Introduction
The Bently Nevada 330174-00-06-20-02-00 is a compact 3300 5mm Proximity Probe designed for non-contact measurement of shaft displacement, vibration, and rotor position in rotating machinery. The 330174 family uses an M8 × 1 mounting thread with armored construction, providing additional mechanical protection around the probe cable compared with the unarmored 330173 family.
This particular configuration combines a 0 mm unthreaded section, 60 mm overall case length, 2.0 m cable, and miniature coaxial ClickLoc connector with standard cable. The longer 2.0 m integral cable is the key difference from otherwise similar 60 mm configurations using a shorter cable.
The 3300 5mm system is designed to work with the appropriate extension cable and Proximitor Sensor as a complete transducer system. In this arrangement, the system provides an output proportional to the distance between the probe tip and the conductive shaft surface, supporting both static position and dynamic vibration measurements.
Technical Specifications
The ordering code provides a useful snapshot of the probe configuration: 330174 identifies the M8 × 1 armored version, 00 specifies the unthreaded-length option, 06 the case length, 20 the 2.0 m cable option, and 02 the miniature coaxial ClickLoc connector with standard cable. The complete part number should therefore be used when selecting a replacement.
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model | 330174-00-06-20-02-00 |
| Product Type | 3300 5mm Proximity Probe |
| Measurement Principle | Eddy-current, non-contact |
| Probe Family | 3300 5mm |
| Base Model | 330174 |
| Mounting Thread | M8 × 1 |
| Construction | With armor |
| Unthreaded Length | 0 mm |
| Overall Case Length | 60 mm (2.36 in) |
| Integral Cable Length | 2.0 m (6.56 ft) |
| Connector | Miniature coaxial ClickLoc |
| Cable Type | Standard cable |
| Cable Impedance | 75 Ω |
| Probe Tip Diameter | 5.2 mm (0.21 in) |
| Probe Tip Material | PPS |
| Case Material | Stainless steel |
| Maximum M8 × 1 Thread Engagement | 12 mm |
| Minimum Cable Bend Radius | 25.4 mm (1.0 in) |
| Typical Probe Weight | 323 g (11.39 oz) |
Applications
Turbine Shaft Monitoring
The probe can be incorporated into suitable turbine monitoring arrangements for measuring shaft position and dynamic movement. Its armored construction provides useful protection where the cable is exposed to the mechanical environment around the machine.
Compressor Monitoring
For compatible compressors, the 3300 5mm system can provide non-contact information about rotor position and vibration. The 2.0 m cable is advantageous when the probe must be routed over a relatively long distance to the associated system components.
Generator Monitoring
Generators and large rotating equipment can use proximity probes to monitor shaft displacement and dynamic movement. The compact probe body is suitable for installations where mounting space is limited.
Motor and Pump Applications
Compatible motors and pumps can benefit from continuous non-contact shaft measurement. The M8 × 1 mounting arrangement provides a metric installation option for the appropriate machinery configuration.
Fluid-Film Bearing Machines
The 3300 5mm transducer system is particularly suited to vibration and position measurement on machinery using fluid-film bearings. It can also support Keyphasor and speed measurement applications when integrated with the appropriate system components.
Machinery Protection Systems
When paired with compatible Proximitor and monitoring equipment, the probe can become part of a machinery protection chain used to identify abnormal shaft movement and vibration.
Long Cable Routing
The 2.0 m integral cable is particularly useful when the distance between the probe mounting location and the next connection point is greater than that accommodated by a 1.0 m configuration.
Compact Mounting Locations
The combination of a 60 mm case and 0 mm unthreaded section makes this configuration attractive for installations where a longer probe body could interfere with surrounding components.
Advantages
Armored Probe Construction
The 330174 series is specifically designed with armor around the cable, offering additional mechanical protection in comparison with the 330173 unarmored configuration.
Compact 60 mm Body
The 60 mm case length provides a compact installation footprint without sacrificing the 5.2 mm sensing-tip format of the 3300 5mm system.
2.0 m Integral Cable
The 2.0 m cable provides considerably more routing flexibility than a 1.0 m version. It can be especially useful when the machinery layout places the probe connection point farther away from the monitoring electronics.
M8 × 1 Metric Thread
The M8 × 1 thread provides a compact mounting interface and clearly identifies this probe as part of the metric 330174 family.
0 mm Unthreaded Configuration
The 00 unthreaded option provides a direct, compact probe-body arrangement and can be advantageous in mounting locations where an extended unthreaded section is unnecessary.
5.2 mm Sensing Tip
The small sensing tip allows the probe to access measurement points where installation space around the rotating target is limited.
Non-Contact Eddy-Current Technology
The probe measures the distance to a conductive target without physically contacting the rotating shaft. This makes it suitable for continuous monitoring of high-speed machinery.
ClickLoc Connection
The miniature coaxial ClickLoc connector provides a compact connection interface for compatible 3300 system components.
Proven System Architecture
The complete 3300 5mm transducer system combines the probe, extension cable, and Proximitor Sensor to provide stable measurement of both static position and dynamic vibration.
Practical Replacement Identification
The full 330174-00-06-20-02-00 code specifies the probe construction, dimensions, cable length, connector arrangement, and approval option. This makes it much safer for replacement work than selecting a probe solely by the generic “3300 5mm” description.
Technical FAQs
1. What is the Bently Nevada 330174-00-06-20-02-00?
It is an armored 3300 5mm proximity probe with an M8 × 1 thread, 0 mm unthreaded length, 60 mm case length, 2.0 m cable, and miniature coaxial ClickLoc connector.
2. What does the 330174 designation mean?
330174 identifies the 3300 5mm probe configuration using an M8 × 1 thread with armor.
3. What does the first “00” specify?
The first 00 represents a 0 mm unthreaded length.
4. What does “06” mean?
The 06 identifies the 60 mm overall case length, approximately 2.36 inches.
5. How long is the integral cable?
The 20 cable option specifies a 2.0 m total cable length, approximately 6.56 feet.
6. What connector does this model use?
The 02 connector option identifies the miniature coaxial ClickLoc connector with standard cable.
7. Is the 330174-00-06-20-02-00 armored?
Yes. The 330174 family is the armored M8 × 1 version of the 3300 5mm probe.
8. What is the probe-tip diameter?
The 3300 5mm probe has a 5.2 mm (0.21 in) tip diameter.
9. What is the approximate weight?
The typical 3300 5mm probe weight is approximately 323 g (11.39 oz).
10. What is the difference between 330174-00-06-20-02-00 and 330174-00-06-10-02-00?
The principal difference is the integral cable length. The subject model uses a 2.0 m cable, while the -10 configuration uses a 1.0 m cable. Both can otherwise share the 60 mm case, 0 mm unthreaded configuration, armored M8 × 1 construction, and ClickLoc connection. The longer cable should be selected when the actual installation requires the additional routing distance.
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