Overview:

The Bently Nevada 330876-02-10-01-05 Proximity Probe is specifically designed for precision measurements in harsh environments, particularly for steam turbine differential expansion (DE) monitoring. Featuring robust construction, this probe excels in extreme temperature and vibration conditions, ensuring reliable performance over time.

Technical Specifications:

• Manufacturer: Bently Nevada
• Model: 3300 XL 50 mm Proximity Probe
• Product Number: 330876-02-10-01-05
• Thread Type: M14x1.5 (Metric)
• Total Length: 1.0 metre (3.3 feet)
• Armor Option: High-Temperature FluidLoc Cable with Armor
• Agency Approval: Multiple Approvals
• Weight: 0.59 Kg
• Power Requirements:
  • -17.5 Vdc to -26 Vdc (without barriers)
  • -23 Vdc to -26 Vdc (with barriers)
• Output Resistance: 50 Ω
• Extension Cable Capacitance: 69.9 pF/m (21.3 pF/ft)
• Linear Range: 1.3 mm (50 mils) to 29.2 mm (1150 mils)
• Scale Factor: 394 mV/mm (10 mV/mil) nominal
• Deviation from Best Fit Line: Less than ±0.74 mm (±29 mils)
• Temperature Range:
  • Probe: -35°C to +120°C (-31°F to +248°F)
  • Sensor and cable: -35°C to +65°C (-31°F to +149°F)
• Recommended Target Size: 102 mm (4.0 in) diameter
• Extension Cable Material: 75 Ω triaxial, PFA insulated FluidLoc cable

FAQ:

• What is the purpose of the Bently Nevada 3300 XL 50 mm probe?
  • The probe is designed for continuous differential expansion (DE) monitoring in steam turbines and other critical rotating machinery.
• Can this probe be used in harsh environments?
  • Yes, the probe is engineered to operate in extreme conditions, withstanding temperatures up to 250°C (482°F) and protecting against moisture.
• What is the difference between the straight exit and side exit probe options?
  • The straight exit probe has a single exit for cable routing, while the side exit version offers dual mounting holes for flexible installation.
• What type of cable is used for the extension?
  • The extension cable is made from high-quality FluidLoc cable, ensuring durability in extreme temperatures.
• Does the probe come with any protective features?
  • Yes, the probe is equipped with Viton O-rings for sealing and includes disposable connector protectors to prevent contamination.