Introduction
The Bently Nevada 330193-00-04-10-00 is a 3300 XL 8 mm proximity probe designed for reliable, non-contact measurement of shaft vibration and position on critical rotating machinery. It belongs to the metric 330193 probe family and uses an M10 × 1 thread without armor, making it a practical choice for installations where metric mounting and a compact sensing arrangement are preferred.
The 3300 XL 8 mm proximity transducer system combines a probe, extension cable where required, and Proximitor Sensor. The system converts the distance between the probe tip and the conductive shaft surface into an electrical output that can be used for dynamic vibration and static position measurements. It is particularly useful on fluid-film bearing machines, as well as for Keyphasor reference and speed measurement.
The part number defines a precise configuration: 00 indicates a 0 mm unthreaded section, 04 specifies a 40 mm overall case length, 10 identifies a 1.0 m cable length, and 00 indicates that the additional agency approval option is not selected.
Technical Specifications
The 330193 series is the metric, non-armored version of the 3300 XL 8 mm proximity probe. Unlike the 330191 family, which uses 3/8-24 UNF mounting threads, the 330193 uses M10 × 1 metric threading.
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 330193-00-04-10-00 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Probe Family | 330193 |
| Mounting Type | Standard mount |
| Thread | M10 × 1 |
| Construction | Non-armored |
| Probe Tip Diameter | 8.0 mm (0.31 in) |
| Unthreaded Length | 0 mm |
| Overall Case Length | 40 mm (1.57 in) |
| Cable Length | 1.0 m (3.3 ft) |
| Cable Type | Standard 75 Ω cable |
| Cable Diameter | Approx. 3.68 mm maximum |
| Connector | Miniature male coaxial ClickLoc |
| Measurement Principle | Eddy-current, non-contact |
| Typical Measurements | Shaft vibration and position |
| Additional Applications | Keyphasor reference and speed |
| Approval Option | 00 – Not required |
| Probe Weight | Approx. 323 g/m |
| Approximate Probe Assembly Weight | Approx. 0.32 kg |
| Typical Complete System Weight | Approx. 0.7 kg |
| Installation | M10 × 1 threaded mounting |
Applications
Industrial Turbine Monitoring
The 330193 can be integrated into turbine monitoring systems to measure shaft vibration and position. Direct shaft measurement can provide valuable information during startup, shutdown, and normal operating conditions.
Compressor Condition Monitoring
For compressors with fluid-film bearings, proximity probes can provide direct rotor measurements that complement casing-based vibration instrumentation.
Generator Applications
The probe is suitable for appropriately configured generator monitoring systems where rotor displacement and vibration are important operating parameters.
Pumps and Motors
Critical pumps and motors can benefit from direct shaft measurement, particularly when shaft dynamics need to be evaluated in addition to conventional vibration measurements.
Fluid-Film Bearing Machines
The 3300 XL 8 mm platform is particularly useful on fluid-film bearing machinery because the proximity probe measures shaft movement directly. This can help identify changes in rotor position and dynamic behavior.
Keyphasor and Speed Measurement
With a suitable target and monitoring arrangement, the 3300 XL proximity system can provide a rotational reference for phase measurements, speed monitoring, and machinery-diagnostic functions.
Metric Machinery Installations
The M10 × 1 thread makes the 330193 especially convenient where metric mounting hardware is already incorporated into the machinery design.
Advantages
Metric M10 × 1 Mounting
One of the defining benefits of the 330193 is its M10 × 1 thread, providing a straightforward solution for metric machinery installations without requiring a 3/8-24 UNF mounting arrangement.
Compact 40 mm Case
The 40 mm case length gives the 330193-00-04-10-00 a relatively compact mechanical footprint, making it useful where installation space around the sensing location is restricted.
Zero Unthreaded Length
The 00 configuration provides 0 mm unthreaded length, giving the probe a clean, compact mounting geometry.
1-Meter Cable
The integrated 1.0 m cable offers a convenient connection length for compact installations and can be used as part of a correctly matched 3300 XL transducer system.
8 mm Sensing Tip
The 8 mm sensing tip provides a robust, well-established format for shaft vibration and position measurement. The 3300 XL 8 mm system is designed for a wide range of industrial rotating machinery.
Non-Contact Measurement
Eddy-current technology measures the shaft without physical contact. This allows continuous observation of rotor movement without normal mechanical probe-tip wear.
Non-Armored Construction
The non-armored configuration provides a slimmer cable arrangement than armored versions and can be advantageous where cable routing space is limited or where additional armor is unnecessary.
Established 3300 XL Platform
The probe is part of a mature 3300 XL proximity transducer architecture, allowing it to be integrated with compatible Proximitor Sensors and extension cables.
Straightforward Replacement
For machinery already using an M10 × 1 3300 XL 8 mm probe, matching the complete 330193 configuration can simplify replacement planning and help maintain the intended transducer characteristics.
Flexible Measurement Capability
The 3300 XL system can measure both static shaft position and dynamic shaft vibration, giving one transducer platform broad utility in machinery monitoring.
Technical FAQs
1. What is the Bently Nevada 330193-00-04-10-00?
It is a 3300 XL 8 mm proximity probe with an M10 × 1 metric thread, non-armored construction, 0 mm unthreaded length, 40 mm case length, 1.0 m cable, and no additional agency approval option.
2. What type of thread does the 330193 use?
The probe uses an M10 × 1 metric thread. This distinguishes it from the 330191 family, which uses a 3/8-24 UNF thread.
3. Is the 330193-00-04-10-00 an armored probe?
No. The 330193 family is the M10 × 1, non-armored configuration. The corresponding armored metric family is 330194.
4. What does the first 00 mean?
The first 00 identifies an unthreaded length of 0 mm. Metric configurations use millimetre-based ordering increments.
5. What does 04 represent?
The 04 specifies an overall case length of 40 mm, approximately 1.57 inches.
6. What does the second 10 indicate?
The second 10 specifies a 1.0 m (3.3 ft) total cable-length configuration.
7. What does the final 00 mean?
The final 00 indicates that the additional agency approval option is not required. The 3300 XL ordering system also provides a 05 multiple-approval configuration.
8. What is the probe tip diameter?
The 3300 XL 8 mm probe uses an 8.0 mm (0.31 in) probe tip.
9. How much does the probe weigh?
The published 3300 XL specification gives the probe at approximately 323 g/m. With a nominal 1.0 m cable configuration, this corresponds to roughly 0.32 kg for the probe/cable assembly. The complete transducer system is typically around 0.7 kg, depending on the system components.
10. What should be checked before replacing this probe?
Verify the M10 × 1 thread, 0 mm unthreaded length, 40 mm case length, 1.0 m cable, non-armored construction, approval requirement, and compatible Proximitor Sensor. The total probe and cable configuration must match the electrical system requirements of the associated Proximitor.
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