330704-000-100-10-02-00 Bently Nevada 3300 XL 11 mm Armored Probe

Product Overview | 3300 XL 11 mm Metric Proximity Probe

Bently Nevada 330704-000-100-10-02-00 is an armored proximity probe from the 3300 XL 11 mm Metric Series. It measures shaft displacement without physical contact. The probe supports machinery protection and condition monitoring in demanding industrial environments.

This configuration combines an M14 × 1.5 metric mounting thread, a 100 mm case length, and a 1.0-meter probe cable. Its armored construction provides additional mechanical protection around the cable assembly.

The probe uses a PPS sensing tip and an AISI 304 stainless steel case. Its 75 Ω triaxial FEP-insulated cable supports signal transmission within a compatible 3300 XL 11 mm measurement system.

Engineers can use this probe to monitor shaft displacement, vibration-related movement, and machinery operating conditions. Typical applications include industrial compressors, steam turbines, gas turbines, pumps, and other critical rotating equipment.

Model Identification and Configuration Breakdown

The complete ordering code identifies the probe's mechanical dimensions, cable length, connector arrangement, and approval configuration.

Ordering Code	Configuration
330704	3300 XL 11 mm proximity probe, M14 × 1.5 thread, armored construction
000	Unthreaded length: 00 mm
100	Overall case length: 100.0 mm
10	Total probe length: 1.0 meter (3.3 feet)
02	Miniature coaxial ClickLoc connector, standard cable
00	Agency approval: Not required

Complete Model: 330704-000-100-10-02-00

Configuration Interpretation:

• Mechanical Interface: M14 × 1.5 metric thread with armored construction.
• Mounting Geometry: 00 mm unthreaded length and 100 mm overall case length.
• Cable Assembly: 1.0-meter total probe length.
• Electrical Connection: Miniature coaxial ClickLoc connector with standard cable.
• Approval Configuration: Option 00 does not request agency approval.

Check every suffix before ordering a replacement. A matching base model does not guarantee identical mounting dimensions or electrical connections.

Technical Data | Mechanical and Electrical Parameters

Parameter	Specification
Manufacturer	Bently Nevada
Model	330704-000-100-10-02-00
Product Family	3300 XL
Probe Series	3300 XL 11 mm Metric
Product Type	Armored Proximity Probe
Mounting Thread	M14 × 1.5
Unthreaded Length	00 mm
Overall Case Length	100.0 mm
Total Probe Length	1.0 m (3.3 ft)
Connector	Miniature coaxial ClickLoc
Cable Type	Standard armored probe cable
Cable Impedance	75 Ω
Cable Construction	Triaxial with FEP insulation
Probe DC Resistance	5.9 ± 0.5 Ω
Probe Tip Material	Polyphenylene Sulfide (PPS)
Probe Case Material	AISI 304 Stainless Steel
Operating Temperature	-52°C to +177°C (-62°F to +351°F)
Storage Temperature	-52°C to +177°C (-62°F to +351°F)
Recommended Case Torque	21.1 N·m (187 in·lb)
Maximum Rated Case Torque	63.3 N·m (560 in·lb)
Maximum Thread Engagement	21 mm
Agency Approval Option	00 – Not required

Measurement Performance and Signal Integrity

The 3300 XL 11 mm probe provides non-contact shaft measurement. Its electrical characteristics support integration into a compatible proximity transducer system.

Probe DC Resistance

• Specified probe length: 1.0 meter.
• Resistance measurement: Center conductor to outer conductor.
• Nominal resistance: 5.9 ± 0.5 Ω.

Resistance to 60 Hz Magnetic Fields

The manufacturer provides output voltage susceptibility values for magnetic fields up to 300 Gauss in a five-meter system.

Probe Gap	Output Voltage per Gauss
0.5 mm (20 mils)	0.001 mil pp/Gauss
2.5 mm (100 mils)	0.009 mil pp/Gauss
4.6 mm (180 mils)	0.027 mil pp/Gauss

These values describe magnetic-field susceptibility under the specified test conditions. They help engineers evaluate installations near large motors, generators, and other magnetic-field sources.

