Bently Nevada 330709-000-070-50-02-05 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-070-50-02-05 is a 3300 XL 11 mm Proximity Probe, designed for high-performance eddy-current displacement and vibration measurement. Manufactured in the U.S.A., this probe is part of the 3300 XL series, offering enhanced linearity and improved accuracy for machinery protection and condition monitoring. The model 330709-000-070-50-02-05 features a 5.0-meter cable, M16 x 1.5 thread, and miniature coaxial ClickLoc connector, making it suitable for a wide range of industrial applications.

Technical Parameters

• Probe Length: 5.0 meters (16.4 feet)
• Unthreaded Length: 0 mm
• Overall Case Length: 70 mm
• Thread: M16 x 1.5
• Connector: Miniature coaxial ClickLoc
• Cable Type: Standard, 75 Ω triaxial, FEP insulated
• Probe DC Resistance (RPROBE): 7.2 ± 0.8 ohms
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Agency Approvals: Multiple Approvals

Parameter Analysis

The 330709-000-070-50-02-05 is designed for use with a 5-meter Proximitor sensor only, ensuring matched system performance. The probe’s DC resistance of 7.2 ± 0.8 ohms is critical for accurate signal transmission. The recommended minimum target size is 30.5 mm (1.2 in) for flat surfaces and 152 mm (6.0 in) for shaft diameter, ensuring reliable measurements. The probe case torque for M16x1.5 is 63.3 N•m (560 in•lb), and the connector-to-connector torque should be finger tight, with a maximum of 0.565 N•m (5 in•lb). The minimum bend radius is 25.4 mm (1.0 in), and the maximum thread engagement length is 24 mm.

Application Scenarios

This proximity probe is ideal for monitoring vibration and axial position in critical rotating machinery such as turbines, compressors, pumps, and electric motors. It is commonly used in oil & gas, power generation, petrochemical, and manufacturing industries. The 330709-000-070-50-02-05 provides accurate, real-time data for machinery protection systems, helping to prevent catastrophic failures and reduce downtime.

Installation Guide

Install the 330709-000-070-50-02-05 probe with the recommended torque of 63.3 N•m (560 in•lb) for the M16x1.5 thread. Ensure the target surface meets the minimum size requirements. Route the cable with a minimum bend radius of 25.4 mm to avoid damage. Connect the ClickLoc connector to the extension cable, tightening finger tight only, with a maximum torque of 0.565 N•m (5 in•lb). Verify the probe gap according to the system calibration.

Compatibility

This probe is compatible with Bently Nevada 3300 XL systems that use 5-meter Proximitor sensors. It is designed to work with the 3300 XL 11 mm Proximitor and standard extension cables. The miniature coaxial ClickLoc connector ensures secure and reliable connections.

Maintenance Advice

Regularly inspect the probe and cable for physical damage. Keep the probe tip clean and free of contaminants. Avoid exposing the probe to temperatures below -34°C (-30°F) as this may cause premature failure of the pressure seal. Check connector tightness periodically, but do not over-torque.

Procurement Advice

When ordering the 330709-000-070-50-02-05, ensure it matches your system requirements, especially the cable length and connector type. Verify the agency approvals needed for your region. Purchase from authorized distributors like TenBN to guarantee genuine Bently Nevada products and technical support.

FAQ

What is the cable length of the 330709-000-070-50-02-05?

The total length is 5.0 meters (16.4 feet).

What is the thread size?

M16 x 1.5.

What is the operating temperature range?

-52°C to +177°C (-62°F to +351°F).

Can this probe be used with a 1-meter Proximitor?

No, it is designed for use with a 5-meter Proximitor sensor only.

What is the recommended torque for the probe case?

63.3 N•m (560 in•lb).