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Product Overview
The Bently Nevada 330104-00-25-10-02-05 3300 XL 8 mm Proximity Probe is a high-precision eddy current displacement sensor, purpose-built for non-contact monitoring of shaft vibration, axial thrust, and shaft position on high-value rotating equipment.
Part of the trusted 3300 XL Series, this model offers outstanding measurement stability, rugged durability, and wide temperature tolerance. It features an 8 mm sensing tip with a 1 meter total length or flexible installation in a variety of industrial environments.
Designed for seamless operation with 3300 XL Proximitor Sensors and Bently Nevada monitoring systems, this probe is widely used for machinery protection in power generation, oil & gas, refining, petrochemical, and heavy industrial applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-25-10-02-05 |
| 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 | 1 meter |
| Cable Armor | Non-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 | 0.323 kg |
Applications
The 330104-00-25-10-02-05 proximity probe is designed for a wide range of industrial rotating machinery, including:
-
Gas Turbines
For accurate shaft vibration and axial thrust monitoring. -
Steam Turbines
Detects rotor movement and bearing wear in critical stages. -
Centrifugal Compressors
Measures imbalance, misalignment, or shaft dynamic motion. -
Reciprocating Compressors
Monitors rod drop, crosshead wear, and shaft behavior. -
Industrial Motors & Generators
Used for vibration monitoring and position tracking. -
Pumps, Fans, and Gearboxes
Essential for predictive maintenance of bearings and shafts. -
Power Generation and Oil & Gas
Core element of machinery protection systems for turbines and compressors.
Product Advantages
-
Exceptional Accuracy
200 mV/mil linear output for precise condition monitoring. -
Flexible Non-Armored Design
Lightweight and easier routing where armor is not needed. -
Wide Temperature Operation
Performs from -51 °C to +177 °C at probe tip. -
Excellent Vibration Resistance
Tolerant of 10 g across 10-2000 Hz vibration ranges. -
Hazardous Area Certification
CE, ATEX Zone 2, CSA, IECEx certified. -
Seamless Compatibility
Works perfectly with 3300 XL Proximitor Sensors and Bently Nevada systems. -
Reliable in Harsh Environments
100% humidity resistance, sealed construction. -
Minimal Maintenance
No recalibration needed; long-term stability. -
Proven Across Industries
Trusted worldwide for critical rotating equipment monitoring. -
Global Standard
Part of the most widely used proximity sensing platform in industry.
Frequently Asked Questions (FAQ)
-
What is the cable length of this probe?
1 meter, non-armored cable. -
Is this probe compatible with the 3300 XL Proximitor Sensor?
Yes — it is fully compatible with 3300 XL Proximitor Sensors. -
What is the primary function of this probe?
It measures shaft vibration, position, and axial thrust. -
Can it be used in hazardous environments?
Yes — it has CE, ATEX Zone 2, CSA, and IECEx certifications. -
What is the linear measurement range?
80 mils (2.0 mm). -
Does the probe require calibration after installation?
No — it is factory calibrated and ready for field use. -
What kind of targets is it calibrated for?
Typically 4140 steel shafts, matching factory calibration standards. -
What is the operating temperature of the probe tip?
From -51 °C to +177 °C. -
How is this model different from armored versions?
Non-armored cables offer greater flexibility in tight installations but less mechanical protection. -
What machinery benefits from this probe?
Turbines, compressors, motors, pumps, gearboxes — any critical rotating equipment.
Related Models from the Same Series or Category
| Model | Product Type | Cable Length | Armor Type | Dimensions & Weight |
|---|---|---|---|---|
| 330104-00-25-10-02-05 | 3300 XL 8 mm Probe | 25 ft (7.62 m) | Non-armored | 8 mm tip, ~0.62 kg |
| 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 |
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 |
