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- 330709-000-030-50-12-00
- 3300 XL 11mm Proximity Probe
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Bently Nevada 330709-000-030-50-12-00 — Product Specifications, Technical Description, Applications, Advantages, and Related Models
1. Product Overview
The Bently Nevada 330709-000-030-50-12-00 is a model identified within an industrial machinery instrumentation product range. Its detailed ordering code is important when determining the exact mechanical configuration, cable arrangement, connector type, and compatibility with the associated monitoring system.
The Bently Nevada 3300 XL product family is associated with non-contact proximity measurement for rotating machinery. In a correctly configured system, a proximity probe detects changes in the distance between its sensing tip and a compatible conductive target. The resulting signal can be used to monitor shaft displacement, vibration, and position.
For industrial maintenance teams, this type of instrumentation can support equipment condition assessment, troubleshooting, and maintenance planning. However, the exact configuration of the model 330709-000-030-50-12-00 should be confirmed before its technical specifications are used for purchasing or replacement.
The description below separates the general characteristics of the 3300 XL 11 mm proximity probe family from details that cannot be reliably established for this complete ordering code. Dimensions and weight are included in the tables, with unverified values clearly identified.
2. Brand, Series, and Product Classification
| Item | Product information |
|---|---|
| Brand | Bently Nevada |
| Complete model number | 330709-000-030-50-12-00 |
| Probable product family | 3300 XL 11 mm proximity probe family |
| Product category | Industrial machinery monitoring instrumentation |
| Product type | Proximity probe, subject to complete-code verification |
| Measurement technology | Eddy-current proximity sensing, if confirmed for this configuration |
| Primary function | Non-contact measurement of the distance to a compatible conductive target |
| Typical measurement applications | Shaft displacement, vibration, and position monitoring |
| Typical industries | Power generation, oil and gas, petrochemical processing, refining, and heavy industry |
| Installation type | Determined by the actual mounting configuration |
| Compatible equipment | Requires a matching cable and signal-conditioning arrangement |
| Overall dimensions | Exact drawing required |
| Net product weight | Not confirmed (kg) |
| Packaged weight | Not confirmed (kg) |
| Replacement compatibility | Must be checked against the complete ordering code and existing installation |
Identification caution: The model number alone is not sufficient to confirm every mechanical and electrical characteristic. In particular, the 50-12-00 suffix should not be interpreted as a verified cable length, connector type, or certification designation without the applicable configuration record.
3. Detailed Product Parameters
3.1 General and mechanical specifications
| Parameter | Specification |
|---|---|
| Model | 330709-000-030-50-12-00 |
| Brand | Bently Nevada |
| Series | 3300 XL 11 mm Proximity Probe |
| Probe type | Non-contact proximity probe |
| Mounting style | Forward-mount, unarmored configuration |
| Thread specification | M16 × 1.5 |
| Unthreaded length | 0 mm |
| Overall case length | 30 mm |
| Total probe system length | 5.0 m (16.4 ft) |
| Cable arrangement | Integrated probe cable |
| Connector type | Miniature coaxial ClickLoc |
| Cable type | FluidLoc cable |
| Nominal probe diameter class | 11 mm |
| Probe case material | AISI 304 stainless steel |
| Probe tip material | Polyphenylene sulfide (PPS) |
| Cable impedance | 75 Ω nominal |
| Cable construction | Triaxial cable |
| Cable insulation | Fluorinated ethylene propylene (FEP) |
| Product dimensions | 30 mm case length; 5.0 m total system length; detailed drawing required for other dimensions |
| Net weight | Not confirmed (kg) |
| Approximate packaged weight | Approximately 2 kg as a provisional shipping reference; confirm for the actual package |
| Packaging dimensions | Not confirmed |
| Agency approval option | 00 — no additional agency approval option specified |
3.2 Electrical and measurement specifications
| Parameter | Specification |
|---|---|
| Measurement principle | Eddy-current sensing |
| Nominal sensitivity | 3.94 V/mm (100 mV/mil), under specified system conditions |
| Nominal linear range | 4.0 mm (160 mil), under specified system conditions |
| Target material | Compatible conductive material; AISI 4140 steel is a common reference target |
| Probe DC resistance | Approximately 7.2 ± 0.8 Ω for a comparable 5.0 m configuration; verify the exact configuration |
| Maximum thread engagement | 24 mm |
| Recommended installation torque | 21.1 N·m for the M16 × 1.5 case |
| Maximum rated case torque | 63.3 N·m, subject to the applicable installation instructions |
| Connector tightening | Finger-tight installation; do not exceed the specified connector torque |
| Maximum connector torque | 0.565 N·m |
| Minimum cable bend radius | 25.4 mm |
| Operating temperature | Typically specified from −52°C to +177°C for the probe family, subject to configuration requirements |
| Storage temperature | Typically specified from −52°C to +177°C, subject to configuration requirements |
| Minimum recommended flat target diameter | 30.5 mm |
| Minimum recommended shaft diameter | 152 mm for the stated reference installation |
| Signal-conditioning requirement | Compatible 5.0 m Proximitor sensor |
| Calibration requirement | Matched probe, cable, sensor, and target combination |
The electrical figures are nominal family-level specifications. They should be checked against the exact configuration before being used as acceptance criteria for a critical machine.
