8 mm Proximity Probes | 330191-40-75-90-CN Bently Nevada

Bently Nevada 330191-40-75-90-CN Proximity Probes: Premium Performance & Durability

🔍 Core Specifications & Identification

Model: 3300 XL 8 mm ETR Probe | Part Number: 330191-40-75-90-CN
Suffix Breakdown:
• 40 = 4.0" Unthreaded Length
• 75 = 7.5" Overall Case Length
• 90 = 9.0m Total System Length (29.5ft)
• CN = Country-Specific Agency Approval

⚡ Enhanced Technical Features

Power Requirements:
• Operational Voltage: -17.5Vdc to -26Vdc
• Barrier-Protected Voltage: -23Vdc to -26Vdc
• Current Draw: ≤12mA

Advanced Signal Integrity:
• Output Resistance: 50Ω ±1%
• Probe DC Resistance: 9.87Ω ±0.50Ω @9m length
• Voltage Stability: <2mV/V supply variation sensitivity

🏭 Industrial-Grade Construction

Material Certification:
• Probe Tip: PPS Plastic (8mm rugged encapsulation)
• Case: AISI 303/304 Stainless Steel
• Connectors: Gold-Plated Brass/BeCu (0.565N•m torque limit)

Mechanical Resilience:
• Pull Strength: 330N (75lbf) via CableLoc system
• Cable Options: Standard FEP or High-Temp PFA insulation
• Weight: 323g/m (11.4oz/ft) with stainless steel armor option

🌡️ Precision Temperature Performance

EPL Ga/Gc Ratings:
• T1 Class: -55°C to +232°C
• T4 Class: -55°C to +80°C

EPL Dc Hazardous Area:
• T280°C Rating: 232°C Ambient Capability
• T105°C Rating: 40°C Ambient Limit

🔧 Installation & Compatibility

Thread Specifications:
• 3/8-24 UNF Thread (0.563" max engagement)
• FluidLoc Option: IP68 Equivalent Sealing

System Integration:
• Requires Bently Nevada Extension Cables
• Optimized for 3300 XL Proximitor Systems
• 1m Systems: Direct Connection (No extension)

✅ Quality Assurance & Support

Factory Warranty: 12-Month Full Coverage
• New & Original: Factory-Sealed Packaging
• Compliance: Meets ATEX/IECEx Standards
• Documentation: Includes Drawing 140979 for non-incendive circuits

⚠️ Critical Note: Probes ship with Viton® O-Ring Seals but are not pressure-tested before shipment. Always verify 330191-40-75-90-CN suffix compatibility with local regulations.