Advanced 5 mm Proximity Probe for Precision Rotating Equipment Monitoring
The Bently Nevada 330171-00-40-05-02-05 3300 5 mm Proximity Probe is a high-accuracy eddy-current sensor designed for the 3300 5 mm Proximity Transducer System. Built for continuous, non-contact monitoring of shaft vibration, radial displacement, and shaft position, this probe provides dependable performance for mission-critical rotating machinery operating in harsh industrial environments.
Featuring a 1/4-28 UNF threaded probe without armor, a 4.0-inch overall case length, a 0.5-meter integral triaxial cable, a Miniature ClickLoc® connector, and Multiple Agency Approvals, this model is ideal for applications requiring extended probe reach, compact cable routing, and certified installation.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330171-00-40-05-02-05 |
| Product Type | 3300 5 mm Proximity Probe |
| Series | 3300 5 mm Proximity Transducer System |
| Sensing Technology | Eddy-current, non-contact measurement |
| Thread Type | 1/4-28 UNF |
| Armor | Without armor |
| Unthreaded Length | 00 = 0.0 in |
| Overall Case Length | 40 = 4.0 in (101.6 mm) |
| Integral Cable Length | 05 = 0.5 m (1.6 ft) |
| Connector Option | 02 – Miniature coaxial ClickLoc® connector |
| Agency Approval | 05 – Multiple Approvals |
| Probe Cable | 75 Ω FEP-insulated triaxial cable |
| Probe Housing | AISI 303/304 Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Tensile Strength | 222 N (50 lbf) |
| Operating Temperature | -35°C to +177°C |
| Minimum Bend Radius | 25.4 mm (1 in) |
| Approximate Dimensions | Probe body: 101.6 mm; Cable: 0.5 m |
| Approximate Weight | 0.255 kg |
| Shipping Weight | Approx. 1.5–2.0 kg |
Typical Applications
| Industry | Typical Equipment |
|---|
| Oil & Gas | Compressors, gas turbines, centrifugal pumps |
| Power Generation | Steam turbines, generators |
| Petrochemical | Process compressors, turbo expanders |
| Mining | Crushers, mills, heavy-duty rotating equipment |
| Marine | Propulsion systems and auxiliary machinery |
| Manufacturing | Electric motors, fans, blowers, gearboxes |
Common applications include:
-
Shaft vibration monitoring
-
Radial shaft displacement measurement
-
Rotor position monitoring
-
Bearing condition diagnostics
-
Machinery protection systems
-
Predictive maintenance programs
Performance Benefits
Extended 4.0-Inch Probe Body
The 4.0-inch overall case length provides additional installation flexibility for machinery requiring deeper mounting locations while maintaining excellent sensing accuracy and mechanical stability.
High-Precision Eddy-Current Technology
The probe delivers stable and repeatable measurements without physical contact, helping reduce mechanical wear while improving the accuracy of machinery health monitoring.
Rugged Construction for Industrial Reliability
Manufactured with a corrosion-resistant AISI 303/304 stainless steel housing and a durable PPS probe tip, the sensor is engineered for long service life in demanding industrial environments.
Secure ClickLoc® Connector Design
The Miniature ClickLoc® connector provides a dependable electrical connection, enabling faster installation while reducing the risk of connector loosening caused by continuous machine vibration.
Multiple International Certifications
The 05 approval option supports Multiple Agency Approvals, making this probe suitable for installations requiring internationally recognized hazardous-area certifications.
Optimized for Complete System Integration
Designed specifically for the 3300 5 mm Proximity Transducer System, this probe maintains factory-calibrated performance when used with compatible extension cables and Proximitor® Sensors.
Technical FAQs
1. What is the primary function of this probe?
It provides non-contact measurement of shaft vibration, shaft position, and radial displacement in rotating machinery.
2. What does the "40" configuration indicate?
It specifies an overall probe case length of 4.0 inches (101.6 mm).
3. How long is the integral cable?
The 05 option includes a 0.5-meter (1.6 ft) triaxial cable.
4. Which connector does this model use?
It is equipped with a Miniature coaxial ClickLoc® connector with the standard cable configuration.
5. What does the "05" approval option mean?
It identifies the Multiple Approvals version, suitable for global industrial and hazardous-area applications.
6. Can this probe operate independently?
No. It is designed to function together with a compatible 3300 XL Extension Cable and 3300 XL Proximitor® Sensor as a complete transducer system.
7. What materials are used in the probe?
The housing is manufactured from AISI 303/304 stainless steel, while the sensing tip uses Polyphenylene Sulfide (PPS) for excellent durability and thermal stability.
8. What is the operating temperature range?
The probe is rated for continuous operation from -35°C to +177°C.
9. Which industries commonly install this model?
It is widely used in oil & gas, petrochemical, power generation, mining, marine, and industrial manufacturing facilities.
10. Why choose this configuration?
Its 4.0-inch probe body, 0.5-meter cable, Multiple Agency Approvals, rugged stainless steel construction, and compatibility with the 3300 5 mm Proximity Transducer System make it an excellent solution for accurate long-term machinery condition monitoring.
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