Bently Nevada 330709-000-230-90-11-00 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-230-90-11-00 is a 3300 XL 11 mm Proximity Probe, designed for precise measurement of shaft vibration and position in critical rotating machinery. Manufactured in the U.S.A., this probe features a M16 x 1.5 thread, a 230 mm overall case length, and a 9.0 meter (29.5 feet) total length. It is equipped with a miniature coaxial ClickLoc connector with connector protector and FluidLoc cable, ensuring secure and reliable connections. The probe is part of the 3300 XL series, known for its advanced performance and durability.

Technical Parameters

• Model: 330709-000-230-90-11-00
• Probe Type: 3300 XL 11 mm Proximity Probe
• Thread: M16 x 1.5
• Unthreaded Length: 0 mm
• Overall Case Length: 230 mm
• Total Length: 9.0 meters (29.5 feet)
• Connector: Miniature coaxial ClickLoc with connector protector, FluidLoc cable
• Agency Approval: Not required
• Probe DC Resistance: 8.5 ± 1.1 ohms (from center conductor to outer conductor)
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel (SST)
• Probe Cable: 75 Ω triaxial, fluoroethylene propylene (FEP) insulated
• Probe Case Torque (Recommended): 21.1 N•m (187 in•lb)
• Connector-to-Connector Torque: Finger tight (recommended), 0.565 N•m (5 in•lb) maximum
• Minimum Bend Radius: 25.4 mm (1.0 in)
• Maximum Length of Thread Engagement: 24 mm
• Operating and Storage Temperature: -52°C to +177°C (-62°F to +351°F)

Parameter Analysis

The 330709-000-230-90-11-00 probe offers a DC resistance of 8.5 ± 1.1 ohms, ensuring accurate signal transmission. The recommended minimum target flat surface diameter is 30.5 mm (1.2 in), and the recommended minimum shaft diameter is 152 mm (6.0 in) to avoid cross-talk limitations. The probe case is made of AISI 304 stainless steel for corrosion resistance, and the tip is PPS for durability. The operating temperature range of -52°C to +177°C makes it suitable for harsh industrial 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 critical applications where reliable condition monitoring is essential to prevent machine failure and unplanned downtime.

Installation Guide

Install the probe with the recommended torque of 21.1 N•m (187 in•lb) for the M16x1.5 case. Ensure the thread engagement does not exceed 24 mm. The connector should be finger tight, with a maximum torque of 0.565 N•m (5 in•lb). Maintain a minimum bend radius of 25.4 mm for the cable. Follow the manufacturer’s guidelines for proper gap and mounting to ensure accurate readings.

Compatibility

This probe is compatible with Bently Nevada 3300 XL system components, including extension cables and proximity transducers. It is designed to work with standard 3300 XL monitor racks and can be used with appropriate proximitor models.

Maintenance Advice

Regularly inspect the probe and cable for damage. Keep the probe tip clean and free from contaminants. Ensure connectors are properly tightened and protected. Avoid exposing the probe to temperatures below -34°C (-30°F) as this may cause premature failure of the pressure seal. Periodically verify the probe’s DC resistance to ensure it remains within specification.

Procurement Advice

When ordering, verify the exact model number 330709-000-230-90-11-00 to ensure correct configuration. Confirm compatibility with your existing monitoring system. Consider purchasing spare probes to minimize downtime. Check the agency approval requirements for your specific application.

FAQ

What is the total length of the probe?

The total length is 9.0 meters (29.5 feet).

What type of connector does this probe use?

It uses a miniature coaxial ClickLoc connector with connector protector and FluidLoc cable.

What is the operating temperature range?

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

Is this probe suitable for use in hazardous areas?

The probe has temperature classifications for EPL Ga, Gc, and Dc, but agency approval is not required for this option. Check with your safety engineer for specific hazardous area requirements.

What is the recommended minimum shaft diameter?

The recommended minimum shaft diameter is 152 mm (6.0 in) to avoid cross-talk limitations.