The Bently Nevada 330104-00-25-05-02-00 3300 XL 8 mm Proximity Probe is an advanced eddy current displacement sensor, engineered to monitor shaft vibration, axial thrust, and position on critical rotating equipment. It belongs to the highly regarded 3300 XL Series — the global benchmark for reliability and performance in proximity sensing.

This particular version features a 0.5 meter probe cable length, armored construction for added protection, and a high-performance 8 mm sensing tip. Designed for seamless integration with 3300 XL Proximitor Sensors and extension cables, this probe ensures highly accurate, stable outputs across a wide temperature and vibration range.

Ideal for use in harsh industrial environments, the 330104-00-25-05-02-00 proximity probe delivers consistent data for machinery protection and condition monitoring systems found in oil & gas, power generation, chemical plants, refineries, and heavy industry.

Product Specifications

Applications

The 330104-00-25-05-02-00 proximity probe is ideal for monitoring a wide range of critical rotating equipment, including:

• Gas Turbines

  For precise measurement of rotor vibration and thrust movement.

• Steam Turbines

  Ensures safe operation through continuous axial position monitoring.

• Centrifugal and Reciprocating Compressors

  Detects imbalance, misalignment, and excessive shaft motion.

• Industrial Motors

  Used to track bearing health and rotor dynamics.

• Large Industrial Pumps

  Prevents mechanical failure through early vibration detection.

• Fans, Blowers, and Gearboxes

  Monitors stability, balance, and bearing condition.

• Oil & Gas, Petrochemical, Power Generation, and Refinery Equipment

  Integral part of asset protection in mission-critical machinery.

Product Advantages

• Industry-Leading Accuracy

  Delivers linear, repeatable measurement of shaft position and vibration.

• Rugged Armored Construction

  Offers maximum cable protection in harsh industrial environments.

• Certified for Hazardous Areas

  ATEX Zone 2, CSA, IECEx certified for safe use in explosive atmospheres.

• Broad Temperature Range

  Functions reliably from -51 °C to +177 °C at the probe tip.

• Long-Term Stability

  Minimal signal drift and consistent output across years of service.

• Seamless Integration

  Works with 3300 XL Proximitor Sensors and compatible legacy Bently Nevada systems.

• No Calibration Required

  Factory calibrated and ready for long-term field operation.

• Humidity and Shock Resistant

  Designed for full performance in harsh, vibration-prone environments.

• Global Proven Track Record

  Thousands of installations worldwide across demanding industries.

• Optimized for Critical Rotating Machinery

  Protects valuable assets by preventing unplanned failures.

Frequently Asked Questions (FAQ)

1. What type of equipment is this proximity probe used on?

   It is used on turbines, compressors, motors, pumps, fans, gearboxes, and other critical rotating machines.

2. What is the cable length of this model?

   0.5 meter, armored cable.

3. Does it require recalibration during service life?

   No — it is factory calibrated and designed for maintenance-free operation.

4. What hazardous area certifications does it hold?

   CE, ATEX Zone 2, CSA, IECEx.

5. What is the measurement range of this proximity probe?

   80 mils (2.0 mm) linear range.

6. What makes the armored version different?

   The armored cable provides superior mechanical protection in harsh environments.

7. Is this model compatible with older Bently Nevada systems?

   Yes — it works with both 3300 XL Proximitor Sensors and compatible legacy systems.

8. What materials is the probe tip made from?

   High-performance PPS (Polyphenylene sulfide) plastic.

9. How accurate is the output signal?

   200 mV/mil with ≤ ±0.75% non-linearity.

10. Can this probe be used in high vibration areas?

    Yes — tested for 10 g @ 10-2000 Hz vibration tolerance.