Bently Nevada 330709-000-030-90-12-05 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-030-90-12-05 is a 3300 XL 11 mm Proximity Probe, designed for precise vibration and position measurements in critical rotating machinery. This model features a 9.0-meter (29.5 feet) total length, a miniature coaxial ClickLoc connector with FluidLoc cable, and multiple agency approvals, ensuring robust performance in demanding industrial environments.

Technical Parameters

• Model: 330709-000-030-90-12-05
• Unthreaded Length: 0 mm
• Overall Case Length: 30 mm
• Total Length: 9.0 meters (29.5 feet)
• Connector: Miniature coaxial ClickLoc, FluidLoc cable
• Agency Approval: Multiple Approvals
• Probe DC Resistance: 8.5 ± 1.1 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
• Probe Case Thread: M16 x 1.5
• Maximum Thread Engagement: 24 mm
• Probe Case Torque: Recommended 21.1 N•m (187 in•lb), Maximum 63.3 N•m (560 in•lb)
• Connector-to-connector torque: Finger tight (recommended), max 0.565 N•m (5 in•lb)
• Minimum Bend Radius: 25.4 mm (1.0 in)
• Operating and Storage Temperature: -52°C to +177°C (-62°F to +351°F)

Parameter Analysis

The 330709-000-030-90-12-05 probe offers a 9-meter length, ideal for installations where the monitor is distant from the measurement point. The miniature coaxial ClickLoc connector ensures secure and reliable connections, while the FluidLoc cable provides excellent resistance to fluids and contaminants. The M16 x 1.5 thread and 30 mm case length allow for standard mounting. The probe’s DC resistance of 8.5 ± 1.1 ohms ensures accurate signal transmission. The PPS tip and stainless steel case provide durability in harsh environments.

Application Scenarios

This proximity probe is widely used for vibration and position monitoring in rotating machinery such as turbines, compressors, pumps, and other critical equipment. It is suitable for both radial and axial shaft measurements, helping to prevent machine damage and unplanned downtime.

Installation Guide

Proper installation is crucial for accurate readings. Ensure the probe is mounted with the recommended torque of 21.1 N•m (187 in•lb) for the M16x1.5 case. 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 (1.0 in) for the cable. The target surface should be flat with a minimum diameter of 30.5 mm (1.2 in), and the shaft diameter should be at least 152 mm (6.0 in) to avoid cross-talk limitations.

Compatibility

The 330709-000-030-90-12-05 is part of the 3300 XL series and is compatible with Bently Nevada 3300 and 3500 monitoring systems. It works with standard extension cables and proximitors designed for 3300 XL probes.

Maintenance Advice

Regularly inspect the probe and cable for damage, especially at connection points. Keep the probe tip clean and free from debris. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature failure of the pressure seal. Periodically verify the DC resistance to ensure signal integrity.

Procurement Advice

When ordering the 330709-000-030-90-12-05, confirm the total length and connector type match your system requirements. Ensure you have the correct extension cable and proximitor for your monitoring system. Consider purchasing spare probes to minimize downtime.

FAQ

What is the total length of this probe?

The total length is 9.0 meters (29.5 feet).

What type of connector does it use?

It uses a miniature coaxial ClickLoc connector with 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 approved for hazardous areas?

Yes, it has multiple approvals, including temperature classifications for various EPLs.

Can I use this probe with a 3500 monitoring system?

Yes, it is compatible with Bently Nevada 3300 and 3500 systems.