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Product Overview
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
| Parameter | Specification |
|---|---|
| Model | 330104-00-25-05-02-00 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Sensing Technology | Eddy current, non-contact |
| Probe Tip Diameter | 8 mm |
| Probe Tip Material | PPS (Polyphenylene sulfide) |
| Thread Size | 3/8-24 UNF |
| Total Length | 0.5 meter |
| Cable Armor | Armored |
| Connector Type | Miniature coaxial connector |
| Target Material | 4140 steel (factory calibrated) |
| Measurement Range | 2 mm (80 mils), linear range |
| Scale Factor | 200 mV/mil (7.87 mV/μm) nominal |
| System Linear Range | 80 mils (2.0 mm) |
| Non-Linearity | ≤ ±0.75% of full scale (typical) |
| Frequency Response | 0 Hz to 10 kHz (±3 dB) |
| Operating Temperature (Probe) | -51 °C to +177 °C |
| Operating Temperature (System) | -35 °C to +120 °C |
| Humidity | 100% condensing, fully sealed |
| Shock / Vibration Tolerance | 10 g @ 10-2,000 Hz |
| Pressure Rating | 5 bar (sealed probe tip) |
| Certifications | CE, ATEX Zone 2, CSA, IECEx |
| Weight | 0.161 kg |
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)
-
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. -
What is the cable length of this model?
0.5 meter, armored cable. -
Does it require recalibration during service life?
No — it is factory calibrated and designed for maintenance-free operation. -
What hazardous area certifications does it hold?
CE, ATEX Zone 2, CSA, IECEx. -
What is the measurement range of this proximity probe?
80 mils (2.0 mm) linear range. -
What makes the armored version different?
The armored cable provides superior mechanical protection in harsh environments. -
Is this model compatible with older Bently Nevada systems?
Yes — it works with both 3300 XL Proximitor Sensors and compatible legacy systems. -
What materials is the probe tip made from?
High-performance PPS (Polyphenylene sulfide) plastic. -
How accurate is the output signal?
200 mV/mil with ≤ ±0.75% non-linearity. -
Can this probe be used in high vibration areas?
Yes — tested for 10 g @ 10-2000 Hz vibration tolerance.
Related Models from the Same Series or Category
| Model | Product Type | Cable Length | Armor Type | Dimensions & Weight |
|---|---|---|---|---|
| 330104-00-25-05-02-00 | 3300 XL 8 mm Probe | 25 ft (7.62 m) | Armored | 8 mm tip, ~0.65 kg |
| 330104-00-24-10-02-00 | 3300 XL 8 mm Probe | 24 ft (7.32 m) | Non-armored | 8 mm tip, ~0.60 kg |
| 330104-00-22-10-02-05 | 3300 XL 8 mm Probe | 22 ft (6.71 m) | Non-armored | 8 mm tip, ~0.58 kg |
| 330104-00-20-10-02-00 | 3300 XL 8 mm Probe | 20 ft (6.10 m) | Non-armored | 8 mm tip, ~0.57 kg |
| 330104-00-15-10-01-CN | 3300 XL 8 mm Probe | 15 ft (4.57 m) | Non-armored | 8 mm tip, ~0.50 kg |
| 330104-00-10-10-01-CN | 3300 XL 8 mm Probe | 10 ft (3.05 m) | Non-armored | 8 mm tip, ~0.45 kg |
Popular Models from Bently Nevada Product Line
| Model | Product Type | Application Area | Dimensions & Weight |
|---|---|---|---|
| 3500/22M | Transient Data Interface Module | Machine Protection Systems | ~0.80 kg |
| 3500/42M | Proximitor/Seismic Monitor | Shaft vibration, bearing wear | ~1.20 kg |
| 3500/33 | RTD/TC Temperature Monitor | Motor winding / bearing temp | ~1.10 kg |
| 330130-040-00-00 | 3300 XL 8 mm Extension Cable | Drives matching probes | ~0.30 kg |
| 330180-50-00 | 3300 XL Proximitor Sensor | Drives 3300 XL 8 mm probes | ~0.50 kg |
| 3500/15 | Power Supply Module | 3500 Series Rack | ~1.50 kg |
