Name: 330172-12-23-10-01-05 Bently Nevada 5mm Proximity Probe | 3300 Series Armored
SKU: 330172-12-23-10-01-05
Availability: InStock

Product details

330172-12-23-10-01-05 is a 5mm proximity probe from Bently Nevada 3300 Series.
- Made in U.S.A. with premium materials.
- Thread size: 1/4-28 UNF for standard mounting.
- Comes with armor cable protection for tough jobs.
- Probe tip: PPS (Polyphenylene sulfide) resists heat and chemicals.
- Case material: AISI 304 stainless steel.
- Works from -35°C to +177°C (-31°F to +351°F).

General Identification
- Manufacturer: Bently Nevada
  - Series: 3300 Series
    - Model: 330172-12-23-10-01-05
      - Type: 5mm Proximity Probe
      - Made in: U.S.A.
Mechanical Dimensions
- Unthreaded Length: 12 = 1.2 inches
  - Overall Case Length: 23 = 2.3 inches
    - Total Cable Length: 10 = 1.0 meter (3.3 feet)
      - Thread Size: 1/4-28 UNF
        Max Thread Engagement: 0.375 inches
Materials & Build
- Tip Material: Polyphenylene sulfide (PPS)
  - Case Material: AISI 304 stainless steel (SST)
    - Cable Type: 75Ω triaxial, FEP insulated
      - Connector: Miniature coaxial ClickLoc with protector
        Connector Material: Gold-plated brass or beryllium copper
        Agency Approval: 05 = Multiple Approvals
Electrical Specifications
- Power Required: -17.5 Vdc to -26 Vdc at 12mA max
  - Sensitivity: < 2 mV change per volt change
    - Output Resistance: 50 Ω
      - Probe DC Resistance (1.0m): 7.59 ± 0.50 Ω
Environmental & Ratings
- Probe Temperature Range: -35°C to +177°C (-31°F to +351°F)
  - Minimum Cable Bend Radius: 25.4 mm (1.0 inch)
    - Tensile Strength: 222 N (50 lbf)
      - Recommended Case Torque: 5.1 N·m (45 in·lb)
        Max Case Torque: 7.3 N·m (65 in·lb)
Physical Attributes
- Weight: 0.323 kg

“Best all-around probe for global machine monitoring.”
- Senior Reliability Engineer comment
Multiple approvals save paperwork for export.
- One probe works in many countries
2.3 inch case length fits deeper mounting holes.
- Good for thick machine casings
Armor cable survives heavy vibration areas.
- No cable breakage after years of use
ClickLoc connector is field-proven reliable.
- Thousands installed with zero failures

330191-40-75-15-05
- ATEX certified for hazardous areas
- Longer 1.5m cable
- View details →
330191-40-75-15-00
- 7.5 inch case length for very thick walls
- 1.5m cable without armor
- View details →
Why choose 330172-12-23-10-01-05?
- Has armor cable + multiple approvals
- 1.2 inch unthreaded length fits most machines
- 2.3 inch case for medium depth mounting

What does “multiple approvals” mean for me?
- It means the probe meets safety standards for many regions.
- Works in Europe, North America, and Asia without extra certification.
- Saves time and money on compliance.
Can I cut the cable to make it shorter?
- No, cutting changes the 75Ω impedance.
- You will get wrong voltage readings.
- Order the correct length from the start.
What is the difference between unthreaded and case length?
- Unthreaded length is smooth tip section before threads.
- Case length is total threaded body length.
- Both affect how deep the probe sits in the hole.
How do I know if I need armor cable?
- Use armor if cable rubs against machine parts.
- Use armor if cable is in high vibration areas.
- No armor is fine for clean, still environments.
What is the warranty and shipping?
- 12-month warranty covers defects.
- We ship within 12-24 hours after order.
- Carriers: FedEx, UPS, DHL with tracking.

Measure your mounting hole depth first.
- Case length 2.3 inches needs at least 2.5 inch hole.
- Too short a hole will not fit the probe.
Match cable length to your proximitor.
- Each Bently proximitor is calibrated for a specific cable length.
- Using wrong length gives wrong gap readings.
Do not exceed 0.375 inch thread engagement.
- Too deep can crush the probe tip.
- Use a stop collar or depth gauge.
Keep spare ClickLoc connectors in stock.
- Connectors can wear after many connects/disconnects.
- Spare saves downtime during maintenance.
Check temperature rating for your machine.
- For T4 rating, max ambient is 80°C.
- For T1 rating, max ambient is 232°C.
- See temperature schedule table above.

Specifications

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