Additional Performance Parameters

• Measurement Range: The supplied model data does not specify a numerical linear range.
• Frequency Response: Confirm the applicable response characteristics using the complete probe, extension cable, and Proximitor documentation.
• Sensitivity: A separate numerical scale factor is not included in the supplied data.
• Linearity: A numerical linearity error is not provided.
• Resolution: The source does not specify an independent resolution value.
• Magnetic Immunity: The supplied 60 Hz magnetic-field susceptibility values provide a reference for installation assessment.

Temperature Classification and Environmental Limits

The probe supports an operating and storage temperature range of -52°C to +177°C. Temperature classification depends on the applicable Equipment Protection Level and ambient temperature conditions.

Temperature Schedule – EPL Ga and Gc

Temperature Class	Probe Ambient Temperature
T1	-55°C to +232°C
T2	-55°C to +177°C
T3	-55°C to +120°C
T4	-55°C to +80°C
T5	-55°C to +40°C

Temperature Schedule – EPL Dc

Temperature Classification	Ambient Temperature Range
T280°C	-55°C to +232°C
T225°C	-55°C to +177°C
T170°C	-55°C to +120°C
T130°C	-55°C to +80°C
T105°C	-55°C to +100°C
T90°C	-55°C to +40°C

Temperature Seal Precaution: Sustained exposure below -34°C may cause premature pressure-seal failure. Evaluate the actual installation temperature before commissioning.

The temperature schedule and probe operating range describe different specification contexts. Do not treat them as interchangeable limits. Verify the complete hazardous-area installation against the applicable approval documentation.

Mechanical Installation and Mounting Requirements

The M14 × 1.5 mounting thread supports metric installation arrangements. Correct engagement and torque control help protect the probe case and pressure seal.

• Thread Specification: M14 × 1.5.
• Maximum Thread Engagement: 21 mm.
• Recommended Torque: 21.1 N·m (187 in·lb).
• Maximum Rated Torque: 63.3 N·m (560 in·lb).
• Case Material: AISI 304 stainless steel.
• Sensing Tip: PPS construction.

Installation Sequence

1. Confirm the mounting port matches the M14 × 1.5 thread.
2. Measure the available mounting depth before installing the probe.
3. Keep thread engagement within the 21 mm maximum.
4. Inspect the probe tip and armored cable for visible damage.
5. Install the probe without forcing the mounting thread.
6. Apply the recommended 21.1 N·m torque.
7. Connect the miniature coaxial ClickLoc connector securely.
8. Verify the probe gap and electrical signal during commissioning.

Avoid applying the maximum rated torque during routine installation. Use the recommended torque unless the approved installation procedure specifies otherwise.

Equipment Compatibility and Application Scenarios

The 3300 XL 11 mm Metric Probe supports non-contact displacement monitoring in compatible machinery protection systems. Its selection should reflect shaft geometry, mounting space, cable routing, and monitoring requirements.

Typical Equipment Applications

• Steam Turbines: Monitor shaft movement and displacement at designated measurement locations.
• Gas Turbines: Support shaft-position monitoring within compatible turbine protection systems.
• Centrifugal Compressors: Track shaft movement and support machinery condition assessment.
• Process Compressors: Provide displacement measurements for critical rotating assemblies.
• Industrial Pumps: Monitor shaft movement where proximity measurement suits the bearing arrangement.
• Generators: Support shaft displacement monitoring in suitable rotating equipment configurations.

System Compatibility Checklist

• Confirm compatibility with the designated 3300 XL 11 mm Proximitor Sensor.
• Verify the probe and extension cable configuration against the sensor requirements.
• Check the total transducer system length.
• Confirm the ClickLoc connector interface.
• Verify the target material and calibration requirements.
• Review hazardous-area documentation when the installation requires certified equipment.

Do not assume compatibility with 8 mm proximity systems. The 11 mm probe requires a matching measurement configuration and appropriate system components.

Diagnostic Capabilities and Maintenance Strategy

The probe provides a displacement-related signal for machinery monitoring. Engineers can use this measurement to evaluate shaft movement and investigate abnormal operating conditions.