3.3 Ordering code interpretation
| Code segment | Meaning |
|---|---|
| 330709 | 3300 XL 11 mm proximity probe, M16 × 1.5 thread, unarmored |
| 000 | 0 mm unthreaded length |
| 030 | 30 mm overall case length |
| 50 | 5.0 m total system length |
| 12 | Miniature coaxial ClickLoc connector with FluidLoc cable |
| 00 | No additional agency approval option specified |
The 50 length option is particularly important. A 5.0 m probe configuration must be paired with the corresponding compatible 5.0 m Proximitor sensor. A 1.0 m or 9.0 m system configuration should not be substituted without confirming the applicable system design.
4. Product Introduction
The 3300 XL 11 mm proximity probe is designed for non-contact displacement measurement in industrial machinery applications. Its sensing element detects changes in the distance between the probe tip and a compatible conductive surface.
The 11 mm probe family is suitable for applications where the required measurement range, target geometry, and mounting arrangement are compatible with the system design. The M16 × 1.5 thread provides a defined metric mounting interface, while the 30 mm case length determines the available threaded body geometry for this configuration.
The integrated 5.0 m cable allows the probe to be connected to compatible signal-conditioning equipment at a distance from the measurement point. The FluidLoc cable option is intended for installations where the specified cable construction is required.
4.1 How the product works
When the probe is positioned near a conductive target, an alternating electromagnetic field interacts with the target surface. Changes in the distance between the probe and the target affect the electrical response of the sensing circuit.
A compatible Proximitor sensor converts this response into an electrical output suitable for the designated monitoring system.
In a rotating machine, the distance between the probe and shaft changes as the shaft moves. The resulting signal can be used to evaluate relative shaft vibration or position, depending on the installation and monitoring configuration.
4.2 Role in a machinery monitoring system
| System component | Purpose |
|---|---|
| 330709 proximity probe | Detects changes in the distance to the target |
| Integrated 5.0 m cable | Carries the probe signal to the compatible sensor |
| Proximitor sensor | Conditions the signal and produces a measurement output |
| Monitoring module | Evaluates the measurement and may provide alarms or protection functions |
| Monitoring software | Supports trending, analysis, and maintenance reporting |
The probe itself does not independently diagnose every mechanical fault. It supplies measurement information that must be interpreted by the monitoring system and maintenance personnel.
5. Product Applications
5.1 Turbines and generators
Turbines and generators require reliable monitoring because changes in rotor movement can affect mechanical performance and operating stability.
A compatible 11 mm proximity measurement system can monitor shaft displacement and vibration at designated measurement locations. Historical trends can help engineers identify deviations from established operating conditions and determine whether further investigation is required.
5.2 Centrifugal compressors
Centrifugal compressors operate under varying loads, pressures, and temperatures. Shaft vibration and position measurements can help investigate rotor imbalance, bearing-related problems, alignment changes, and other mechanical abnormalities.
The 5.0 m cable configuration can be useful where the installation requires a longer connection between the probe and its associated signal-conditioning component.
5.3 Industrial pumps
Critical process pumps may benefit from continuous condition monitoring, particularly where unexpected shutdowns can interrupt production.
Suitable proximity measurement systems can provide information about shaft movement and vibration trends. The probe should only be selected when its mounting arrangement and measurement characteristics suit the pump design.
5.4 Oil, gas, and petrochemical processing equipment
Refineries and processing facilities often use machinery monitoring systems to evaluate critical rotating assets. Proximity measurement equipment can contribute to a broader program for identifying abnormal operating trends and supporting maintenance decisions.
The product’s actual environmental suitability must be checked against the temperature, vibration, contamination, and hazardous-area requirements of the installation.
5.5 Industrial machinery condition monitoring
In suitable installations, proximity measurements can be used to establish a baseline of machine behavior. Later measurements can be compared with the baseline to identify changes that require investigation.
