: Verify that the target material matches standard AISI 4140 steel or apply curve correction factors.

Selection Tips

• Mounting Space Check: Ensure adequate enclosure clearance for the 9.0-meter system length panel mount footprint.
• Approval Verification: The -05 code ensures full compatibility with international hazardous zone regulations (CSA, ATEX, IECEx).

Frequently Asked Questions (FAQ)

Q: Can the 330878-90-05 sensor replace older 7200 series 50 mm Proximitor sensors?
A: Yes, the 3300 XL 50 mm series is designed to upgrade and replace legacy 7200 series 50 mm systems, offering superior signal stability and RFI immunity.

Q: Is panel mounting hardware included with option code -90?
A: Yes, option code -90 supplies the Proximitor sensor housing prepared specifically for panel screw mounting.