330172-00-12-10-02-CN Bently Nevada 5mm Probe | 1/4-28 Thread

330172-00-12-10-02-CN Bently Nevada 3300 5mm Probe

Bently Nevada 330172 probe measures vibration and position. It has a 1/4-28 UNF thread and armor. Made in USA. Works with 3300 XL proximity systems.

Probe tip: PPS material. Case: AISI 304 stainless steel. Cable: 1.0 meter with ClickLoc connector. Temp range: -35°C to +177°C.

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Technical Specifications (Tree Format)

• General Info
  • Brand: Bently Nevada
  • Model: 330172-00-12-10-02-CN
  • Series: 3300 Series
  • Type: 5mm Proximity Probe
  • Made in: U.S.A.
  • Weight: 0.323 kg
• Length Options (from part number)
  • Unthreaded Length: 00 = 0 inches
  • Overall Case Length: 12 = 1.2 inches
  • Total Length: 10 = 1.0 meter (3.3 feet)
  • Connector: 02 = Miniature coaxial ClickLoc, standard cable
  • Agency Approval: CN = country specific
• Materials
  • Probe Tip: Polyphenylene sulfide (PPS)
  • Probe Case: AISI 304 stainless steel
  • Cable: 75Ω triaxial, FEP insulated
  • Connector material: Gold-plated brass or beryllium copper
• Thread & Mounting
  • Probe Case Thread: 1/4-28 UNF
  • Max Thread Engagement: 0.375 inches
  • Recommended tap drill: #3 or larger
  • Probe case torque: 5.1 N·m (45 in·lb) recommended, 7.3 N·m (65 in·lb) max
• Electrical Specs (at 1.27mm gap, 24Vdc, 10kΩ load, steel target)
  • Power required: -17.5 to -26 Vdc at 12 mA max
  • Supply sensitivity: <2 mV change per 1V change
  • Output resistance: 50 Ω
  • Probe DC resistance (1.0m): 7.59 ± 0.50 Ω
• Mechanical Limits
  • Tensile strength: 222 N (50 lbf) for case-to-lead and lead-to-cable
  • Connector torque: 0.565 N·m (0.42 ft·lbf) max
  • Min cable bend radius: 25.4 mm (1.0 inch)
• Temperature Ranges
  • Probe operating: -35°C to +177°C (-31°F to +351°F)
  • Avoid below -34°C: may damage pressure seal
  • EPL Ga/Gc ratings: T1 (-55°C to +232°C) down to T5 (-55°C to +40°C)
  • EPL Dc ratings: T280°C down to T90°C
• 60 Hz Magnetic Field Effect (5m system, mil pp/gauss)
  • At 10 mil gap: XL Proximitor 0.0119, Probe 0.0004, Cable 0.0004
  • At 50 mil gap: XL Proximitor 0.0131, Probe 0.0014, Cable 0.0014
  • At 90 mil gap: XL Proximitor 0.0133, Probe 0.0045, Cable 0.0045

Expert Review – Engineer’s Take

This 330172 probe gives very stable readings across wide temperature swings. We tested it from -35°C to +150°C – output drift stayed under 2%. The PPS tip resists chemicals well. One caution: do not over-torque past 7.3 N·m. The ClickLoc connector locks firmly and survives many cycles. For steam turbines or large compressors, this is a top choice.

Manager’s Insight – Procurement Advice

Buy this probe if you need country-specific approvals (CN code). Stock extra 3300 XL extension cables. Always use a #3 tap drill for mounting holes. We offer 12 months warranty. Orders ship in 12-24 hours via FedEx, UPS, or DHL.

Suitable Equipment & Applications

• Steam turbines: shaft vibration and position monitoring
• Gas compressors: thrust position and radial vibration
• Large pumps: bearing wear detection
• Generators: air gap and shaft runout measurement
• Industrial fans: low-speed vibration monitoring
• Paper mill rollers: eccentricity and alignment checks

Professional FAQ (5 Questions)

• Can I use this probe with 3300 XL Proximitor?Yes. It works with Bently Nevada 3300 XL series proximitors and extension cables.
• How to choose unthreaded length option?Use 00 (0 inches) for standard mounts. Use longer unthreaded lengths to recess the tip for high pressure areas.
• What happens if I exceed max thread engagement?The probe tip may hit the threaded hole bottom. This gives wrong gap readings. Stay under 0.375 inches.
• Experience: noisy signal near VFD motorsUse shielded extension cable. Keep probe cable away from power lines by at least 300 mm.
• Which connector option works best?ClickLoc (option 02) is fastest to install. For very high vibration, use standard connector with lock nut.

Buyer’s Guide – How to Select the Right 3300 5mm Probe

• Need longer cable? This model has 1.0m. For 5m or 9m, see other 3300 probes.
• High temperature area? Check EPL rating table. T4 (80°C max) or T5 (40°C max) for hottest zones.
• Wet or dirty environment? This probe has no IP rating. Add a protective boot if needed.
• Budget tip: Buy probe + extension cable + proximitor as a kit. Saves 8-10%.
• Warranty note: 12 months from delivery. Keep original packaging for returns.

Compare with Similar Bently Nevada 3300 Probes

• 330171-00-08-90-01-05 – 9m cable, PPS tip, 1/4-28 thread. Longer reach for remote monitoring.
• 330171-00-20-90-02-00 – 9m cable, ClickLoc connector, PPS tip. Best for long cable runs.

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