This information can support preventive maintenance, fault investigation, and equipment reliability planning.
6. Product Advantages
| Advantage | Technical explanation | Practical benefit |
|---|---|---|
| Non-contact sensing | Measures the distance to a conductive target without physical contact | Supports continuous shaft measurement |
| 11 mm probe family | Designed for the specified 11 mm measurement system | Provides an alternative to smaller-probe configurations where appropriate |
| Nominal 4.0 mm linear range | Offers a defined measurement range under specified system conditions | Useful for applications requiring the corresponding displacement range |
| M16 × 1.5 mounting | Uses a standardized metric thread | Simplifies mechanical design when the mounting interface matches |
| 30 mm case length | Provides a defined case-length configuration | Helps engineers select a probe for the available installation space |
| 5.0 m cable arrangement | Allows connection over the specified system length | Supports installations where a longer connection is required |
| FluidLoc cable option | Uses the designated cable construction | Helps meet the cable requirements of the intended installation |
| Compatible signal conditioning | Works as part of a matched probe-cable-sensor system | Provides usable measurement signals for monitoring |
| Repeatable measurements | Depends on correct calibration and installation | Supports comparison of operating trends |
| Spare-parts identification | Complete ordering code distinguishes the configuration | Reduces the risk of ordering the wrong replacement |
6.1 Reduced contact-related wear
Because the probe does not need to touch the shaft during normal measurement, it avoids the routine sliding contact associated with contact-based sensing methods.
6.2 Continuous monitoring capability
When connected to a compatible monitoring system, the probe can provide ongoing measurement information. This can help maintenance teams identify changes earlier than an inspection program based only on periodic manual checks.
6.3 Improved maintenance planning
Trend data can support maintenance prioritization and troubleshooting. It should be combined with other diagnostic information where necessary, rather than being treated as a definitive diagnosis on its own.
6.4 Configuration traceability
The full model number specifies important mechanical and connection options. Retaining the complete code in spare-parts records helps distinguish the 5.0 m FluidLoc configuration from other probe variants.
7. Five Related Models from the Same Series
The following models are related to the 3300 XL 11 mm proximity probe family. They provide different case lengths, cable lengths, or cable options.
The dimensions and weight fields below distinguish configuration dimensions from unverified physical measurements. The case length is not the same as the total cable length.
| No. | Model | Product type | Main parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1 | 330709-000-030-10-02-00 | 3300 XL 11 mm proximity probe | M16 × 1.5 thread; 0 mm unthreaded length; 30 mm case; 1.0 m cable; standard cable | 30 mm case; 1.0 m total system length | Not confirmed |
| 2 | 330709-000-030-50-02-00 | 3300 XL 11 mm proximity probe | M16 × 1.5 thread; 0 mm unthreaded length; 30 mm case; 5.0 m cable; standard cable | 30 mm case; 5.0 m total system length | Not confirmed |
| 3 | 330709-000-030-50-12-05 | 3300 XL 11 mm proximity probe | M16 × 1.5 thread; 30 mm case; 5.0 m total length; FluidLoc cable; multiple approval option | 30 mm case; 5.0 m total system length | Not confirmed |
| 4 | 330709-000-050-50-12-00 | 3300 XL 11 mm proximity probe | M16 × 1.5 thread; 0 mm unthreaded length; 50 mm case; 5.0 m cable; FluidLoc cable | 50 mm case; 5.0 m total system length | Not confirmed |
| 5 | 330730-040-00-00 | 3300 XL extension cable family reference | 4.0 m extension cable; connector and complete suffix require confirmation | 4,000 mm cable; connector dimensions not confirmed | Not confirmed |
The first four references represent related probe configurations, while the fifth is an extension cable rather than a sensing probe. They are not automatically interchangeable.
7.1 Related model comparison
| Model | Main difference | Typical reason for consideration | Compatibility concern |
|---|---|---|---|
| 330709-000-030-10-02-00 | 1.0 m standard cable | Shorter cable requirement | Requires the matching system length |
| 330709-000-030-50-02-00 | 5.0 m standard cable | Same case length with a different cable configuration | Standard cable is not identical to FluidLoc cable |
| 330709-000-030-50-12-05 | FluidLoc cable and approval option 05 | Applications requiring the specified cable and approval configuration | Confirm the approval requirements and connector arrangement |
| 330709-000-050-50-12-00 | 50 mm case length | Installation requiring a longer case | Mounting clearance differs from the 30 mm configuration |
| 330730-040-00-00 | Extension cable | Replacement of a compatible cable section | Does not replace the probe itself |
8. Five Additional Bently Nevada Models for Broader Applications
The following five products cover additional proximity sensing and machinery monitoring functions. They should be understood as related products rather than direct substitutes for the target probe.
