Bently 330180-A51-B00 Proximity Transducer System

Technical Specifications

• Sensor Probe:
  • Type: 8mm eddy current (non-contact)
  • Linear Range: 0.25–2.3mm (0.010–0.090 inches)
  • Sensitivity: 200 mV/mil (7.87 V/mm) ±5%
  • Frequency Response: 0–10 kHz
  • Operating Temperature: -50°C to +218°C (high-temperature version)
  • Thread Size: M10 x 1
  • Housing Material: Stainless steel (IP67 rated for dust and water resistance)
• Extension Cable:
  • Length: 5 meters (standard configuration; customizable up to 9 meters)
  • Connector Type: Micro-coaxial ClickLoc™ (gold-plated for corrosion resistance)
  • Shielding: Multi-stage shielding for EMI/RFI immunity
  • Operating Temperature: -50°C to +218°C
• Proximity Transducer Module:
  • Input: Compatible with 8mm eddy current sensors
  • Output Signal: Voltage proportional to gap (for displacement measurement)
  • Power Supply: -17.5 VDC to -26 VDC (12 mA max current)
  • Operating Temperature: -20°C to +70°C
  • Certifications: API 670, ATEX, IECEx, CSA/NRTL/C (for hazardous areas)
  • Self-Diagnostic: Monitors coil impedance to detect probe aging, cable faults, or excessive gap (triggers alarms like E015)

Functional Characteristics

• High-Precision Measurement: Detects micron-level displacement changes for early fault detection in critical machinery.
• Non-Contact Design: Uses eddy current technology to measure without physical contact, eliminating wear and interference.
• Extended Temperature Range: Operates reliably in extreme environments, from cryogenic conditions to high-temperature applications.
• Robust Construction: Stainless steel probe housing and IP67 rating ensure resistance to high pressure, chemicals, and physical impact.
• Wide Frequency Response: Captures both low-frequency (e.g., imbalance) and high-frequency (e.g., bearing defects) vibrations.
• Interchangeability: Supports probe, cable, and transducer module replacement without matching or bench calibration.
• Self-Diagnostic Capability: Continuously monitors system health to prevent unplanned downtime.

Application Scenarios

• Power Generation: Monitors vibration in steam turbines, gas turbines, generators, and excitation systems operating in high-temperature environments.
• Petrochemical: Protects compressors, pumps, and expanders from vibration-induced failures in explosive zones (e.g., Class I Div 1).
• Metallurgy: Manages health of blast furnace blowers, sintering fans, rolling mill motors, and gearboxes exposed to extreme heat and dust.
• Marine & Offshore: Safeguards propulsion systems and critical machinery on ships and drilling platforms operating in harsh conditions.
• Aerospace: Used in aviation engines and spacecraft for vibration monitoring during extreme temperature cycles.
• Water Treatment: Controls pump vibration levels in high-temperature water treatment processes to prevent cavitation.
• Renewable Energy: Monitors vibration in geothermal power plants and solar thermal systems with elevated operating temperatures.

Key Advantages

• Early Fault Detection: Identifies equipment imbalance, misalignment, and bearing wear before catastrophic failure occurs.
• Extended Equipment Lifespan: Non-contact measurement reduces mechanical losses, and high-temperature resistance ensures long-term stability.
• Reduced Maintenance Costs: Interchangeable components and easy installation shorten maintenance time and lower spare part costs.
• Global Compliance: Meets international safety and performance standards for use in hazardous and extreme environments.
• Seamless Integration: Compatible with Bently Nevada’s System 1 and other monitoring platforms for centralized data analysis and predictive maintenance.