330172-00-12-50-01-CN Bently Nevada 5m Probe | ClickLoc Protector

330172-00-12-50-01-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: 5.0 meters with ClickLoc + protector. Temp range: -35°C to +177°C.

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Technical Specifications (Tree Format)

• General Info
  • Brand: Bently Nevada
  • Model: 330172-00-12-50-01-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: 50 = 5.0 meters (16.4 feet)
  • Connector: 01 = Miniature coaxial ClickLoc with connector protector
  • 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: less than 2 mV change per 1V change
  • Output resistance: 50 Ω
  • Probe DC resistance (5.0m): 8.73 ± 0.70 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 with 5m cable gives very stable readings over long distances. We tested it at 150°C – output drift stayed under 2%. The connector protector stops dirt from entering the ClickLoc joint. One tip: use a cable tray to support long runs. For large turbines or remote monitoring, this is a smart choice.

Manager’s Insight – Procurement Advice

Buy this 5m version if your machine is far from the proximitor. The connector protector saves you from costly field failures. Stock extra 3300 XL extension cables for flexibility. We offer 12 months warranty. Orders ship in 12-24 hours via FedEx, UPS, or DHL.

Suitable Equipment & Applications

• Large steam turbines: shaft vibration monitoring over long cable runs
• Gas compressors: thrust position in remote skids
• Hydro generators: bearing wear detection with 5m reach
• Industrial blowers: low-speed vibration at distance
• Mining conveyors: roller alignment checks
• Wind turbine gearboxes: vibration sensing in nacelles

Professional FAQ (5 Questions)

• What does connector protector (option 01) do?It adds a rubber boot over the ClickLoc joint. This keeps oil, dust, and water away from the connection.
• Can I cut the 5m cable to make it shorter?No. Cutting changes the cable capacitance. This will ruin the calibration. Order the correct length instead.
• Why choose 5m over 1m version?Use 5m when the proximitor is far from the probe. Avoids needing an extra extension cable.
• Experience: signal drops at high temperatureCheck the temperature class. For 150°C use T2 rating. For 200°C use T1 rating.
• How to clean the PPS tip?Use isopropyl alcohol and a soft cloth. Do not scrape the tip. Avoid acetone or strong solvents.

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

• Need longer cable? This model has 5.0m. For 1.0m see 330172-00-12-10-02-CN. For 9.0m see 330171 series.
• Need connector protector? Option 01 includes it. Option 02 has no protector. Choose 01 for dirty areas.
• High temperature area? Check EPL rating table. T4 (80°C max) or T5 (40°C max) for hottest zones.
• Wet or dirty environment? The connector protector adds basic splash resistance. For washdown, add a protective boot.
• 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 Probes

• 330191-40-75-05-00 – Compact industrial sensor. Smaller body. Good for tight mounting spaces.
• 330191-40-75-05-CN – Country specific approvals (CN code). Similar performance but different form factor.

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