Metric | 330904-08-15-70-01-05 Bently Nevada – 3300 NSv Proximity Probes

Bently Nevada 330904-08-15-70-01-05 3300 NSv Proximity Probe

Model Structure (330904-08-15-70-01-05 )

• Model: 330904 – 3300 NSv Probe, M8X1 thread, with armor
• Unthreaded Length: 08 – 8 mm
• Overall Case Length: 15 – 150 mm
• Total Probe Length: 70 – 7.0 meters (23 feet)
• Connector Type: 01 – Miniature coaxial ClickLoc with protector
• Agency Approval: 05 – Multiple Approvals

Technical Parameters

• Measurement Range: Linear range 0.25 to 1.75 mm (10 to 70 mils)
• Accuracy: ±0.06 mm deviation over linear range
• Output Signal: 7.87 V/mm (200 mV/mil) with ±20% interchangeability
• Frequency Response: 0 to 10 kHz with up to 305 m of cable
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Probe Resistance: 5.9 ± 0.9 ohms at 7.0 m length
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: Stainless Steel AISI 304
• Probe Cable: 75 Ω coaxial FEP insulated, length options available
• Minimum Bend Radius: 25.4 mm (1 inch)

Installation Guide

• Recommended torque: finger tight; max torque 0.56 N·m (5 in·lb)
• Maximum probe case torque: 7.3 N·m (65 in·lb); recommended 5.1 N·m (45 in·lb)
• Thread engagement max length: 12 mm for M8x1
• Recommended gap setting: 1.0 mm (40 mils)

Compatibility & Application

• Fully compatible with Bently Nevada 3300 RAM probes and extensions
• Increased chemical resistance ideal for process compressors
• Better side-view response than 3000-series 190 probes
• Used in industrial plants for shaft vibration monitoring and precise shaft position sensing

Industrial Use Cases and Solutions

• Continuous shaft vibration monitoring in gas compressors to prevent failures
• Accurate gap sensing on small shafts in pumps, turbines, and motors
• Extended cable length supports remote monitoring up to 7 meters
• Helps reduce downtime by early fault detection and reliable data transmission