330854-080-24-CN Bently Nevada Extension Cable

Bently Nevada 330854-080-24-CN 3300 XL 25 mm Extension Cable

Bently Nevada 330854-080-24-CN 3300 XL 25 mm Extension Cable

Availability: 10 left in stock

The Bently Nevada 330854-080-24-CN, also cataloged as the 330854 Extension Cable, operates as a dedicated hardware component for high-frequency signal...

SKU: 330854-080-24-CN

Manufacturer: Bently Nevada
Product No.: 330854-080-24-CN
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330854-080-24-CN, also cataloged as the 330854 Extension Cable, operates as a dedicated hardware component for high-frequency signal transmission between proximity probes and Proximitor sensors within 3500 Machinery Protection System networks. It conducts RF excitation signals and returns dynamic displacement voltages without phase shift or signal distortion across the transducer loop.

Suffix Breakdown & Model Matrix

The catalog ordering options for the 330854-080-24-CN extension cable define the physical dimensions, cable construction, and regional agency certifications:

330854: Base Model Designation for 3300 XL 25 mm Extension Cable.
080: Cable Length Option – 8.0 metres (26.2 feet).
24: Armor and Cable Option – High-Temperature FluidLoc cable.
CN: Agency Approval Option – Approvals country-specific (Refer to Quick Reference Guide and Field Notification Letter).

Hardware Specifications

Parameter	Specification
Model	330854-080-24-CN
Brand	Bently Nevada
Origin	United States
Weight	0.045 kg (Shipping Weight: 1.0 kg)
Dimensions	8.0 m (26.2 ft) length
Operating Temp	-35 deg C to +200 deg C (-31 deg F to +392 deg F)
Power Consumption	Passive physical media (0 W)
Cable Capacitance	69.9 pF/m (21.3 pF/ft) typical
Cable Material	75-ohm triaxial, PFA-insulated FluidLoc cable
System Compatibility	3300 XL 25 mm Proximity Transducer System

Eddy-Current Probe Scaling and Rotor Dynamics Tracking

The 330854-080-24-CN extension cable is manufactured with a 75-ohm triaxial design to preserve linear eddy-current probe scaling across wide gap displacement ranges. The high-temperature PFA insulation and FluidLoc internal barrier design prevent oil and process fluids from wicking along the conductor core, protecting signal purity in high-temperature turbomachinery housings.

During system setup, gap voltage validation requires verifying the baseline DC voltage (-10 VDC nominal target at static shaft center) at the Proximitor output terminals. Controlled capacitance parameters prevent oscillator frequency drift, maintaining accurate phase tracking during severe rotor dynamics events and ensuring high channel-to-channel cross-talk suppression.

Frequently Asked Questions

Q: Can the 330854-080-24-CN extension cable be trimmed or modified in the field to match exact conduit lengths?

A: No. Trimming or splicing alters the total electrical capacitance and resistance of the 8.0 m transmission path. This shifts the Proximitor tuning curve, invalidates factory calibration, and causes severe scale factor errors during gap voltage validation.

Q: What physical protection does the High-Temperature FluidLoc cable option (Option 24) provide?

A: The FluidLoc cable construction includes an internal fluid barrier combined with PFA insulation rated up to +200 deg C. It stops hot synthetic oils, steam, and liquid hydrocarbons from migrating inside the cable jacket into terminal enclosures.

Field Installation Guidelines

Inspect the PFA jacket and miniature coaxial connectors for contamination, pin damage, or physical abrasions prior to routing.
Route the cable through dedicated metallic conduit or wireways, keeping a minimum static bend radius of 25.4 mm (1.0 in).
Maintain at least 300 mm clearance between the extension cable run and high-voltage AC power lines or VFD motor cables to eliminate inductive noise.
Align the coaxial connectors, push firmly until the latching mechanism engages, and slide a protective connector boot over the interface junction.
Perform gap voltage validation across the Proximitor output terminals using a calibrated digital multimeter; confirm the DC voltage matches the static target (typically -10 VDC).
Connect the cable shield to instrument ground exclusively at the Proximitor panel end. Leave the shield floating at the probe end to avoid ground loop currents.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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