330880-16-00-025-03-02 | Bently Nevada PROXPAC XL Proximity Transducer - Petro Auto Tech

Product Overview

The 330880-16-00-025-03-02 is a Bently Nevada PROXPAC XL Proximity Transducer designed for precise, non-contact shaft vibration and position measurement in critical rotating machinery. This rugged transducer integrates a 3300 XL 8 mm probe with a 25 mm probe penetration, delivering reliable performance in harsh industrial environments. With an IP66-rated housing and a wide operating temperature range, it is a trusted choice for turbomachinery protection systems.

Technical Specifications Analysis

The transducer operates with a power supply of -17.5 Vdc to -26 Vdc without barriers, and -23 Vdc to -26 Vdc with barriers, consuming a maximum of 12 mA. It offers a linear range of 2 mm (80 mils), starting at approximately 0.25 mm from the target. The incremental scale factor (ISF) is 7.87 V/mm (200 mV/mil) ±5% over the 0 °C to +45 °C range. Frequency response covers 0 to 10 kHz with +0, -3 dB tolerance. The probe tip material is Polyphenylene Sulfide (PPS), and the probe case is AISI 304 stainless steel. The system weight is 1.44 kg.

Application Scenarios & Usage Methods

This proximity transducer is ideal for monitoring radial vibration and axial position in steam turbines, compressors, and large pumps. In a typical setup, mount the probe perpendicular to the shaft surface at the recommended gap setting of 1.27 mm (50 mils). Use the 3/4-14 NPT fitting for secure installation. The 1-metre triaxial cable connects to a 3300 XL Proximitor Sensor, with field wiring up to 305 metres. Ensure the target shaft diameter is at least 50.8 mm for accurate readings.

Installation Guide & Packing List

Install the probe sleeve into the machine casing using the provided 3/4-14 NPT fitting and reducer. Tighten the retaining nut to 29.5 N·m and the probe sleeve locknut to 39.3 N·m. Connect the ClickLoc connector to the extension cable. The package includes the probe with 1-metre cable, one 3/4-14 NPT fitting, one 3/4-14 NPT to 1/2-14 NPT SST reducer, and two plugs. No standoff adapter is included.

Purchasing Advice

When selecting the 330880-16-00-025-03-02, verify that your application requires an 8 mm probe with 25 mm penetration and no special approvals. This model suits standard industrial environments without hazardous area certifications. For reliable supply and competitive pricing, choose Petro Auto Tech, your trusted industrial automation parts supplier.

Repair & Maintenance Tips

Regularly inspect the probe cable and connector for damage. Clean the probe tip with a soft cloth to remove debris. Store the transducer in a dry, clean environment within the specified temperature range. Avoid exposing the probe to temperatures below -34 °C to prevent pressure seal failure. Periodically check the mounting torque of the retaining nut and locknut.

Frequently Asked Questions (FAQs)

Q: What is the linear range of the 330880-16-00-025-03-02?

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

Q: What is the recommended gap setting for this transducer?

A: The recommended gap setting is 1.27 mm (50 mils).

Q: What is the operating temperature range for the probe?

A: The probe operates from -51 °C to +177 °C. However, exposing it below -34 °C may cause premature pressure seal failure.

Q: What is the IP rating of the housing?

A: The housing has an IP66 rating, verified by BASEEFA.

Q: What is the incremental scale factor of this system?

A: The incremental scale factor is 7.87 V/mm (200 mV/mil) ±5% over the 0 °C to +45 °C range.