Bently Nevada 3300 XL 8mm Probe: Extended Reach for Critical Monitoring

Product Identification & Configuration

This 3300 XL 8mm Probe has a specific suffix code detailing its construction:

• Manufacturer & Base Model: Bently Nevada 330101
• Full Suffix Breakdown:
  • -00: Unthreaded Length = 0.0 inch
  • -72: Overall Case Length = 7.2 inches
  • -20: Total Cable Length = 2.0 meters (6.6 feet)
  • -02: Miniature Coaxial ClickLoc Connector with Standard Cable
  • -CN: Country-Specific Configuration
• Thread: 3/8-24 UNF
• Armor: Without Armor
• Origin: Made in U.S.A.

Detailed Technical Specifications

• Brand: Bently Nevada
• Model: 330101-00-72-20-02-CN
• Type: 3300 XL 8 mm Proximity Probe
• Electrical Characteristics:
  • Nominal Probe Resistance (R_PROBE): 7.88 Ω ± 0.50 Ω (for 2.0m length)
  • Extension Cable Capacitance: 69.9 pF/m typical
• Measurement Performance:
  • Linear Range: 2.0 mm (80 mils), from 0.25 to 2.3 mm from target
  • Recommended Gap (Radial Vibration): 1.27 mm (50 mils) for -9 Vdc output
  • Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ±5% for 5/1m system
  • Deviation from Straight Line (DSL): < ±0.025 mm (±1 mil) for 5/1m system
• Mechanical & Material Construction:
  • Probe Tip Material: Polyphenylene Sulfide (PPS)
  • Probe Case Material: AISI 303 or 304 Stainless Steel
  • Cable Weight: Approximately 323 g/m (11.4 oz/ft)
• Environmental Ratings:
  • Standard Temp Range: -52°C to +177°C (-62°F to +350°F)
  • Extended Temp Range (ETR Probe Tip): Up to +218°C (+425°F)
  • Pressure Seal: Viton® O-ring for differential pressure (not factory tested)
  • Relative Humidity: <3% ASF change at 93% humidity (IEC 68-2-3)
• Installation Limits:
  • Max Thread Engagement: 0.563 inch
  • Recommended Case Torque: 11.2 N•m (100 in•lbf)

Frequently Asked Questions (FAQ)

• What is different about this probe model? It has a longer 7.2-inch case and a 2.0-meter integrated cable for extended reach applications.
• Is the probe pressure-proof? It has a sealing O-ring but is not pressure tested. Contact us for custom testing needs.
• What does the FluidLoc option do? It seals the cable interior to stop fluid migration from the machine casing.
• Can it be used in high-temperature areas? Yes, the Extended Temperature Range version handles up to 218°C (425°F) at the tip.

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