330910-16-23-10-02-00 Bently Nevada 3300 NSv Proximity Probe

Introduction to the 330910-16-23-10-02-00

In the world of industrial rotating machinery, the ability to accurately measure shaft vibration and position is critical. Over the years, proximity probe systems have evolved to meet the demands of higher temperatures, harsher chemicals, and tighter clearances. The 330910-16-23-10-02-00 from Bently Nevada represents a significant step forward in this evolution, combining the proven 3300 NSv platform with enhanced chemical resistance and improved side-view characteristics.

This specific configuration, the 330910-16-23-10-02-00, is a 3300 NSv Probe with an M10X1 thread and armor. It features a 0 mm unthreaded length, a 230 mm overall case length, and a 1.0 meter total length. The miniature coaxial ClickLoc connector ensures a secure and reliable connection, while the standard cable provides flexibility in routing. This probe is designed for use in process compressor applications where chemical exposure is a concern.

Key Features and Technical Specifications

The 330910-16-23-10-02-00 is engineered for precision and durability. Below are the key specifications that define its performance:

• Model: 3300 NSv Probe, M10X1 thread, with armor
• Unthreaded Length: 0 mm
• Overall Case Length: 230 mm
• Total Length: 1.0 meter (39 inches)
• Connector: Miniature coaxial ClickLoc connector, standard cable
• Agency Approval: Not required
• Probe DC Resistance: 4.2 ± 0.5 ohms (center conductor to outer conductor)
• Extension Cable DC Resistance: Center conductor 0.220 Ω/m, Shield 0.066 Ω/m
• Extension Cable Capacitance: 69.9 pF/m typical
• Linear Range: 1.5 mm (60 mils), from 0.25 to 1.75 mm (10 to 70 mils)
• Recommended Gap Setting: 1.0 mm (40 mils)
• Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) +12.5%/-20%
• Deviation from Best Fit Straight Line (DSL): Less than ±0.06 mm (±2.3 mils)
• Frequency Response: 0 to 10 kHz: +0, -3 dB typical
• Target Size (flat target): Minimum 8.9 mm (0.35 in) diameter; Recommended minimum 13 mm (0.5 in) diameter
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 304 stainless steel (SST)
• Probe Cable: 75 Ω coaxial, FEP insulated, available in 0.5, 1, 5, or 7 meters
• Recommended Torque: Finger tight; Maximum 0.56 N•m (5 in•lb)
• Minimum Bend Radius: 25.4 mm (1.0 in)
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Storage Temperature: -52°C to +177°C (-62°F to +351°F)

One of the most distinctive features of the 330910-16-23-10-02-00 is its linear range. The probe delivers a usable measurement span of 1.5 mm, with a recommended gap setting of 1.0 mm. This allows for precise monitoring of shaft vibration and axial position, even in tight clearances. The incremental scale factor of 7.87 V/mm ensures consistent output, making it easier to integrate with monitoring systems.

Applications and Use Cases

The 330910-16-23-10-02-00 is ideally suited for a variety of industrial applications, particularly those involving rotating machinery. Its enhanced chemical resistance makes it a top choice for process compressor applications where exposure to aggressive media is common. The probe's side-view characteristics are superior to older 3000-series 190 probes, allowing for more accurate gapping at the same distance from the target.

Typical applications include:

• Centrifugal and reciprocating compressors
• Steam and gas turbines
• Pumps and fans
• Electric motors and generators
• Gearboxes and other rotating equipment

In each of these settings, the 330910-16-23-10-02-00 provides reliable, real-time data on shaft vibration and position, enabling predictive maintenance and preventing costly downtime.

Installation and Setup

Proper installation is essential for the 330910-16-23-10-02-00 to perform accurately. The probe is designed for mounting with an M10X1 thread, and the recommended torque is finger tight, with a maximum of 0.56 N•m (5 in•lb). Over-tightening can damage the probe or affect its readings.

When routing the cable, maintain a minimum bend radius of 25.4 mm (1.0 in) to prevent damage to the coaxial cable. The probe is available with total lengths of 0.5, 1, 5, or 7 meters, allowing flexibility in positioning the extension cable and Proximitor sensor.

For field wiring, the recommended cable is a three-conductor shielded triad, with a maximum length of 305 meters (1,000 feet) between the Proximitor sensor and the monitor. Be aware that longer field wiring lengths can cause signal rolloff at high frequencies, as shown in the frequency response graphs.

Maintenance and Reliability

The 330910-16-23-10-02-00 is built for long-term reliability, but regular inspection is recommended to ensure consistent performance. The probe's tip is made of PPS, which offers excellent chemical resistance, while the case is constructed from AISI 304 stainless steel for durability.

Periodically check the probe and cable for signs of wear or damage, especially in high-vibration environments. Ensure that the connector is securely fastened and that the cable is not subjected to excessive bending or pulling. The probe is designed to seal differential pressure between the tip and case, but it is not pressure tested prior to shipment. If your application requires pressure seal verification, contact the custom design department.

By following these simple maintenance practices, you can extend the service life of the probe and maintain measurement accuracy.

Compatibility and Integration

The 330910-16-23-10-02-00 is mechanically and electrically compatible with Bently Nevada's previous 3300 RAM proximity probe and extension cable. This means it can be used as a direct replacement in many existing installations, simplifying upgrades.

The probe is designed to work with the 3300 XL NSv Proximitor Sensor, and the extension cable is available in various lengths to suit your system layout. The miniature coaxial ClickLoc connector provides a secure and reliable connection, ensuring signal integrity.

Product Support and Availability

The 330910-16-23-10-02-00 is available from AutoDCSTech as a new, original factory-packed unit. It comes with a 12-month factory warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering. For technical support or to place an order, contact AutoDCSTech directly.