330130-085-13-05 Bently Nevada 3300 XL Armored Extension Cable

Product Overview | Secure Signal Transmission for 3300 XL Probe Systems

The Bently Nevada 330130-085-13-05 is an armored extension cable for the 3300 XL 8 mm proximity probe system. It connects a compatible probe to its extension cable interface and supports accurate shaft displacement measurements when used with the correct Proximitor sensor.

This configuration provides an 8.5-meter (27.9-foot) cable length, an armored FluidLoc cable, a connector protector, and the specified CSA, ATEX, and IECEx approval option. The FluidLoc construction helps prevent oil and other liquids from migrating through the cable interior.

For machinery engineers, cable selection affects system length, signal performance, installation reliability, and environmental protection. Always verify the complete probe, extension cable, and Proximitor sensor combination before commissioning.

• Manufacturer: Bently Nevada
• Model: 330130-085-13-05
• Series: 3300 XL
• Product Type: Armored proximity probe extension cable
• Nominal Cable Length: 8.5 m (27.9 ft)
• Cable Construction: Armored FluidLoc cable
• Connector Protection: Connector protector included in the specified option
• Approval Option: CSA, ATEX, and IECEx, as specified by suffix -05
• Manufacturing Origin: USA, according to the supplied product information
• Warranty: 12 months, subject to supplier terms

Configuration Breakdown | Decode the Ordering Number

Configuration advice: Do not substitute a cable based on length alone. Confirm the probe family, connector arrangement, FluidLoc requirement, armor, hazardous-area approvals, and total system length.

Technical Specifications | Cable and Electrical Characteristics

Important distinction: The power, linear range, and output resistance values describe the referenced 3300 XL 8 mm measurement system. They are not independent electrical outputs generated by the passive extension cable.

Mechanical Construction and Liquid Protection

• Armored Cable: Provides additional mechanical protection for suitable industrial routing conditions.
• FluidLoc Construction: Helps prevent oil and other liquids from migrating through the cable interior.
• Connector Protector: Protects the probe-to-extension cable connection when correctly installed.
• Silicone Tape: Supplied silicone tape may serve as an alternative to connector protectors in suitable applications.
• Oil Exposure Warning: Do not rely on silicone tape where turbine oil may contact the probe-to-extension cable connection.

The FluidLoc option is particularly relevant around turbine casings and oil-exposed machinery. It does not eliminate the need for correct connector assembly, sealing, and inspection.

System Compatibility | Probe, Cable, and Proximitor Matching

The extension cable forms part of the complete 3300 XL 8 mm proximity measurement system. Engineers must match the combined probe and extension cable length to the Proximitor sensor's required total system length.

• Probe Compatibility: Use with the appropriate 3300 XL 8 mm probe configuration.
• Proximitor Sensor: Verify that the sensor supports the selected probe and extension cable combination.
• Total System Length: The probe length plus extension cable length must equal the Proximitor sensor's specified total length.
• Target Material: The referenced performance specifications use an AISI 4140 steel target. Other target materials may change system performance.
• Calibration Conditions: Referenced specifications assume a -24 VDC supply, 10 kΩ load, and a 1.27 mm (50 mil) probe gap unless otherwise indicated.
• Field Wiring: Use compatible shielded triad cable and suitable tinned field wiring where specified by the installation documentation.

Engineering note: The referenced 3300 XL 8 mm system provides a linear range of approximately 0.25–2.3 mm (10–90 mils), corresponding approximately to -1 to -17 VDC under the stated conditions. Confirm the applicable Proximitor documentation before using these values for commissioning.

Installation Guide | Practical Steps for Engineers

1. Verify the Part Number: Confirm the cable length, FluidLoc option, armor, connector protector, and approval suffix.
2. Check System Length: Add the probe length and extension cable length. Confirm that the total matches the selected Proximitor sensor.
3. Inspect Connectors: Check for damaged threads, contamination, moisture, or worn sealing components.
4. Route the Cable: Avoid sharp edges, excessive bending, crushing, and unnecessary contact with hot surfaces.
5. Secure the Armor: Install the armored cable according to the approved routing and mechanical support requirements.
6. Protect the Connection: Install the connector protector correctly, particularly where oil exposure is possible.
7. Verify Hazardous-Area Requirements: Follow the applicable approval documentation and installation drawing.
8. Commission the System: Check supply voltage, gap voltage, channel response, and vibration or shaft-position readings.

