Bently Nevada 330709-000-040-10-02-05 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-040-10-02-05 is a 3300 XL 11 mm proximity probe designed for accurate shaft vibration and position measurements in critical rotating machinery. This model features an M16 x 1.5 thread, a 40 mm overall case length, and a 1.0 meter standard cable with a miniature coaxial ClickLoc connector. It is manufactured in the U.S.A. and carries multiple agency approvals, ensuring compliance with international standards.

Technical Parameters

• Probe DC Resistance: 5.9 ± 0.5 ohms (center to outer conductor)
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel
• Probe Cable: 75 Ω triaxial, FEP insulated, 1.0 m length
• Probe Case Thread: M16 x 1.5, max engagement 24 mm
• Recommended Torque: 21.1 N•m (187 in•lb), max 63.3 N•m (560 in•lb)
• Connector Torque: Finger tight (max 0.565 N•m)
• Minimum Bend Radius: 25.4 mm (1.0 in)
• Temperature Range: -52°C to +177°C (operating and storage)

Parameter Analysis

The 330709-000-040-10-02-05 offers a low DC resistance of 5.9 ohms, ensuring minimal signal loss. The PPS tip provides excellent durability, while the stainless steel case withstands harsh industrial environments. The M16 x 1.5 thread allows secure mounting with a recommended torque of 21.1 N•m, preventing over-tightening damage. The 1.0 m cable length is ideal for installations where the probe is close to the extension cable junction.

Application Scenarios

This proximity probe is widely used in turbomachinery, including steam turbines, gas turbines, compressors, and pumps. It is also suitable for general rotating machinery monitoring, such as motors and gearboxes, to measure radial vibration and axial position. The 330709-000-040-10-02-05 is compatible with Bently Nevada 3300 XL systems and 3500 monitoring systems.

Installation Guide

Install the probe with the recommended torque of 21.1 N•m (187 in•lb). Ensure the target surface is flat and has a minimum diameter of 30.5 mm (1.2 in) for flat surfaces, or a shaft diameter of at least 152 mm (6.0 in) to avoid cross-talk limitations. Maintain a minimum bend radius of 25.4 mm for the cable. Connect the miniature coaxial ClickLoc connector to the extension cable, tightening finger tight only.

Compatibility

This probe is part of the 3300 XL series and is compatible with Bently Nevada 3300 and 3500 monitoring systems. It works with standard 3300 XL extension cables and proximitors. The ClickLoc connector ensures a secure, quick connection.

Maintenance Advice

Periodically inspect the probe tip for damage or contamination. Clean the tip with a soft cloth and isopropyl alcohol if needed. Check the cable for cuts or abrasions. Verify the connector is tight (finger tight) and free of corrosion. Avoid exposing the probe to temperatures below -34°C (-30°F) as this may cause premature failure of the pressure seal.

Procurement Advice

When ordering the 330709-000-040-10-02-05, verify the part number to ensure it matches your system requirements. Confirm the cable length (1.0 m) and connector type (miniature coaxial ClickLoc). Consider purchasing spare probes for critical machinery to minimize downtime. Always source from authorized Bently Nevada channels to guarantee genuine parts and warranty support.

FAQ

Q1: What is the temperature range for this probe?

The probe operates and stores from -52°C to +177°C (-62°F to +351°F).

Q2: What is the recommended torque for installation?

The recommended torque is 21.1 N•m (187 in•lb), with a maximum of 63.3 N•m (560 in•lb).

Q3: Can this probe be used with 3500 monitoring systems?

Yes, the 330709-000-040-10-02-05 is compatible with Bently Nevada 3500 systems when used with appropriate extension cables and proximitors.

Q4: What is the minimum target size?

For flat surfaces, the minimum recommended diameter is 30.5 mm (1.2 in). For shafts, the minimum recommended diameter is 152 mm (6.0 in).

Q5: What approvals does this probe have?

The model includes multiple approvals (option 05), making it suitable for various hazardous area installations.