Bently Nevada 330101-00-25-05-01-05 3300 XL 8mm Proximity Probe

Product Highlight: 330101-00-25-05-01-05 Overview

• This probe measures shaft vibration with stable proximity sensing in rotating machinery.
• Bently Nevada designs this model for strong durability and repeatable signal output.

Manufacturer and Probe Category

• Brand: Bently Nevada
• Part Number: 330101-00-25-05-01-05
• Product Family: 3300 XL 8mm Proximity Probe
• Origin: Made in U.S.A
• Thread Style: 3/8-24 UNF, without armor

Part Code Layout (Fresh Indented Tree)

• 330101 Base:
  • → 3300 XL 8mm Probe
  • → 8 mm rugged body, non-armored configuration
• Code Branch:
  • 00 → Unthreaded length: 0 in
  • 25 → Case length: 2.5 in compact housing fit
  • 05 → Total length: 0.5 m (1.6 ft)
  • 01 → Miniature ClickLoc connector + protector, standard cable
  • 05 → Approvals: CSA, ATEX, IECEx

Electrical and Signal Performance

• Nominal Probe DC Resistance: 7.45 Ω ± 0.50 (0.5 m probe)
• Extension Cable Capacitance: 69.9 pF/m typical
• Linear Range: 2 mm (80 mils) for vibration measurement
• Usable Range Window: 0.25 mm to 2.3 mm (10 to 90 mils)
• Recommended Gap Setting: -9 Vdc at 1.27 mm (50 mils)
• Scale Factor: 7.87 V/mm (200 mV/mil) ± 5%
• Deviation from Linearity: Less than ±0.025 mm (±1 mil)

Mechanical Strength and Materials

• Probe Tip Material: PPS molded plastic for rugged coil protection
• Probe Case Material: AISI 303 or 304 stainless steel
• Cable Pull Strength: 330 N (75 lbf) with CableLoc retention
• Thread Engagement Limit: 0.563 in maximum safe depth
• Weight: 323 g/m (11.4 oz)

Design Features That Improve Reliability

• TipLoc molding creates a stronger bond between tip and probe body.
• CableLoc design reduces cable pull-out during maintenance work.
• 8 mm diameter provides better resistance to physical abuse.
• Optional FluidLoc cable helps stop oil leaks through cable paths.

Environmental Limits and Temperature Range

• Standard Probe Range: -52°C to +177°C (-62°F to +350°F)
• Extended Tip Range: Up to +218°C (+425°F)
• Cable and Connector Range: Up to +260°C (+500°F)
• Humidity Stability: Less than 3% ASF change at 93% humidity
• Seal Note: Temperatures below -34°C may reduce pressure seal life.

Package, Warranty, and Delivery

• 1 × Bently Nevada 330101-00-25-05-01-05 Proximity Probe
• 1 × Standard cable with ClickLoc connector protector
• 1 × Integrated Viton O-ring sealing assembly
• Warranty: 12 months
• Shipping Methods: FedEx, UPS, DHL

FAQ: Practical Engineering Guidance

• Question:
  Why should I choose an 8 mm probe instead of a smaller size?
• Answer:
  The thicker probe body handles abuse better in heavy industrial installations.
• Question:
  What makes TipLoc molding important for long service life?
• Answer:
  TipLoc improves bonding strength and reduces tip damage under vibration stress.
• Question:
  How do I select the correct cable length for my monitor setup?
• Answer:
  Shorter cables reduce signal rolloff, but long runs may need system review.
• Question:
  When should I consider FluidLoc cable options?
• Answer:
  FluidLoc works best in oil-filled machines where leaks can travel through cables.
• Question:
  What installation detail prevents thread damage during mounting?
• Answer:
  Keep thread engagement below 0.563 in and avoid over-tightening the probe.

Contact Information

• Email: info@oiltechcontrols.com
• WhatsApp: +86 158 8020 0923

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