Introduction
The Bently Nevada 330173-00-07-10-02-05 is a 3300 5 mm Proximity Probe designed for non-contact measurement of shaft position and dynamic movement in rotating machinery. It belongs to the 330173 probe family, which uses an M8 × 1 metric mounting thread and an unarmored construction. The 3300 5 mm transducer system is intended to work with compatible extension cables and Proximitor sensors to provide measurements of static position and dynamic vibration.
This particular configuration is distinguished by its 0.0 mm unthreaded-length option, 70 mm overall case length, 1.0-meter cable, miniature coaxial ClickLoc connector with standard cable, and multiple-approval configuration.
The 70 mm body makes this version especially relevant when the existing installation requires a longer probe configuration. For replacement work, matching the complete part number is important because the probe's thread, body length, cable arrangement, and approval configuration all influence compatibility.
Technical Specifications
The 330173 series is the M8 × 1, without-armor configuration within the 3300 5 mm probe family. The complete ordering code defines the specific mechanical and electrical configuration of the probe.
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model | 330173-00-07-10-02-05 |
| Product Type | 3300 5 mm Proximity Probe |
| Sensing Principle | Eddy-current, non-contact |
| Probe Family | 3300 5 mm |
| Base Model | 330173 |
| Mounting Thread | M8 × 1 |
| Construction | Without armor |
| Unthreaded Length Option | 0.0 mm |
| Overall Case Length | 70 mm (2.76 in) |
| Total Cable Length | 1.0 m (3.3 ft) |
| Connector | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable |
| Cable Impedance | 75 Ω |
| Probe Tip Diameter | 5.2 mm (0.21 in) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 304 stainless steel |
| Probe Temperature Range | Approximately -35°C to +177°C |
| Minimum Cable Bend Radius | 25.4 mm (1.0 in) |
| Typical Probe Weight | Approximately 323 g |
| Agency Approval | Multiple approvals |
Applications
Turbine Shaft Monitoring
The probe can be integrated into appropriate turbine monitoring systems to measure shaft movement and position. Continuous measurements can help maintenance teams identify changes in rotor behavior and support machinery protection strategies.
Compressor Monitoring
High-speed compressors can benefit from continuous shaft-displacement measurements. The 3300 5 mm system provides a non-contact sensing method suitable for compatible rotating equipment.
Pump and Motor Condition Monitoring
The probe can be used on appropriate pumps, motors, and other rotating assets where vibration and shaft-position information is required. The M8 × 1 mounting arrangement is convenient for compatible metric installations.
Generator Monitoring
Generators and other critical rotating machines can incorporate proximity probes into their condition-monitoring architecture to observe rotor movement during operation.
Fluid-Film Bearing Machines
The 3300 5 mm system is particularly useful for machines with fluid-film bearings. When combined with a compatible Proximitor sensor and extension cable, the system can measure both static shaft position and dynamic vibration.
Keyphasor and Speed Applications
Suitable 3300 5 mm system configurations can also be used for Keyphasor and rotational-speed measurements, extending the probe's usefulness beyond conventional vibration monitoring.
Replacement and Maintenance Projects
The 70 mm body length makes this model a useful option for installations where shorter 330173 configurations do not provide the required mechanical geometry. Matching the original part number can help minimize changes to the existing mounting arrangement.
Advantages
Extended 70 mm Case
The 70 mm case length is the defining mechanical feature of this model. It provides a longer probe body than the 40 mm, 50 mm, and 60 mm configurations in the same 330173 family.
M8 × 1 Metric Mounting
The M8 × 1 thread makes this probe suitable for compatible metric mounting arrangements. It also clearly distinguishes the 330173 family from 330171 and 330172 probes using 1/4-28 UNF threads.
5.2 mm Sensing Tip
The compact 5.2 mm probe tip allows non-contact measurement in locations where installation space around the shaft can be limited.
Non-Contact Eddy-Current Measurement
The probe detects changes in the distance between the sensing tip and a conductive target without physical contact. This makes it suitable for continuous monitoring of rotating shafts.
1-Meter Standard Cable
The integrated 1.0-meter cable provides practical routing distance for many machinery installations while keeping cable management relatively simple.
ClickLoc Connector
The miniature coaxial ClickLoc connector provides a compact interface for compatible 3300 transducer-system components.
Multiple-Approval Configuration
The final 05 identifies the multiple-approval configuration. This can be particularly important when the probe is being specified for installations with defined certification requirements.
Durable Probe Construction
The 3300 5 mm design uses a PPS probe tip and stainless-steel probe case, providing a robust construction for demanding industrial machinery applications.
Exact-Part-Number Replacement
For maintenance teams, the value of this model is its specific combination of M8 × 1 thread, 70 mm case, 1.0 m cable, ClickLoc connector, and multiple approvals. Selecting by the complete ordering number is considerably safer than choosing a replacement based only on the 5 mm sensing diameter.
Technical FAQs
1. What is the Bently Nevada 330173-00-07-10-02-05?
It is a 3300 5 mm proximity probe with an M8 × 1 mounting thread, unarmored construction, 70 mm case length, 1.0-meter cable, miniature coaxial ClickLoc connector, and multiple-approval configuration.
2. What does the 330173 series represent?
The 330173 family represents the 3300 5 mm probe with an M8 × 1 thread and without armor.
3. What does the first “00” specify?
The first 00 identifies the 0.0 mm unthreaded-length option.
4. What does “07” mean?
The 07 specifies the 70 mm overall case-length option, approximately 2.76 inches.
5. How long is the cable?
The model uses a 1.0-meter (3.3-foot) total cable length.
6. What connector does the probe use?
The 02 configuration specifies a miniature coaxial ClickLoc connector with standard cable.
7. What does the final “05” mean?
The final 05 identifies the multiple-approval configuration. The specific certification requirements should be checked against the intended installation before ordering.
8. Is the probe armored?
No. The 330173 family is the M8 × 1, without-armor configuration. The related 330174 family is used for M8 × 1 probes with armor.
9. What is the approximate weight?
The commonly specified probe weight is approximately 323 g (0.323 kg / 11.4 oz). Shipping weight can be considerably higher because it includes packaging and other materials.
10. Can it replace a shorter 330173 probe?
Not automatically. The 70 mm case length, M8 × 1 thread, unthreaded section, cable length, connector configuration, and approval option should all match the requirements of the existing installation. The sensing diameter alone is not enough to establish interchangeability.
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