| No. | Model | Series | Main function | Key parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|
| 1 | 330710-000-030-50-12-00 | 3300 XL 11 mm | Armored proximity probe | M16 × 1.5 thread; 30 mm case; 5.0 m configuration; armored construction | Case length 30 mm; 5.0 m system length | Not confirmed |
| 2 | 330708-00-24-10-01-CN | 3300 XL family reference | Related proximity measurement model; exact configuration requires verification | Full technical configuration must be checked against the complete code | Not confirmed | Not confirmed |
| 3 | 330180-50-00 | 3300 XL Proximitor Sensor | Signal conditioning | Compatible system-length and electrical requirements must be confirmed | Housing dimensions not confirmed | Not confirmed |
| 4 | 3500/42M | 3500 monitoring system | Vibration and position monitoring | Measurement channels and supported functions depend on module configuration | Rack-module dimensions require confirmation | Not confirmed |
| 5 | 3500/22M | 3500 monitoring system | System interface and data communication | Interface functions depend on the installed module version | Rack-module dimensions require confirmation | Not confirmed |
The models in this table have different functions. The armored 330710 probe is a sensing component, the Proximitor sensor conditions the signal, and the 3500 modules provide monitoring or interface functions. They should be evaluated according to the role required in the installation.
9. Installation and Maintenance Recommendations
9.1 Mechanical installation
Confirm the M16 × 1.5 mounting thread, the 30 mm case length, and the available mounting clearance before installation.
The probe must be positioned so that the shaft cannot contact the sensing tip during normal operation or expected machine movement. Thread engagement and tightening torque must follow the applicable technical instructions.
9.2 Cable routing
The 5.0 m cable should be routed to avoid abrasion, excessive bending, heat exposure beyond its rating, and mechanical interference.
The minimum bend radius should be observed. Connectors should be installed according to the specified procedure rather than tightened excessively.
9.3 System compatibility
The probe, cable, and Proximitor sensor should form a compatible system. In particular, the 5.0 m configuration requires the corresponding 5.0 m signal-conditioning arrangement.
Substituting a different cable length or sensor without checking the system specification can change the measurement characteristics.
9.4 Calibration and commissioning
During commissioning, verify the installation gap, signal response, grounding and cable condition, and the monitoring system’s configuration.
Measurements should be evaluated against the appropriate calibration information. Alarm thresholds should be established according to the machine’s requirements and applicable engineering practices.
9.5 Routine inspection
Routine checks should include the mounting condition, connector security, cable damage, and signal stability. Abnormal readings should prompt investigation of the entire measurement chain and the machine’s operating condition.
10. Procurement and Inventory Reference Table
| Procurement field | Recommended entry |
|---|---|
| Brand | Bently Nevada |
| Complete model | 330709-000-030-50-12-00 |
| Series | 3300 XL 11 mm Proximity Probe |
| Thread | M16 × 1.5 |
| Unthreaded length | 0 mm |
| Case length | 30 mm |
| Total system length | 5.0 m |
| Cable type | FluidLoc |
| Connector | Miniature coaxial ClickLoc |
| Armor configuration | Unarmored |
| Approval suffix | 00 |
| Net weight | Verify in kg before final catalog entry |
| Packaged weight | Approximately 2 kg as a provisional reference; verify the actual shipment |
| Overall dimensions | Record from the applicable dimensional drawing |
| Required accessories | Compatible signal-conditioning component and any specified installation hardware |
| Replacement check | Verify the complete part number and system compatibility |
11. Final Summary
The Bently Nevada 330709-000-030-50-12-00 is identified as a 3300 XL 11 mm proximity probe configuration with an M16 × 1.5 thread, 0 mm unthreaded length, 30 mm case length, 5.0 m system length, and a miniature coaxial ClickLoc connector with FluidLoc cable.
Its main purpose is non-contact measurement of a compatible conductive target as part of a machinery monitoring system. Appropriate installations can use the resulting measurements to monitor shaft displacement and vibration and to support equipment condition assessment.
The key selection considerations are the mounting geometry, 5.0 m system-length compatibility, cable construction, connector configuration, calibration, environmental requirements, and the corresponding signal-conditioning hardware.
Five related models and five broader product references are provided above to support model comparison. The exact net weight and complete physical dimensions of the individual products should be verified before they are entered into a formal catalog, quotation, or procurement specification.