330101-00-09-15-12-CN | Bently Nevada 8 mm Probe 1.5 m Cable

Introduction to the Bently Nevada 330101-00-09-15-12-CN

In the evolution of industrial machinery monitoring, the need for reliable, precise vibration measurement has grown steadily. The 330101-00-09-15-12-CN from Bently Nevada addresses this demand as part of the 3300 XL series. This 8 mm probe, featuring a 3/8-24 UNF thread and a 1.5-meter cable, is designed for robust performance in harsh environments. With a patented TipLoc molding method and CableLoc design, it offers enhanced durability and a pull strength of 330 N (75 lbf).

Key Features and Technical Specifications

• Probe Type: 3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor.
• Total Length: 1.5 meters (4.9 feet).
• Connector: Miniature coaxial ClickLoc connector with FluidLoc cable.
• Linear Range: 2 mm (80 mils), from 0.25 to 2.3 mm (10 to 90 mils).
• Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ±5% for standard 5 or 1 meter systems.
• Probe DC Resistance: 7.73 ± 0.50 Ω for 1.5 m length.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Case Material: AISI 303 or 304 stainless steel.
• Operating Temperature: -52°C to +177°C (-62°F to +350°F) for standard probe.

These specifications ensure accurate and repeatable measurements, critical for predictive maintenance and machine protection.

Real-World Applications

In rotating machinery such as turbines, compressors, and pumps, the 330101-00-09-15-12-CN provides essential shaft vibration monitoring. Its robust design withstands high temperatures and pressures, making it suitable for oil and gas, power generation, and petrochemical industries. The FluidLoc cable option prevents oil leakage, enhancing safety in lubrication systems.

Installation and Setup

Proper mounting is crucial for accurate readings. The probe uses a 3/8-24 UNF thread with a maximum thread engagement of 0.563 inches. Recommended torque for standard forward-mounted probes is 11.2 N•m (100 in•lbf), with a maximum of 33.9 N•m (300 in•lbf). For the first three threads, recommended torque is 7.5 N•m (66 in•lbf) with a maximum of 22.6 N•m (200 in•lbf). Field wiring should use 0.2 to 1.5 mm² (16 to 24 AWG) three-conductor shielded triad cable, with a maximum length of 305 meters (1,000 feet) between the Proximitor Sensor and monitor.

Maintenance and Reliability

Regular inspection of the probe and cable for physical damage ensures long-term reliability. The probe is designed to withstand humidity up to 93% with less than 3% change in Average Scale Factor (ASF) over 56 days. The stainless steel case and PPS tip resist corrosion and wear, reducing downtime and replacement costs. For extended temperature ranges, the probe tip can operate up to +218°C (+425°F).

Compatibility and Integration

The 330101-00-09-15-12-CN is compatible with Bently Nevada 3300 XL Proximitor Sensors and monitoring systems. It integrates seamlessly into existing vibration monitoring architectures, supporting standard 5 or 1 meter system configurations. For extended temperature range systems, the Incremental Scale Factor remains within ±6.5%.

Frequently Asked Questions

Q: What is the linear range of the 330101-00-09-15-12-CN?

A: The linear range is 2 mm (80 mils), starting at approximately 0.25 mm (10 mils) from the target.

Q: What is the recommended gap setting for radial vibration?

A: The recommended gap setting is -9 Vdc, approximately 1.27 mm (50 mils).

Q: What is the probe DC resistance for the 1.5 meter version?

A: The nominal probe DC resistance is 7.73 ± 0.50 Ω.

Q: What is the maximum operating temperature for the standard probe?

A: The standard probe operates from -52°C to +177°C (-62°F to +350°F).

Q: What type of connector does the 330101-00-09-15-12-CN use?

A: It uses a miniature coaxial ClickLoc connector with FluidLoc cable.

Product Support and Availability

The Bently Nevada 330101-00-09-15-12-CN is available from Petro Auto Tech. Contact us for current stock and lead times. Please verify lifecycle status before ordering.