Bently Nevada 330707-00-30-90-02-00 Proximity Probe Sensor

Bently Nevada 3300 XL 11 mm Proximity Probe 330707-00-30-90-02-00

Product Introduction

The Bently Nevada 330707-00-30-90-02-00 belongs to the trusted 3300 XL series, which is widely known for its precision in measuring shaft vibration, thrust position, and eccentricity in rotating machinery. This specific 3300 XL 11 mm Proximity Probe is an eddy-current sensor designed for non-contact measurement. It works seamlessly with Bently Nevada proximity systems to provide critical protection and monitoring data for turbines, compressors, and pumps. Consequently, it helps maintenance teams prevent costly unplanned downtime. This model is manufactured in the U.S.A. and comes without armor, making it suitable for standard installation environments.

Technical Specifications

Probe Configuration

The Bently Nevada 330707-00-30-90-02-00 has a specific configuration that defines its physical dimensions and connectivity.

• Thread Type: 5/8-18 UNF

• Unthreaded Length Option: 0.0 inches.

• Overall Case Length Option: 3.0 inches.

• Total Length Option: 9.0 meters, which equals approximately 29.5 feet.

• Connector and Cable-Type Option: Miniature coaxial ClickLoc connector with standard cable.

Material and Construction

High-quality materials are essential for sensor longevity and accuracy. Therefore, this proximity probe is built with durable components.

• Probe Tip Material: Polyphenylene sulfide (PPS). This provides excellent insulation and resistance to harsh chemicals.

• Probe Case Material: AISI 304 stainless steel (SST). This offers robust protection against corrosion and physical damage.

• Probe Cable Specification: It utilizes a 75 Ω triaxial, fluoroethylene propylene (FEP) insulated cable.

Electrical and Environmental Ratings

The performance of this sensor is reliable across a wide range of conditions.

• Operating and Storage Temperature: -51°C to +177°C (-60°F to +351°F).

• Probe dc Resistance: The resistance from the center conductor to the outer conductor (RPROBE) at 9.0 meters length is 8.5 ± 1.1 ohms.

• Pressure Capability: The probe is designed to seal differential pressure between the tip and case using a Viton O-ring.

Mechanical and Installation Data

Mounting and Torque Specifications

Proper installation is crucial for optimal performance. Specifically, please follow these torque guidelines.

• Case Thread: 5/8-18 UNF.

• Maximum Length of Thread Engagement: 0.938 inches.

• Probe Case Torque (Maximum Rated): 45.2 N•m (400 in•lb).

• Probe Case Torque (Recommended): 15.2 N•m (133 in•lb).

• Connector-to-Connector Torque (Recommended): Finger tight.

• Connector-to-Connector Torque (Maximum): 0.565 N•m (5 in•lb).

• Minimum Bend Radius: 25.4 mm (1.0 inch), with or without SST armor.

Temperature Considerations

Furthermore, it is important to note a critical temperature detail. Exposing the probe to temperatures below -34°C (30°F) may cause premature failure of the pressure seal. Therefore, always consider the environmental conditions during installation.

Installation and Application Guide

Step-by-Step Installation Tips

First, inspect the probe and cable for any signs of damage from shipping. Next, verify that the target surface meets the required finish and material specifications for the 3300 XL system. Then, thread the probe case into the mounting hole using the recommended torque of 15.2 N•m to avoid damaging the threads. Finally, connect the ClickLoc connector to the extension cable, ensuring it is finger-tight and secure.

Common Applications

This Bently Nevada proximity probe is an ideal choice for monitoring radial vibration, thrust position, and shaft eccentricity. Specifically, it is frequently used in steam and gas turbines, compressors, gearboxes, and pumps. Additionally, its long 9.0-meter cable provides flexibility for routing in large machinery installations, simplifying the connection to remote junction boxes.

Packaging List

The following items are included in the box for this Bently Nevada 330707-00-30-90-02-00 order. Please inspect all components upon receipt.

1. Bently Nevada 3300 XL 11 mm Proximity Probe (Model: 330707-00-30-90-02-00)

2. Mounting hardware and locknut (if applicable).

3. Product documentation and installation guide.

4. Calibration certificate (traceable to NIST).

Shipping Information

We ship all orders via world-class couriers to ensure safe and timely delivery. Therefore, standard shipping methods include FedEx, UPS, and DHL. Please note that delivery times may vary based on the final destination and customs clearance procedures.

Frequently Asked Questions (FAQ)

1. What is the length of the cable on the Bently Nevada 330707-00-30-90-02-00?
This model features a total probe length of 9.0 meters, which is equivalent to approximately 29.5 feet. This is specified by the '90' option in the part number.

2. What type of connector does this proximity probe use?
The Bently Nevada 330707-00-30-90-02-00 uses a Miniature coaxial ClickLoc connector. This connector provides a secure and reliable connection for the standard FEP cable.

3. What is the recommended torque for installing the probe case?
The recommended torque for installing the 5/8-18 UNF probe case is 15.2 N•m (133 in•lb). The maximum rated torque is 45.2 N•m (400 in•lb). Please adhere to these specifications to prevent damage.

4. Is this 3300 XL probe suitable for high-pressure applications?
While the 3300 XL probe is designed with a Viton O-ring to seal differential pressure, it is not pressure tested prior to shipment. Therefore, if your application requires a specific pressure test, you must contact the custom design department.

5. What is the temperature range for this Bently Nevada sensor?
The operating and storage temperature range for this Bently Nevada sensor is -51°C to +177°C (-60°F to +351°F). However, be aware that exposure to temperatures below -34°C (30°F) can compromise the pressure seal.