Bently Nevada 330709-000-030-90-12-00 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-030-90-12-00 is a 3300 XL 11 mm Proximity Probe, designed for precise measurement of shaft vibration and position in industrial rotating equipment. This model features an M16 x 1.5 thread, a 0 mm unthreaded length, a 30 mm overall case length, and a 9.0-meter (29.5 feet) total length. Equipped with a miniature coaxial ClickLoc connector and FluidLoc cable, it ensures secure and reliable connections. Manufactured in the U.S.A., this probe is part of the trusted 3300 XL series, known for its accuracy and durability.

Technical Parameters

• Model: 330709-000-030-90-12-00
• Probe Type: 3300 XL 11 mm Proximity Probe
• Thread: M16 x 1.5
• Unthreaded Length: 0 mm
• Overall Case Length: 30 mm
• Total Length: 9.0 meters (29.5 feet)
• Connector: Miniature coaxial ClickLoc
• Cable: FluidLoc cable
• 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
• Cable Specification: 75 Ω triaxial, FEP insulated
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Recommended Torque: 21.1 N•m (187 in•lb)
• Minimum Bend Radius: 25.4 mm (1.0 in)

Parameter Analysis

The 330709-000-030-90-12-00 offers a 9.0-meter cable length, ideal for installations where the monitor is located at a distance from the measurement point. The 11 mm probe diameter provides excellent linearity and sensitivity for vibration monitoring. The PPS tip and stainless steel case ensure resistance to harsh environments. The miniature coaxial ClickLoc connector allows for quick and secure attachment, while the FluidLoc cable prevents fluid ingress, enhancing reliability.

Application Scenarios

This proximity probe is widely used in critical rotating machinery such as turbines, compressors, pumps, and other industrial equipment. It is essential for monitoring shaft vibration, axial position, and eccentricity, helping 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). 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). Maintain a minimum bend radius of 25.4 mm (1.0 in) for the cable. Use finger-tight torque for connector-to-connector connections, with a maximum of 0.565 N•m (5 in•lb).

Compatibility

The 330709-000-030-90-12-00 is compatible with Bently Nevada 3300 XL monitoring systems, including 3500 series racks and modules. It works with standard extension cables and proximity transducers. Ensure the total system length matches the specified 9.0 meters for accurate calibration.

Maintenance Advice

Regularly inspect the probe tip and cable for damage or contamination. Clean the probe tip with a soft cloth and appropriate solvent if needed. Check connector tightness periodically. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature failure of the pressure seal.

Procurement Advice

When ordering, verify the model number 330709-000-030-90-12-00 to ensure it meets your specifications. Confirm the total length, connector type, and agency approval requirements. Purchase from authorized Bently Nevada channels like TenBN to guarantee genuine parts and technical support.

FAQ

Q: What is the operating temperature range?

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

Q: What is the recommended torque for installation?

A: The recommended torque is 21.1 N•m (187 in•lb).

Q: Can this probe be used with 3500 series monitors?

A: Yes, it is compatible with Bently Nevada 3300 XL and 3500 series systems.

Q: What is the minimum target size?

A: For a flat surface, the minimum diameter is 30.5 mm (1.2 in). For shafts, the minimum diameter is 152 mm (6.0 in).

Q: What is the probe DC resistance?

A: The resistance is 8.5 ± 1.1 ohms.