Bently Nevada 330105-02-12-20-12-CN 3300 XL Reverse Mount Probe

Bently Nevada 330105-02-12-20-12-CN 3300 XL Reverse Mount Probe

Welcome to Global PLC Spare HUB's Insight. Industrial reliability depends on precise vibration monitoring, and the Bently Nevada 330105-02-12-20-12-CN delivers exceptional performance. Part of the advanced 3300 XL Series, this 330105-02-12-20-12-CN reverse mount probe ensures accurate machinery health diagnostics in demanding industrial environments. Engineers rely on the 330105-02-12-20-12-CN for continuous shaft vibration and position measurements.

Technical Specifications

• Brand: Bently Nevada
• Model/Part Number: 330105-02-12-20-12-CN
• Product Series: 3300 XL Series
• Product Type: 330105-02-12-20-12-CN Reverse Mount Probes
• Total Length Option: 2.0 meters (6.6 feet)
• Connector Type: Miniature ClickLoc coaxial connector with FluidLoc cable
• Thread Size: 3/8-24 with 0.563 in maximum thread engagement
• Probe DC Resistance: 7.88 ± 0.50 Ω from center conductor to outer conductor
• Operating Temperature Range: -52°C to +177°C for standard probes
• Extended Temperature Range: Up to +218°C for probe tip and +260°C for cable and connector
• Relative Humidity Tolerance: Less than 3% change in Average Scale Factor at 93% humidity
• Dimensions: 20.4 cm x 22.2 cm x 3.7 cm
• Weight: 0.23 Kg (Probe weight 323 g/m)

Installation Guide

1. Verify thread dimensions before mounting the 330105-02-12-20-12-CN into the machine housing.
2. Apply proper torque to the 3/8-24 thread up to the 0.563 in maximum engagement limit.
3. Ensure the Viton O-ring creates a reliable pressure seal between the probe tip and case.
4. Route the Miniature ClickLoc coaxial cable carefully, avoiding sharp bends that exceed minimum bend radii.
5. Connect the probe to the approved proximitor sensor while maintaining proper system grounding.

Commissioning, Maintenance, and Compatibility

Commissioning the 330105-02-12-20-12-CN requires verifying dc gap voltages using a digital multimeter. Technicians should confirm that initial readings align with standard machinery baseline parameters. Routine maintenance involves inspecting the coaxial connector for moisture or oil ingress. The 330105-02-12-20-12-CN maintains full compatibility with standard 3300 XL 8 mm extension cables and monitoring systems.

Certifications and Environmental Compliance

• Hazardous Area Approvals: Intrinsically safe zener barriers and galvanic isolators support Class I, Zone 0 and Class I, Division 2 locations.
• Explosion Protection Ratings: AEx/Ex ia IIC T5...T1 Ga and AEx/Ex ec IIC T5...T1 Gc compliance.
• Standards: Conforms to IEC standard 68 2 3 for humidity resistance.

Shipping, Logistics, and Warranty Terms

Global PLC Spare HUB dispatches the 330105-02-12-20-12-CN within 24-48 hours. Reliable logistics partners including FedEx, UPS, and DHL ensure secure global delivery. Every unit undergoes rigorous technical verification prior to shipment and includes a comprehensive 12-month warranty.

Typical Applications and Diagnostic Capabilities

• Application 1: Monitoring radial vibration on large steam and gas turbines.
• Application 2: Measuring axial thrust position on centrifugal compressors.
• Diagnostic Capability: Detects rotor unbalance, shaft misalignment, and bearing wear before catastrophic failure occurs.

Frequently Asked Questions

What causes premature failure of the pressure seal on the 330105-02-12-20-12-CN?

Exposing the probe to temperatures below -34°C may compromise the Viton O-ring and cause premature seal failure.

Is the FluidLoc cable option mandatory for standard installations?

The FluidLoc cable option remains unnecessary for most installations because the probe sleeve already provides adequate fluid containment.

How do field engineers troubleshoot erratic output signals from this probe?

Engineers verify coaxial cable integrity, check connector cleanliness, and measure DC resistance to confirm values remain near 7.88 Ω.

Expert Buying Guide

Selecting the correct proximity probe prevents costly downtime. Match the thread size, length option, and hazardous area rating of the 330105-02-12-20-12-CN to your specific turbine or compressor specification. Global PLC Spare HUB recommends reviewing temperature schedules carefully when applying the 330105-02-12-20-12-CN in high-heat environments.

Why Buy From Global PLC Spare HUB?

• 20+ years industrial automation spare parts experience
• Global shipment support via FedEx, UPS, and DHL
• 24-48 hour fast dispatch
• 12-month warranty on all items
• Technical verification before shipment
• Support for obsolete and hard-to-find control systems

Tags