Bently Nevada 330703-000-040-50-11-00 Product Overview

This high-performance 11 mm Proximity Probes forms the front end of a 5-meter system. It works exclusively with the matching 5-meter Proximitor® Sensor. The probe features a rugged, corrosion-resistant design for continuous operation in harsh conditions.

• Manufacturer designs the probe for non-contact vibration and displacement monitoring of rotating shafts.
• It uses advanced FluidLoc cable and a miniature coaxial ClickLoc™ connector for secure field installation.
• A PPS (Polyphenylene sulfide) probe tip provides excellent chemical resistance and durability.
• The AISI 304 stainless steel case withstands high torque up to 63.3 N•m maximum.
• This model operates reliably in temperatures from -52°C to +177°C.

Complete Ordering Information & Suffix

We break down the part number 330703-000-040-50-11-00 to show you exactly what each segment means. This ensures you select the correct configuration for your application.

• Model: 330703 - Base model: 3300 XL 11 mm probe, M14 x 1.5 thread, without armor.
• Unthreaded Length Option: 000 - 00 mm (standard, no unthreaded extension).
• Overall Case Length Option: 040 - 40.0 mm case length.
• Total Length Option: 50 - 5.0 meters (16.4 feet) total cable length.
• Connector and Cable Type Option: 11 - Miniature coaxial ClickLoc™ connector with protector, FluidLoc cable.
• Agency Approval Option: 00 - Not required (standard offering).

Technical Specifications

Below are the precise engineering details for the 330703-000-040-50-11-00. These specs confirm its suitability for your predictive maintenance and protection systems.

• Brand: Bently Nevada.
• Model Number: 330703-000-040-50-11-00.
• Probe DC Resistance (5.0m length): 7.2 ± 0.8 ohms from center to outer conductor.
• Magnetic Field Rejection (60 Hz up to 300 Gauss): Output voltage at 0.5 mm gap: 0.001 mil pp/gauss; at 2.5 mm gap: 0.009 mil pp/gauss; at 4.6 mm gap: 0.027 mil pp/gauss.
• Probe Case Material: AISI 304 stainless steel (SST).
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Cable Specification: 75 Ω triaxial, FEP insulated, 5.0 meters.
• Probe Case Thread: M14 x 1.5, maximum thread engagement 21 mm.
• Torque Specification (M14x1.5): Recommended 21.1 N•m (187 in•lb), maximum rated 63.3 N•m (560 in•lb).
• Temperature Range (Operating/Storage): -52°C to +177°C (-62°F to +351°F).
• Temperature Classification (Ambient Probe Only): Meets T2 class up to +177°C for EPL Ga/Gc.

Frequently Asked Questions (FAQ)

Here are answers to common questions about this 3300 XL 11 mm Proximity Probes system.

• Q: Can I use this 5-meter probe with a standard 9-meter Proximitor?
  A: No. This 5.0-meter probe requires a 5-meter Proximitor® Sensor for correct calibration and performance.
• Q: What is the purpose of the FluidLoc cable?
  A: FluidLoc cable resists fluid absorption, preventing measurement errors caused by changes in cable capacitance or dielectric properties in wet environments.
• Q: Is the connector removable?
  A: The miniature coaxial ClickLoc™ connector provides a rugged, secure connection. It is designed for reliable field use, not for repeated removal.
• Q: What does the '00' agency approval option signify?
  A: It means this specific part number comes without a specific agency approval marking, representing the standard, non-certified version.
• Q: How does the probe resist magnetic field interference?
  A: The design includes shielding that limits output voltage variation to as low as 0.001 mil pp/gauss in strong 60 Hz magnetic fields up to 300 Gauss.

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