The GE / Bently Nevada 330930-065-00-00 is a 6.5-meter NSv extension cable engineered to extend proximity probe signal transmission in the 3300 XL NSv Proximity Transducer System. Built with 75 Ω coaxial construction and FEP insulation, this cable delivers reliable signal integrity across demanding machinery monitoring applications—from centrifugal compressors to process gas equipment operating in tight installation geometries.
## Technical Specifications
**Cable Specifications**
• Length: 6.5 meters (21.3 feet)
• Impedance: 75 Ω coaxial
• Insulation: Fluoroethylene propylene (FEP)
• Jacket: Fluoroethylene propylene (FEP)
• DC Resistance (center conductor): 0.220 Ω/m (0.067 Ω/ft)
• DC Resistance (shield): 0.066 Ω/m (0.020 Ω/ft)
• Capacitance: 69.9 pF/m (21.3 pF/ft) typical
• Scale Factor: 7.87 V/mm (200 mV/mil) typical
• Weight: Approximately 0.3 kg (0.66 lbs) or 45 g/m (0.5 oz/ft)
**Environmental Performance**
• Operating Temperature: -51°C to +177°C (-60°F to +351°F)
• Storage Temperature: -51°C to +177°C (-60°F to +351°F)
• Relative Humidity: 100% condensing (nonsubmersible with protected connectors)
## Key Features
• Unarmored design for installations requiring minimal profile
• Low-loss coaxial transmission for accurate signal fidelity
• Extended reach capability addresses space-constrained machinery installations
• Operates across wide temperature extremes suitable for industrial process environments
## Typical Applications
• Centrifugal and refrigeration compressors
• Process gas compressor monitoring
• Radial vibration and position measurement
• Axial thrust position monitoring
• Tachometer and zero-speed detection
• Phase reference (Keyphasor) signal transmission
• Counter bore, sideview, and rearview mounting restrictions
• Small target applications (shafts <51 mm diameter; axial position targets <15 mm)
## Compatibility & Integration
Designed for the Bently Nevada 3300 XL NSv Proximity Transducer System. Backwards compatible with 3300 RAM transducer systems, and replaces 3000-series and 7000-series 190 transducer configurations. Upgrades from 3300 RAM systems can utilize existing probes and monitoring equipment.
