Bently Nevada 330709-050-120-10-02-00 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-050-120-10-02-00 is a 3300 XL 11 mm proximity probe, part of the 3300 XL series. It is designed for non-contact vibration and position measurement of rotating machinery. This probe features an M16 x 1.5 thread, a 50 mm unthreaded length, a 120 mm overall case length, and a 1.0 meter total length. It comes with a miniature coaxial ClickLoc connector and standard cable, without armor. The probe is manufactured in the U.S.A. and meets stringent quality standards.

Technical Parameters

• Model: 330709-050-120-10-02-00
• Probe Type: 3300 XL 11 mm Proximity Probe
• Thread: M16 x 1.5
• Unthreaded Length: 50 mm
• Overall Case Length: 120 mm
• Total Length: 1.0 meter (3.3 feet)
• Connector: Miniature coaxial ClickLoc
• Cable: Standard, 75 Ω triaxial, FEP insulated
• Probe DC Resistance: 5.9 ± 0.5 ohms
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel
• Operating Temperature: -52°C to +177°C
• Storage Temperature: -52°C to +105°C
• Relative Humidity: 100% condensing, non-submersible
• Recommended Torque: 21.1 N•m (187 in•lb) for case, finger tight for connector

Parameter Analysis

The 330709-050-120-10-02-00 is engineered for accuracy and durability. The 11 mm probe diameter provides excellent linearity and sensitivity for vibration monitoring. The DC resistance of 5.9 ± 0.5 ohms ensures consistent performance. The probe is designed to withstand harsh environments with a wide temperature range and high humidity resistance. The PPS tip and stainless steel case offer corrosion resistance and mechanical strength.

Application Scenarios

This proximity probe is ideal for monitoring vibration and position in critical rotating machinery such as turbines, compressors, pumps, and other industrial equipment. It is commonly used in applications requiring precise shaft vibration measurement, eccentricity monitoring, and thrust position measurement. The 330709-050-120-10-02-00 is suitable for use in refineries, power plants, and manufacturing facilities.

Installation Guide

Proper installation is crucial for accurate readings. The probe should be mounted with the recommended torque of 21.1 N•m (187 in•lb) for the case. The connector should be finger tight, with a maximum torque of 0.565 N•m (5 in•lb). Ensure the minimum bend radius of 25.4 mm (1.0 in) is maintained for the cable. The probe tip should be positioned at the correct gap as per the system requirements. Refer to the service manual for detailed installation procedures.

Compatibility

The 330709-050-120-10-02-00 is compatible with Bently Nevada 3300 XL systems, including 3300 XL 11 mm proximity transducers and associated monitors. It works with standard extension cables and proximitors. Ensure compatibility with your specific monitoring system before installation.

Maintenance Advice

Regular inspection of the probe and cable is recommended. Check for any physical damage, contamination, or loose connections. Clean the probe tip with a soft cloth if necessary. Avoid exposing the probe to temperatures below -34°C (-30°F) as it may affect the pressure seal. Periodically verify the probe’s resistance to ensure it remains within specification.

Procurement Advice

When purchasing the Bently Nevada 330709-050-120-10-02-00, ensure it is sourced from an authorized channel like TenBN to guarantee authenticity and warranty. Verify the model number and specifications against your requirements. Consider ordering spare probes to minimize downtime. Check the service manual for any additional accessories needed.

FAQ

What is the total length of the probe?

The total length is 1.0 meter (3.3 feet).

What type of connector does it use?

It uses a miniature coaxial ClickLoc connector.

What is the recommended mounting torque?

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

Can this probe be used in hazardous areas?

The agency approval option is ‘Not required’, so it may not have intrinsic safety certifications. Check with Bently Nevada for hazardous area approvals.

What is the operating temperature range?

The operating temperature range is -52°C to +177°C.