Bently Nevada 330709-000-030-90-11-05 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-030-90-11-05 is a 3300 XL 11 mm Proximity Probe, engineered for precise measurement of shaft vibration and axial position in critical rotating machinery. This model features an M16 x 1.5 thread, a 9.0-meter (29.5 feet) FluidLoc cable with miniature coaxial ClickLoc connector, and multiple agency approvals. It is manufactured in the U.S.A. and designed to meet the demanding requirements of industrial applications.

Technical Parameters

• Probe Length: 9.0 meters (29.5 feet)
• Probe DC Resistance (center to outer conductor): 8.5 ± 1.1 ohms
• Thread: M16 x 1.5
• Maximum Thread Engagement: 24 mm
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel
• Cable: 75 Ω triaxial, FEP insulated, FluidLoc type
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Recommended Probe Case Torque: 21.1 N•m (187 in•lb)
• Maximum Connector Torque: 0.565 N•m (5 in•lb)
• Minimum Bend Radius: 25.4 mm (1.0 in)

Parameter Analysis

The 330709-000-030-90-11-05 is configured for a 9.0-meter cable length, providing flexibility in mounting distances. The M16 x 1.5 thread ensures secure installation, while the PPS tip offers durability. The probe’s DC resistance of 8.5 ± 1.1 ohms ensures consistent signal transmission. The FluidLoc cable and ClickLoc connector provide reliable, vibration-resistant connections. The temperature range of -52°C to +177°C makes it suitable for harsh environments.

Application Scenarios

This proximity probe is ideal for monitoring vibration and axial position in turbines, compressors, pumps, and other rotating machinery. It is commonly used in oil & gas, power generation, and industrial process industries to prevent catastrophic failures and optimize maintenance schedules.

Installation Guide

Install the probe with the recommended torque of 21.1 N•m (187 in•lb) for the M16 x 1.5 case. Ensure the thread engagement does not exceed 24 mm. Connect the ClickLoc connector finger-tight, then tighten to a maximum of 0.565 N•m (5 in•lb). Maintain a minimum bend radius of 25.4 mm for the cable. For optimal performance, follow the guidelines for target size: minimum flat surface diameter of 30.5 mm and minimum shaft diameter of 152 mm.

Compatibility

The 330709-000-030-90-11-05 is part of the 3300 XL series and is compatible with Bently Nevada 3300 and 3500 monitoring systems. It is designed to work with 3300 XL proximitors and extension cables. Multiple approvals ensure compliance with various international standards.

Maintenance Advice

Regularly inspect the probe cable and connector for damage. Keep the probe tip clean and free of debris. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature failure of the pressure seal. Periodically verify the probe’s DC resistance to ensure it remains within specification.

Procurement Advice

When ordering the Bently Nevada 330709-000-030-90-11-05, confirm that the model number matches your requirements, especially the cable length and connector type. Ensure that the probe is sourced from an authorized channel like TenBN to guarantee authenticity and warranty. Consider stocking spare probes for critical machinery to minimize downtime.

FAQ

What is the operating temperature range?

The operating and storage temperature range is -52°C to +177°C (-62°F to +351°F).

What is the maximum thread engagement?

The maximum length of thread engagement is 24 mm.

What is the recommended torque for installation?

The recommended probe case torque is 21.1 N•m (187 in•lb).

Can this probe be used with 3500 monitoring systems?

Yes, the 3300 XL probe is compatible with both 3300 and 3500 monitoring systems when used with appropriate proximitors.

What is the minimum shaft diameter for reliable measurement?

The recommended minimum shaft diameter is 152 mm (6.0 inches).