Bently Nevada 21505-22-55-10-02 | 8 mm Proximity Probe

Bently Nevada 21505-22-55-10-02 Vibration Probe

Technical Specifications

• Range: 0.25 mm to 2.0 mm (10-80 mils)
• Accuracy: ±0.06 mm (±2.3 mils) with interchangeability
• Output: 200 mV/mil linear signal
• Power: -17.5 to -26 VDC at 12 mA max
• Frequency: DC to 10 kHz (-5% at 10 kHz)
• Probe Temp: -34°C to +177°C (-30°F to +350°F)
• Shock Rating: 50g peak (11ms duration)

Model Configuration (21505-22-55-10-02)

• 21505-22: 2.2-inch unthreaded section
• 55: 5.5-inch case length
• 10: 1.0-meter armored cable
• 02: Miniature coaxial connector

Industrial Use Cases

• Wind turbine gearbox vibration analysis
• Aircraft engine rotor balance monitoring
• Oil refinery centrifugal compressor protection
• High-speed train axle vibration detection

Problem-Solving Features

• Resists sulfuric acid exposure in chemical plants
• Operates at -34°C in Arctic oil pipelines
• Detects micro-cracks in power plant turbines
• Survives 50g shocks in mining equipment

Installation Notes

• Target Material: Ferromagnetic steel (SAE 1018+)
• Surface Finish: 0.8-1.6 μm Ra required
• Mounting Angle: ±5° from perpendicular
• Cable Bend Radius: Minimum 25mm

System Compatibility

• GE Bently Nevada 3500/3300 series
• ABB Ability™ System 800xA
• Honeywell Experion® PKS

Package Details

• Factory-sealed vibration probe
• Stainless steel armored cable (1m)
• EMI/RFI shielding kit
• Installation torque wrench

Shipping & Support

• Global express delivery options
• 12-month manufacturing warranty
• 24/7 vibration analysis support