Diagnostic Focus	Engineering Application
Shaft Displacement	Evaluate changes in shaft position relative to the probe target.
Vibration Monitoring	Supply proximity measurements to compatible machinery monitoring channels.
Magnetic Interference Assessment	Evaluate potential 60 Hz magnetic-field influence near electrical machinery.
Connection Integrity	Check probe resistance and ClickLoc connector condition.
Mounting Stability	Inspect thread engagement and mounting torque.
Thermal Exposure	Compare actual probe temperature with the applicable operating limits.

Practical Maintenance Recommendations

• Record the initial probe resistance during commissioning.
• Inspect armored cable routing during scheduled maintenance.
• Check connector engagement after machinery maintenance activities.
• Review abnormal displacement trends against operating conditions.
• Investigate magnetic-field exposure when electrical interference appears.
• Compare temperature records with the applicable installation limits.

The probe supplies measurement signals rather than independent fault classifications. Engineers should combine its readings with vibration trends, operating data, and other monitoring channels before identifying machinery faults.

Global PLC Spare HUB Review

The Bently Nevada 330704-000-100-10-02-00 offers a defined metric mounting configuration for 3300 XL 11 mm proximity measurement applications. Its M14 × 1.5 thread and 100 mm case length help engineers assess mechanical fit before installation.

One important selection factor involves the probe's magnetic-field susceptibility. Installations near generators, large motors, or electrical equipment may experience 60 Hz magnetic fields. Engineers should compare the expected field exposure with the supplied susceptibility data.

The armored construction also matters in machinery installations with restricted cable routing. It provides additional mechanical protection around the probe cable. However, technicians should still prevent excessive bending, tension, and contact with sharp edges.

During replacement projects, the complete suffix code deserves careful attention. The cable length, connector type, case geometry, and approval option all affect system integration. Matching only the 330704 base model can lead to incorrect component selection.

For maintenance planning, use probe resistance as an electrical reference rather than a complete diagnostic result. Combine resistance checks with signal evaluation and mechanical inspection. This approach provides a more reliable assessment of the measurement channel.

Packaging and Commercial Information

• Product: Bently Nevada 3300 XL 11 mm Proximity Probe.
• Model: 330704-000-100-10-02-00.
• Configuration: M14 × 1.5 armored probe, 1.0-meter cable.
• Packaging: Factory packing.
• Warranty: 12 months.
• Condition: New and original, as specified by the supplier.

Global PLC Spare HUB supports industrial automation spare-part sourcing. Contact our team to confirm availability, pricing, and configuration details before ordering.

Frequently Asked Questions

Q1: Why does the 330704 probe use an 11 mm measurement design instead of an 8 mm design?

The probe family uses a different sensing geometry and matching transducer configuration. Engineers should select the measurement diameter according to shaft dimensions, available installation space, target characteristics, and system design. An 11 mm probe is not an automatic substitute for an 8 mm probe.

Q2: How does magnetic-field susceptibility affect probe placement?

Strong 60 Hz magnetic fields can introduce additional output voltage. The supplied test data shows increasing susceptibility at larger probe gaps. Engineers should assess nearby motors, generators, and power equipment when selecting the mounting location.

Q3: What should engineers consider when installing the probe in a bearing housing?

Check the M14 × 1.5 mounting port, available insertion depth, shaft target clearance, and cable exit direction. Also verify the 21 mm maximum thread engagement. Incorrect mounting geometry can prevent the probe from reaching its intended measurement position.

Q4: Why should technicians record probe resistance before starting machinery?

An initial resistance reading establishes a useful maintenance reference. Technicians can compare later measurements against the original 5.9 ± 0.5 Ω specification. Significant changes may indicate connector problems, conductor damage, or an abnormal electrical condition.

Q5: How should buyers evaluate the 330704-000-100-10-02-00 configuration for a replacement project?

Compare the complete ordering code with the installed probe. Pay particular attention to the M14 × 1.5 thread, 100 mm case length, 1.0-meter cable, and ClickLoc connector. Also verify the Proximitor Sensor interface and approval requirements. Request a technical configuration check when the existing equipment documentation is incomplete.

Request a Quote | Bently Nevada 330704-000-100-10-02-00

Need a 3300 XL 11 mm Metric Armored Proximity Probe for a turbine, compressor, or pump monitoring system?

Contact Global PLC Spare HUB with your complete part number and application details. Our team can assist with model verification, pricing, and product availability.

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