Product Short Description
This cable provides stable signal connection between field proximity probes and on-site proximitor modules, transmitters and monitoring system interface modules. It adopts high-performance double-shielded twisted pair structure, original dedicated BNC connector, low signal attenuation, excellent anti-interference performance and high temperature resistance. It maintains complete system sensitivity, linearity and signal integrity of original probe measurement. It fully complies with API 670 international machinery protection standards. It is the standard official matching extension component for rotating machinery shaft vibration, axial thrust position and keyphasor speed/phase monitoring systems.
Description
Basic Identification Parameters
- Brand: Bently Nevada
- Part Number: 330780-51-00
- Product Series: 3300 XL NSv Probe Extension Cable
- Product Type: Non-Armored Flexible Signal Extension Cable
- Origin: United States
- Product Weight: 145 g
- Factory Warranty Period: 12 months original factory warranty
- Protection Grade: IP67
- Certifications: CE, UL, CSA, ATEX/IECEx Hazardous Area Certification, API 670 Compliant
Mechanical & Cable Specifications
- Total Cable Length: 5 meters
- Cable Structure: Double-shielded twisted pair dedicated industrial signal cable (non-armored standard flexible type)
- Inner Conductor: High-purity oxygen-free copper conductor
- Inner Insulation: High-temperature halogen-free flame-retardant cross-linked polyethylene
- Shield Layer: Composite double shielding (copper foil inner shield + tinned copper braid outer shield)
- Outer Sheath: Oil-resistant, water-resistant, high-temperature resistant polyurethane elastomer
- Probe Side Connector: Original Bently Nevada standard BNC male plug connector
- Monitor Side Termination: Stripped & tinned flying lead bare wire termination
- Applicable Probe Models: All 3300 XL NSv 8 mm proximity probes & keyphasor probes
- Minimum Bending Radius: 25 mm
- Cable Diameter: 6.8 mm
Electrical & Signal Transmission Specifications
- Characteristic Impedance: 95–105 Ω, fully matched with 3300 XL NSv system impedance
- Signal Attenuation: ≤0.4 dB at full 8 kHz frequency band
- Insulation Resistance: ≥100 MΩ @ 500 V DC
- Withstand Voltage: 1500 V AC / 60 seconds
- Compatible Frequency Response Range: 5 Hz – 8000 Hz
- System Sensitivity Retention: 100% maintains original probe 7.87 mV/μm system sensitivity
- Signal Distortion: Zero waveform distortion, negligible phase delay within rated length
- Loop Capacitance: ≤85 pF/m
Environmental Specifications
- Operating Temperature Range: -40 ℃ to +125 ℃
- Storage Temperature Range: -55 ℃ to +150 ℃
- Operating Humidity: 0%–100% RH, condensing environment allowed
- Shock Resistance: 50 g peak shock survivability
- Continuous Vibration Resistance: 15 g peak anti-vibration performance
- Electromagnetic Compatibility: Fully meets industrial EMC anti-interference standards
- Environmental Adaptability: Oil-resistant, water-resistant, chemical corrosion-resistant, halogen-free flame-retardant
Core Functional Features
- 100% Original Factory Matching Design
Official dedicated extension cable for 3300 XL NSv system, fully matched electrical impedance, mechanical interface and signal parameters with original probes.
- 5 Meter Standard Extension Length
Most commonly used on-site extension length, perfectly matches standard installation distance between probe mounting hole and proximitor cabinet.
- High-Performance Double-Shielded Architecture
Composite dual shielding completely suppresses industrial electromagnetic interference, ground loop noise and common-mode signal interference.
- Original Dedicated BNC Male Connector
Precision gold-plated BNC connector, tight locking connection, stable contact, anti-loosening, anti-vibration and easy plug/unplug operation.
- Ultra-Low Attenuation High Signal Integrity
High-purity oxygen-free copper conductor ensures complete retention of probe dynamic vibration signal, DC gap voltage and keyphasor pulse signal quality.
- High-Temperature Flame-Retardant Flexible Material
Soft flexible cable body, easy wiring and layout; halogen-free high-temperature resistant material adapts to harsh industrial environments.
- Zero Performance Degradation Transmission
Does not change probe linear range, sensitivity, frequency response and measurement accuracy of the entire monitoring system.
- Full System Compatibility
Seamlessly connects probes, proximitors, transmitters and all Bently Nevada monitoring systems.
Applicable Application Scenarios
- Power generation industry: Steam turbines, gas turbines, turbo-generator shaft vibration & speed monitoring
- Petroleum & petrochemical industry: Centrifugal compressors, process pumps, fans, offshore platform rotating machinery
- Chemical industry: Large high-speed compressors, reciprocating machinery, high-speed gearboxes
- Metallurgy, cement & mining industry: Rotary kilns, grinding mills, large high-speed rotating equipment
- Water conservancy & wastewater treatment: Large vertical pumps, circulating water pump units
- Marine industry: Ship propulsion machinery and auxiliary rotating power equipment
- Hazardous area industrial sites with ATEX/IECEx certification requirements
- OEM machinery manufacturing and industrial predictive maintenance condition monitoring systems
System Compatibility
- Fully compatible with Bently Nevada 3300 XL NSv series 8 mm proximity probes and keyphasor probes
- Perfectly matches 3300 XL NSv proximitors, 990/991 series transmitters, 97199-01 keyphasor interface modules
- Fully compatible with 3500 Series, 1701 Series FieldMonitor, 2300 Series monitoring systems
- Seamlessly connects to System 1 diagnostic analysis platform, PLC, DCS and SCADA control systems
- Fully complies with API 670 international machinery protection standard requirements
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