Bently Nevada 330876-01-90-00-RU | 3300 XL Proximity Probe

Overview

The Bently Nevada 3300 XL 50 mm Proximity Probe (Part Number: 330876-01-90-00-RU) is engineered to endure harsh conditions, particularly in steam turbine environments. Its high-temperature capability, up to 200°C (392°F) with intermittent operation up to 250°C (482°F), ensures reliable performance in demanding applications.

Technical Specifications

Brand: Bently Nevada
Model: 3300 XL 50 mm Proximity Probe
Part Number: 330876-01-90-00-RU

Model and Suffix Codes

• Model: 330876 – 3300 XL 50 mm Proximity Probe
• Case Type Option: -01 – Straight Exit with ½-20 Thread
• Total Length Option: -90 – 9.0 meters (29.5 feet)
• Armor Option: -00 – High Temperature FluidLoc Cable
• Approval Option: -RU – Country-Specific

Performance Parameters

• Linear Range: 27.9 mm (1100 mils) starting at approximately 1.3 mm (50 mils) from the target.
• Power Requirements: -17.5 Vdc to -26 Vdc; max consumption at 12 mA.
• Average Scale Factor (ASF): 394 mV/mm (10 mV/mil) nominal.
• Output Resistance: 50 Ω.
• Extension Cable Capacitance: 69.9 pF/m (21.3 pF/ft) typical.
• Field Wiring: Supports 0.2 to 1.5 mm² (16 to 24 AWG) triad shielded cable.

Environmental Specifications

• Operating Temperature Range: -35°C to +120°C (-31°F to +248°F).
• System Accuracy: DSL within ±2.03 mm (±80 mils) over specified temperature ranges.
• Recommended Target Size: Minimum diameter of 102 mm (4.0 inches).

Materials

• Probe Cable: Perfluoroalkoxyethylene (PFA) insulation with High-Temperature FluidLoc cable.

FAQ

1. What environments are suitable for the 3300 XL 50 mm probe?
It is designed for steam turbine and high-temperature applications, withstanding continuous operation up to 200°C (392°F) and intermittent exposure up to 250°C (482°F).

2. What kind of thread and exit styles are available?
Straight exit with ½-20 English threads or M14x1.5 metric threads are provided. Side exit probes include rear mounting holes for versatile installation.

3. How does the FluidLoc cable enhance durability?
The FluidLoc cable prevents moisture ingress, ensuring long-term reliability in harsh conditions.

4. Is this probe pressure-tested before shipment?
Standard probes are not pressure-tested. Contact Bently Nevada for customized pressure testing requirements.