Component Snapshot At-a-Glance

• Model: 330130-080-00-CN
• Alt. P/N: 330130-050-00-CN (5m standard extension cable, electrical impedance mismatched, cannot cross-swap for 9m full system)
• Product Series: Bently Nevada 3300 XL 8mm eddy-current proximity transducer system
• Hardware Type: 8-meter double-shielded standard coaxial extension cable with ClickLoc mini coaxial connectors
• Key Feature: Factory-calibrated fixed 8m electrical length, 75Ω matched impedance, NEPSI CN hazardous area certification, double copper shielding for EMI suppression
• Primary Field Use: Connect 330106/330104 proximity probe to 330180-91-CN 9m Proximitor preamp, completes full matched-length 9m vibration monitoring system for turbines, compressors, generators.

Hard-Numbers: Technical Specifications

• Protocol Support: Passive high-frequency analog eddy-current signal transmission; no digital bus, routes raw coil excitation signal between probe and Proximitor
• Port Count: Male ClickLoc coaxial connector (probe side); female ClickLoc coaxial connector (Proximitor preamp side); continuous double shielded coaxial wire 8m total length
• Baud/Data Rate: N/A analog signal; usable bandwidth 0–10kHz (-3dB attenuation) for vibration gap measurement
• Operating Temperature: Cable insulation -51°C to +260°C continuous; connector bodies -35°C to +100°C cabinet ambient
• Isolation Rating: Double copper braid shield provides inherent EMI isolation; galvanic separation handled at 330180 series Proximitor preamp
• Power Draw: Passive transmission cable, zero power consumption; excitation voltage supplied by paired -24VDC Proximitor preamp
• Electrical Matching: Fixed 8m electrical length; only compatible with 1m integral probe (330106 series) to hit total 9m system electrical length matching
• Mechanical Specs: Double-layer copper shielding, PVC outer jacket standard, 300lb tensile pull strength, minimum bend radius 25mm to avoid internal shield fracture
• Certifications: API 670, CE, ATEX Zone 2, Class I Div 2, NEPSI CN explosion certification for domestic Chinese refinery/power plant hazardous cabinets
• Physical Form: Loose reel 8m coaxial cable, factory crimped ClickLoc connectors at both ends, IP64 sealed connector housings

The Real-World Problem It Solves

Mixing 5m extension cables with 1m integral probes creates total 6m electrical length mismatch against 9m-calibrated 330180-91-CN preamps. Impedance offset skews scale factor past ±5% tolerance, triggering constant false Alert/Danger vibration trips on 3500 machinery protection racks.Uncertified non-CN cables fail domestic GB 3836 hazardous area inspections; refinery and offshore Zone 2 turbine enclosures cannot operate unapproved transducer cabling.Unshielded single-layer cables pick up VFD harmonic noise from turbine blower drives, distorting gap voltage readings and masking bearing fault vibration signatures during unit load swings.Where you’ll typically find it:

• Combined-cycle gas turbine thrust and journal vibration monitoring racks paired with 1m reverse mount 330106 probes
• Refinery high-speed centrifugal compressor machinery protection panels with 9m full proximity transducer systems
• Coastal FPSO Zone 2 turbine control rooms requiring NEPSI CN certification for local safety complianceFactory fixed 8m electrical length guarantees perfect impedance matching with 1m integral probes for 9m Proximitor systems, double shielding blocks cabinet electrical interference, and CN certification eliminates site hazardous area compliance paperwork delays for domestic industrial sites.

Hardware Architecture & Under-the-Hood Logic

This passive coaxial cable contains no active electronics; it only transmits high-frequency eddy-current oscillator signals between probe coil and Proximitor preamp front-end circuitry.

1. Inner solid copper core carries high-frequency AC excitation signal from Proximitor to probe coil; dielectric insulation maintains consistent 75Ω impedance along full 8m run.
2. Two layers of continuous copper braid shielding fully wrap the inner signal core; blocks EMI from variable frequency drives, turbine control relays and cabinet power wiring.
3. Factory crimped ClickLoc mini coaxial connectors lock shield continuity end-to-end; patented strain relief prevents vibration-induced cable breakage at connector roots.
4. Outer PVC jacket resists oil mist, dust and cabinet temperature cycling; withstands incidental contact with bearing housing lubricant without insulation degradation.
5. Uniform electrical length calibration across every production run eliminates field trimming; cutting or splicing cable destroys impedance matching and voids API 670 compliance.
6. NEPSI CN compliant connector and jacket materials contain zero flammable plastic components, meeting domestic Zone 2 hazardous area installation codes for oil & gas processing facilities.

Field Service Pitfalls: What Rookies Get Wrong

Dual-End Grounding Coaxial Cable Double Shield Braids

New techs ground cable shield both at probe ClickLoc fitting and turbine junction box. Rotating machinery hull potential differences create circulating ground loop current, distorting gap voltage and triggering random false high vibration Danger shutdown trips during compressor startup transients.Field Rule: Terminate extension cable double shield braid only at the 3500 rack chassis ground stud; fully tape and isolate shield conductors at all turbine bearing housing junction boxes, no secondary ground points.

Substituting 5m 330130-050-00-CN Cable For 8m Unit On 9m Preamp Systems

Field crews swap 5m spare extension cables onto racks fitted with 1m integral probes and 9m-calibrated 330180-91-CN preamps. Total electrical length mismatch shifts scale factor far outside factory tolerance; gap voltage drifts heavily with temperature, invalidating all vibration alarm setpoints programmed in the 3500 rack monitor.Quick Fix: Strict full part number matching for complete 9m transducer systems: deploy only 330130-080-00-CN paired with 1m integral probe + 9m Proximitor. Reserve 5m variants exclusively for short-run 5m full system preamp setups.

Sharp Bends Or Splicing Cable To Fit Cabinet Routing

Techs route cable with tight bends under 25mm radius or splice damaged sections to save replacement cost. Tight bends crack inner double shielding; splices break uniform impedance matching, introducing signal reflection noise that creates unstable gap voltage drift and intermittent probe-fault alarms.Field Rule: Maintain minimum 25mm bend radius for all cable routing; never splice or trim factory-length extension cables. Replace damaged full cable assembly instead of repairing.

Commercial Availability & Pricing Note

Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.