Proximity Probes | 330191-00-70-20-00 | Bently Nevada

Bently Nevada 330191-00-70-20-00 Industrial Vibration Probe

🔧 Configuration Decoder

330191-00-70-20-00 specifies:

• 20: 2.0-meter FEP cable (6.6ft) with 75Ω impedance
• 70: 7-inch (177.8mm) 303/304 SST housing
• 00: Standard industrial use (no certifications required)
• 0.0" unthreaded section for full case engagement

⚡ Power & Signal Parameters

• -26 Vdc maximum input voltage
• 7.88Ω ±0.5 DC resistance @ 2m length
• 50Ω output with 0.02dB/m signal loss
• <23.5 Vdc for maintained linearity

🏗️ Mechanical Architecture

• 3/8-24 UNF thread (9.53mm major Ø)
• 8mm PPS tip with 1.2mm encapsulation wall
• 323 g/m mass density (11.4 oz/ft)
• 0.565N·m connector torque limit

🌐 Environmental Compliance

• T1 temperature rating (-55°C to +232°C)
• EPL Ga/Gc hazardous area approval
• IP64 equivalent particulate protection
• MIL-STD-202G vibration tested

📏 Dimensional Accuracy

• 2.0m integrated cable - no extensions needed
• 0.563" (14.3mm) thread engagement depth
• 330N/270N tensile ratings (probe/connector)
• ±0.1mm tip concentricity tolerance

📦 Factory-Sealed Package

• Original 3300 XL probe in ESD-safe packaging
• 12-month warranty against manufacturing defects
• Installation drawing 140979 compliance
• Optional SST armor available (302/304 grade)

⚠️ Critical Installation Notes

• Requires >23 Vdc with intrinsic safety barriers
• Non-pressure-tested Viton® seal assembly
• 3:1 safety margin on tensile specifications
• BN-certified extension cables mandatory

🔌 Connector Specifications

• Gold-over-beryllium copper contacts
• 10,000+ mating cycles durability rating
• 75Ω impedance matching (±1.5%)
• 270N retention force at junctions