330704-000-060-90-02-CN Bently Nevada 3300 XL 11mm Probe | New 330704

Product Overview

• The 330704-000-060-90-02-CN is a cornerstone of the Bently Nevada 3300 XL 11 mm series, engineered for high-precision displacement and vibration monitoring.
• This metric-threaded transducer system offers an extended linear range compared to standard 8mm systems, making it ideal for large-scale turbomachinery.
• Engineering teams should download the official technical datasheet and wiring manual to ensure impedance matching across the 9.0-meter signal path.

Configuration Breakdown & Logic Tree

• 330704 — Base Model: 3300 XL 11 mm Probe (M14 x 1.5 thread)
• • └── 000 — Unthreaded Length: 0 mm (Fully threaded case)
  • • └── 060 — Overall Case Length: 60.0 mm
    • • └── 90 — Total Length: 9.0 meters (29.5 feet)
      • • └── 02 — Miniature coaxial ClickLoc connector with standard cable
        • • └── CN — Agency Approval: Country Specific (China/Regional)

Technical Specifications

• Brand: Bently Nevada
• Model: 330704-000-060-90-02-CN
• Measurement Range: 4.0 mm (160 mils) for wide-gap applications.
• Sensitivity: 3.94 V/mm (100 mV/mil) ±10% at room temperature.
• Frequency Response: DC to 10 kHz; compatible with high-speed rotation.
• Temperature Range: -52°C to +177°C; maintains seal integrity above -34°C.
• Resistance: 8.5 ± 1.1 ohms (Center to outer conductor).
• Magnetic Interference: 0.001 to 0.027 mil pp/gauss (60 Hz up to 300 Gauss).
• Material: PPS tip with AISI 304 Stainless Steel probe body.

Oiltech Controls Limited’s Insight

• The 330704-000-060-90-02-CN provides a critical advantage in “hot” industrial environments where thermal expansion of the rotor is significant.
• Our field experience shows that the 11mm tip prevents “bottoming out” of the signal in machines with large axial floats.
• We recommend this specific 3300 XL configuration for retrofitting older DCS systems that require robust metric mounting without structural modifications.

Suitability & Diagnostic Capability

• Compatible Equipment: Large Steam Turbines, Hydro-generators, Centrifugal Compressors, and Boiler Feed Pumps.
• Diagnostic Power: Enables real-time tracking of Shaft centerline position, Orbit analysis, and Sub-synchronous vibration detection.

Logistics & Procurement

• Condition: Brand New & Original in Factory Sealed Packing.
• Warranty: Guaranteed 12-month factory coverage.
• Dispatch: Ships within 24-48 hours via FedEx, UPS, or DHL for global priority.

Professional FAQ & Selection Guide

• • Question: How do I choose between a 5-meter and a 9-meter total length?
  • Answer: Selection depends entirely on the Proximitor Sensor calibration. A 9-meter probe like the 330704 must be used with a 9-meter Proximitor to avoid linear error.

• • Question: Can I install this probe in a mounting hole with 1/2-20 threads?
  • Answer: No, the 330704 uses an M14 x 1.5 metric thread. For English threads, a different base model number is required.

• • Question: What is the risk of over-tightening the probe case?
  • Answer: Exceeding 63.3 N·m can deform the stainless steel case or damage the internal triaxial cable junction.

• • Question: Why is the “CN” approval suffix important for my project?
  • Answer: The CN suffix ensures compliance with specific regional safety and hazardous area certifications.

• Question: How does the PPS tip handle chemical exposure in turbines?
• Answer: PPS is highly resistant to synthetic lubricants, though physical impact during rotor rub remains the primary risk.

Contact Information Inquiries: info@oiltechcontrols.com, +86 158 8020 0923

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