8 mm Proximity Probes | 330191-00-70-20-CN Bently Nevada

Bently Nevada 330191-00-70-20-CN Hazardous Area Proximity Probe

🔍 Configuration Decryption

330191-00-70-20-CN identifies:

• 20: 2.0m FEP cable (6.6ft) with 0.28dB/m signal loss
• CN: GB/T 3836-2017 + NEPSI Ex ia IIC T4 certified
• 70: 177.8mm 304 SST case with 14.3mm thread engagement
• 00: Unarmored industrial configuration

⚡ Precision Power Specifications

• -26 Vdc operational ceiling (-23.5 Vdc linearity threshold)
• 7.88Ω ±0.5 @ 25°C ambient temperature
• <1.6 mV/V power supply rejection ratio
• 50Ω output with ±0.5% linearity deviation

🏭 Robust Mechanical Design

• 8mm PPS tip with 2.0mm radial encapsulation wall
• 3/8-24 UNF thread (9.525mm Ø) MIL-SPEC compliant
• 323 g/m mass density (11.4 oz/ft)
• 0.565N·m torque limit on gold-plated connectors

📜 China Compliance Details

• NEPSI Certification No. CNEx17.1593X
• GB/T 3836.1-2010 Explosive Atmosphere Protection
• AQSIQ 2018-3215 Quality Inspection Standard
• CCC Mark (Cert. No. 2023010789002565)

🌡️ Thermal Performance Data

• T1 Rating: Continuous operation from -55°C to +232°C
• Viton® O-ring maintains seal integrity @ 220°C
• PFA insulation withstands 260°C thermal spikes
• EPL Ga/Dc dual certification for hazardous zones

📦 Factory Direct Advantages

• Vacuum-sealed in Faraday cage packaging
• Complete Chinese compliance documentation
• 12-month zero-defect warranty
• Optional 302 SST armor with IP69K rating

⚠️ Critical Installation Parameters

• Requires >23 Vdc via intrinsic safety barriers
• 4× cable diameter bend radius (24mm minimum)
• Mandatory BN 3300-series compatible components
• Post-installation dielectric strength verification