Never shorten or modify a cable without confirming the manufacturer's instructions. Cable alterations may affect electrical characteristics, environmental protection, and the approved system configuration.

Diagnostics and Maintenance | Finding Cable-Related Faults

Field example: A turbine monitoring channel develops intermittent shaft-position readings after cable replacement. Before changing the probe, technicians should confirm the extension cable length, inspect the connector, and verify the total system length.

For an oil-exposed installation, inspect the probe-to-extension cable connection for contamination or signs of leakage. Correct cable configuration and sealing help reduce avoidable maintenance work.

Application Areas | Where This Cable Adds Value

• Steam Turbines: Supports compatible shaft-position and vibration measurement systems around turbine machinery.
• Gas Turbines: Provides a protected cable connection for suitable proximity probe installations.
• Centrifugal Compressors: Supports the signal path between a compatible probe and extension cable system.
• Industrial Pumps: Helps maintain a reliable probe connection when the system uses a matching 3300 XL 8 mm configuration.
• Power Generation: Supports machinery monitoring installations requiring armored routing and suitable liquid protection.
• Oil and Gas Facilities: Provides a FluidLoc cable option for suitable installations exposed to oil or other liquids.

Application suitability depends on system compatibility, mechanical routing, environmental exposure, and the required hazardous-area approvals.

Model Comparison | 330130-085-13-05 vs. 330130-040-01-05

Both part numbers belong to the Bently Nevada 3300 XL extension cable family. The main known differences are the ordered cable length and connector protector/cable option.

Technical recommendation: Choose the 8.5 m FluidLoc armored version when the installation needs that length and added liquid-migration protection. Consider the alternative only after confirming its actual length, cable construction, connector protection, and system compatibility.

Global PLC Spare HUB's Insight

Extension cable selection is a system-level engineering decision, not simply a matter of matching connector types. The probe length, extension cable length, and Proximitor sensor configuration must work together.

For example, when replacing a cable on a turbine casing, a technician may choose a similar-looking cable with a different length or connector option. This change can create a system mismatch or remove an important layer of liquid protection.

Our recommendation is to record the full cable part number, probe model, Proximitor model, total system length, and environmental exposure before ordering. For oil-exposed connections, verify FluidLoc requirements and install the connector protector according to the manufacturer's instructions.

This process helps engineers avoid unnecessary commissioning delays and supports more consistent machinery monitoring performance.

Warranty, Packaging, and Shipping

• Product: Bently Nevada 330130-085-13-05 extension cable.
• Warranty: 12 months, subject to the supplier's applicable terms and conditions.
• Shipping Methods: FedEx, UPS, and DHL, subject to destination and service availability.
• Dispatch Target: 24–48 hours after order confirmation, subject to stock verification and order processing.
• Configuration Check: Confirm the complete suffix, cable length, and required accessories before shipment.
• Package Contents: Verify the extension cable, specified connector protector, silicone tape, and documentation against the supplier's packing list.

Frequently Asked Questions

Q1: Why must the probe length and extension cable length match the Proximitor sensor?

The 3300 XL 8 mm system relies on a defined total electrical length. An incorrect combination can affect measurement performance and system calibration. Verify the complete configuration before energizing the channel.

Q2: Is the armored FluidLoc option necessary for every installation?

No. It is especially useful where the installation requires additional mechanical protection and resistance to internal liquid migration. Select the option according to cable routing, oil exposure, and the machine manufacturer's requirements.

Q3: Can silicone tape replace the connector protector in a turbine installation?

The supplied silicone tape may serve as an alternative in suitable applications. The manufacturer does not recommend it where turbine oil can expose the probe-to-extension cable connection. Use the specified connector protection for those conditions.

Q4: What should engineers check before extending the field wiring to the monitor?

Check the total cable length, cable capacitance, shielding arrangement, and required frequency response. Longer wiring can cause high-frequency signal roll-off, so follow the applicable system documentation.

Q5: How can a buyer confirm that a replacement cable supports the required hazardous-area installation?

Check the complete part number, approval documentation, installation drawing, and associated probe and Proximitor configuration. Do not rely on a family name or suffix alone when verifying site certification.

Request a Quote | Bently Nevada 3300 XL Extension Cable

Contact Global PLC Spare HUB for pricing, availability, and technical selection support for the 330130-085-13-05. Provide your required quantity, probe model, Proximitor model, total system length, and operating environment to help confirm the correct cable configuration.

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