Bently Nevada 330709-000-040-10-01-00 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-040-10-01-00 is a 3300 XL 11 mm proximity probe, designed for accurate measurement of shaft vibration and position in critical rotating machinery. Manufactured in the U.S.A., this probe features an M16 x 1.5 thread, a 40 mm overall case length, and a 1.0 meter total length. It is equipped with a miniature coaxial ClickLoc connector and standard cable, ensuring secure and reliable connections. The probe is part of the 3300 XL series, known for its advanced performance and durability in industrial environments.

Technical Parameters

• Model: 330709-000-040-10-01-00
• Probe Type: 3300 XL 11 mm Proximity Probe
• Thread Size: M16 x 1.5
• Unthreaded Length: 0 mm
• Overall Case Length: 40 mm
• Total Length: 1.0 meter (3.3 feet)
• Connector: Miniature coaxial ClickLoc with connector protector
• Cable: Standard, 75 Ω triaxial, FEP insulated
• Probe DC Resistance: 5.9 ± 0.5 ohms (for 1.0 m length)
• 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)
• Maximum Torque (case): 63.3 N•m (560 in•lb) rated, 21.1 N•m (187 in•lb) recommended
• Connector-to-Connector Torque: Finger tight recommended, max 0.565 N•m (5 in•lb)
• Minimum Bend Radius: 25.4 mm (1.0 in)

Parameter Analysis

The 330709-000-040-10-01-00 is engineered for high accuracy and stability. The 11 mm probe diameter provides excellent linearity and sensitivity for vibration monitoring. The M16 x 1.5 thread allows secure mounting, with a maximum thread engagement of 24 mm. The probe’s DC resistance is tightly controlled at 5.9 ± 0.5 ohms, ensuring consistent performance. The PPS tip and stainless steel case offer robust construction, while the FEP-insulated cable provides excellent electrical insulation and temperature resistance. The probe is designed to operate over a wide temperature range, making it suitable for harsh industrial conditions.

Application Scenarios

This proximity probe is ideal for monitoring vibration and axial position in critical rotating machinery such as turbines, compressors, pumps, and other rotating equipment. It is commonly used in applications requiring precise shaft displacement measurement, including:

• Steam and gas turbines
• Centrifugal and axial compressors
• Industrial pumps
• Electric motors and generators
• Gearboxes and other rotating assets

Installation Guide

Proper installation is critical for accurate measurements. Follow these guidelines:

1. Mount the probe using the M16 x 1.5 thread. Ensure the thread engagement does not exceed 24 mm.
2. Apply the recommended torque of 21.1 N•m (187 in•lb) to the probe case. Do not exceed the maximum rated torque of 63.3 N•m (560 in•lb).
3. Connect the ClickLoc connector by hand, tightening finger tight. Do not use tools; maximum torque is 0.565 N•m (5 in•lb).
4. Maintain a minimum bend radius of 25.4 mm (1.0 in) for the cable to prevent damage.
5. Ensure the target surface is flat and has a minimum diameter of 30.5 mm (1.2 in) for optimal performance. For shaft applications, the minimum recommended shaft diameter is 152 mm (6.0 in).

Compatibility

The 330709-000-040-10-01-00 is compatible with Bently Nevada 3300 XL series monitoring systems, including 3300/3500 racks and associated proximitors and extension cables. It is designed to work with standard 75 Ω triaxial cables and ClickLoc connectors. For detailed compatibility, refer to the official service manual.

Maintenance Advice

Regular inspection and maintenance ensure long service life:

• Periodically check the probe tip and cable for damage or wear.
• Verify that the connector is secure and free from corrosion.
• Keep the probe and cable clean, avoiding exposure to excessive moisture or chemicals.
• Monitor the probe’s DC resistance periodically; deviations from 5.9 ± 0.5 ohms may indicate a problem.
• Follow the temperature guidelines: avoid prolonged exposure below -34°C (-30°F) to prevent pressure seal failure.

Procurement Advice

When purchasing the Bently Nevada 330709-000-040-10-01-00, ensure it matches your system requirements. Verify the total length, connector type, and thread size. Consider ordering spare probes to minimize downtime. Always source from authorized distributors to guarantee genuine parts and warranty support.

FAQ

1. What is the total length of the 330709-000-040-10-01-00?

The total length is 1.0 meter (3.3 feet).

2. What is the thread size of this probe?

The thread size is M16 x 1.5.

3. Can this probe be used in hazardous areas?

Yes, the probe has temperature classifications for hazardous areas (EPL Ga, Gc, Dc) as per the temperature schedule provided in the manual.

4. What is the recommended mounting torque?

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

5. What is the operating temperature range?

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