330876-03-50-00-00 Bently Nevada | 50 mm Proximity Probe

Overview

The Bently Nevada 3300 XL 50 mm Proximity Probe (Product No. 330876-03-50-00-00) is designed for high-precision measurement in demanding environments such as steam turbines. Manufactured in the U.S.A, this probe is built to endure extreme conditions with its robust construction and advanced features.

Features:

• High Temperature Resistance: The probe operates in temperatures up to 200°C (392°F) continuously and can withstand intermittent temperatures up to 250°C (482°F).
• Advanced Cable Protection: Equipped with High Temperature FluidLoc cable and ClickLoc connectors, it prevents moisture ingress and ensures reliable operation.
• Durability: Designed with both front and rear seals, the probe ensures optimal performance even in harsh steam turbine environments.
• Precision Measurement: The probe offers a linear range of 27.9 mm (1100 mils) and an average scale factor (ASF) of 394 mV/mm (10 mV/mil), providing accurate and stable readings.

Technical Specifications:

• Model: Bently Nevada 3300 XL 50 mm Proximity Probe
• Brand: Bently Nevada
• Product Number: 330876-03-50-00-00
• Total Length: 5.0 meters (16.4 feet)
• Probe Case Type: Smooth 1.99 in dia - Side Exit (03)
• Armor Option: High Temperature FluidLoc Cable (0 0)
• Power Supply: Requires -17.5 Vdc to -26 Vdc (without barriers); operates at -23 Vdc to -26 Vdc with barriers.
• Output Resistance: 50 Ω
• Extension Cable Capacitance: 69.9 pF/m (21.3 pF/ft)
• Field Wiring: 0.2 to 1.5 mm² (16 to 24 AWG)
• Linear Range: 27.9 mm (1100 mils), starts at ~1.3 mm (50 mils)
• Deviation from Best Fit: < ±0.74 mm (±29 mils)
• Target Size: Recommended minimum 102 mm (4.0 in) diameter flat target

Applications:

• Steam Turbines: Ideal for measurement in extreme conditions such as steam turbines, where high temperatures and harsh environmental factors are prevalent.
• Rotating Machinery: Suitable for monitoring and providing feedback on machinery health in a variety of industrial applications.

FAQ:

• What is the maximum temperature tolerance for this probe?
  • The 3300 XL 50 mm probe can continuously operate in temperatures up to 200°C (392°F) and handle intermittent temperatures up to 250°C (482°F).
• How should the cable be routed?
  • The probe’s ClickLoc connector allows easy cable routing through tight clearances and ensures a secure connection.
• What is the recommended target size?
  • The probe works best with a minimum target size of 102 mm (4.0 in) in diameter.