Bently Nevada 330709-000-080-50-01-05 3300 XL 11 mm Proximity Probe

Product Introduction

The Bently Nevada 330709-000-080-50-01-05 is a 3300 XL 11 mm Proximity Probe, designed for precise measurement of shaft vibration and position in rotating machinery. Manufactured in the U.S.A., this probe features an M16 x 1.5 thread, a 0 mm unthreaded length, an 80 mm overall case length, and a 5.0-meter cable. It is intended for use with the five-meter Proximitor Sensor only. The miniature coaxial ClickLoc connector with connector protector ensures secure and reliable connections. This model carries multiple agency approvals, making it suitable for a wide range of industrial applications.

Technical Parameters

• Model: 330709-000-080-50-01-05
• Probe Length: 5.0 meters (16.4 feet)
• Probe DC Resistance: 7.2 ± 0.8 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
• Thread: M16 x 1.5
• Maximum Thread Engagement: 24 mm
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Recommended Torque: 21.1 N•m (187 in•lb)
• Maximum Torque: 63.3 N•m (560 in•lb)
• Connector-to-Connector Torque: Finger tight (max 0.565 N•m)
• Minimum Bend Radius: 25.4 mm (1.0 in)
• Target Size (Flat Surface): Recommended minimum 30.5 mm diameter
• Shaft Diameter: Recommended minimum 152 mm

Parameter Analysis

The 5.0-meter cable length is optimized for use with a 5-meter Proximitor, ensuring proper impedance matching and signal integrity. The probe’s DC resistance of 7.2 ± 0.8 ohms is a key specification for verifying cable and sensor health. The PPS tip provides durability and chemical resistance, while the stainless steel case offers corrosion resistance. The temperature range allows operation in harsh environments, but note that exposure below -34°C may affect the pressure seal. The recommended torque values prevent damage during installation.

Application Scenarios

This proximity probe is ideal for monitoring vibration and axial position in turbines, compressors, pumps, and other rotating machinery. It is commonly used in critical applications such as steam turbines, gas turbines, centrifugal compressors, and large pumps where reliable condition monitoring is essential. The 3300 XL series is widely deployed in power generation, oil & gas, petrochemical, and other process industries.

Installation Guide

Install the probe with the recommended torque of 21.1 N•m (187 in•lb) for M16x1.5 threads. Ensure the target surface meets the minimum size requirements: 30.5 mm diameter for flat surfaces and 152 mm shaft diameter. Maintain a minimum bend radius of 25.4 mm for the cable. Connect the ClickLoc connector securely, finger tight, and do not exceed 0.565 N•m torque. Verify the probe’s DC resistance to ensure proper installation.

Compatibility

This probe is designed for use with Bently Nevada 3300 XL system components, specifically the 5-meter Proximitor Sensor. It is compatible with 3300 XL monitoring systems and can be used with extension cables and other accessories that meet the 3300 XL specifications.

Maintenance Advice

Regularly inspect the probe tip and cable for damage. Check the DC resistance periodically to detect any degradation. Ensure that the probe is not exposed to temperatures below -34°C, as this may cause premature failure of the pressure seal. Clean the probe tip with a soft cloth if contamination is present.

Procurement Advice

When ordering the Bently Nevada 330709-000-080-50-01-05, verify the model number to ensure it matches your requirements. Confirm the cable length and connector type. Consider purchasing from authorized distributors to guarantee genuine parts and warranty support. Keep spare probes in stock to minimize downtime.

FAQ

What is the cable length of this probe?

The total length is 5.0 meters (16.4 feet).

What is the operating temperature range?

The probe operates from -52°C to +177°C.

What is the recommended torque for installation?

Recommended torque is 21.1 N•m (187 in•lb).

Can this probe be used with any Proximitor?

No, it is designed for use with the five-meter Proximitor Sensor only.

What is the minimum target size?

For flat surfaces, the recommended minimum diameter is 30.5 mm; for shafts, the recommended minimum diameter is 152 mm.