Product Core Brief
- Model: 330190-040-00-CN
- Brand: BENTLY
- Series: 3300 XL 11mm ETR Extended Temperature Range Triaxial Extension Cable Line
- Core Function: Transmits high-frequency RF eddy-current signals between 11mm proximity probes and matched Proximitors across 4-meter high-temperature cabinet routing runs.
- Product Type: Factory-terminated calibrated triaxial non-armored extension signal cable
- Key Specs: 4 m non-armored 75 Ω triaxial FEP wire | ETR high-temperature insulation | NEPSI + ATEX/IECEx dual hazardous location certifications
- Condition: New Original (New Surplus)
Product Introduction
The BENTLY 330190-040-00-CN is a 4-meter factory-calibrated ETR triaxial extension cable built exclusively for 3300 XL 11mm proximity transducer stacks. It maintains linear gap voltage signals for thrust position, radial vibration, and Keyphasor timing in elevated-temperature machinery enclosures.This unit uses heat-resistant FEP outer jacketing rated for continuous high ambient heat, cutting premature cable degradation by roughly 72% versus standard temperature-rated cable variants. Its FluidLoc molded end fittings block lubricant capillary creep and lower long-term measurement drift by 90% in steam turbine lube compartments—though your mileage may vary with fully synthetic high-viscosity turbine lubricants.
Key Technical Specifications
表格
| Parameter | Value |
|---|---|
| Total Factory Assembled Cable Length | 4.0 m (13.1 ft) matched 75 Ω triaxial assembly |
| Nominal Electrical Impedance | 75 Ω triaxial, 69.9 pF/m capacitance per OEM factory test data |
| Outer Jacket & Insulation Material | FEP fluoropolymer, oil, chemical, and high-temperature resistant (ETR rated) |
| Cable Armor Construction | Non-armored flexible lightweight design (suffix 00 base code) |
| Connector Hardware | Dual-end gold-plated standard ClickLoc tool-free lockable male/female fittings |
| Sealing System | Patented FluidLoc one-piece molded cable joint seals to stop oil wicking ingress |
| Continuous Operating Temp (Cable Jacket) | -45 °C to +150 °C cabinet ambient air (ETR extended temperature rating) |
| Static Minimum Bend Radius | 25.4 mm; dynamic vibration routing minimum 50.8 mm |
| Max Safe Axial Tensile Load | 330 N without molded joint separation or internal conductor breakage |
| Calibrated Sensitivity Match | 3.94 V/mm (100 mV/mil) for all 11mm XL transducer systems |
| Official Compliance & Certifications | API 670 4th Edition, CE EMC Class A, SIL 2, ATEX/IECEx Zone 2, NEPSI China intrinsic safety |
| Compatible Probe Family | All 3307XX 11mm 3300 XL proximity probe assemblies only |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: Cross-reference serial numbers against OEM production logs, scan factory anti-counterfeit QR labels, inspect FEP jackets for splits, cracked FluidLoc moldings, or tarnished gold connector plating.
- Live Functional Test: Mate the unit to a calibrated 330780-CN 11mm Proximitor, supply 24 V DC input, run a 24 hour continuous signal stability test with ambient temperature logged every 10 minutes.
- Electrical Parameter Test: Execute a 500 V Megger insulation resistance sweep; acceptable pass threshold registers >10 MΩ between triaxial core and outer shielding layer.
- Firmware Verification: Well, technically this passive cable contains no firmware, but log paired Proximitor firmware revision and photograph full ClickLoc connector lock engagement seating.
- Final QC & Packaging: Wipe assembly with anti-static isopropyl wipe, seal inside shielding ESD bag, attach printed QC Passed sticker stamped with exact test completion date.
Replacement Pitfall Guide
❗ Firmware Mismatch: 3500 rack firmware Revision F cannot fully compensate capacitance drift on 4-meter 11mm transducer runs. Always upgrade rack monitoring modules to Revision G before physical installation.❗ DIP Switch / Jumper Misconfiguration: Stock 330780 Proximitor factory default system length setting reads 5 m, not the unit’s 4 m extension length; incorrect values create permanent static offset in thrust position trending data.❗ Terminal / Cable Incompatibility: Do not pair with 8mm XL or 75 Ω NSv extension cables; differing triaxial/coaxial capacitance distorts high-frequency large-range vibration waveforms and triggers persistent channel fault flags.❗ Power Supply Mismatch: Each full 4-meter 11mm XL transducer stack draws 130 mA at 24 V DC; calculate total rack power draw with a mandatory 20% load headroom to avoid low-voltage trips during equipment startup transients.❗ ESD Damage: Low-humidity winter cabinet air raises static discharge risk by 3.7x. Place a dedicated anti-static foam mat under the rack before disconnecting or seating the unit’s ClickLoc connectors.Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
Compatibility Matrix
- 330190-040-00-CN → 330780 Series NEPSI Certified 11mm XL Proximitor : Direct — 75 Ω 11mm XL impedance match, zero adapter hardware required
- 330190-040-00-CN → 330180 8mm XL Proximitor : Incompatible — 8mm triaxial capacitance values break 11mm linear calibration
- 330190-040-00-CN → 330190-040-01-CN : Needs Adaptation — Stainless steel armored variant, extra cable protection conduit hardware mandatory for abrasive routing zones
Benchmarks
- Signal propagation delay: 0.04 μs per meter (75 Ω triaxial ETR factory construction)
- System linear error contribution: ≤0.15% full span (24 V DC supply, 25 °C controlled ambient)
- Connector lock cycle durability: 1,000 mate/unmate cycles with no impedance shift exceeding 0.10 Ω
