330880-28-15-027-00-02 | Bently Nevada PROXPAC XL Proximity Transducer - Petro Auto Tech

Product Overview

The 330880-28-15-027-00-02 is a Bently Nevada PROXPAC XL Proximity Transducer, a high-performance industrial sensor designed for precise displacement and vibration measurements. This rugged transducer offers reliable operation in demanding environments, featuring an IP66-rated housing and a wide temperature range.

Technical Specifications Analysis

This transducer uses a 3300 XL 8 mm probe with multiple approvals. It includes a 1.5-inch standoff adapter and a 27 mm probe penetration. The unit weighs 1.44 kg and has an IP66 rating verified by BASEEFA. The probe tip material is Polyphenylene Sulfide (PPS), and the probe case is AISI 304 stainless steel. The probe cable is 1-metre long, 75 Ω triaxial, with FEP insulation. The probe connector is a gold-plated brass ClickLoc connector. The housing is made of UV-resistant, glass-reinforced PPS thermoplastic with conductive fibers. The sleeve and retaining chain are AISI 304 stainless steel. The outer sleeve and retaining screws are AISI 303 stainless steel. The sleeve O-ring material is Neoprene. The grounding liner and retaining plate are AISI 304 stainless steel. Vibration isolation uses extra soft cellular silicone. The lid label is gloss radiant white polyester. Recommended torque for the retaining nut is 29.5 N·m, and for the probe sleeve locknut is 39.3 N·m. The housing strength supports 912 N placed 38 mm from the unsupported end. Housing impact strength is certified to withstand 4 Joule impacts at -39°C and 115°C, and 7 Joule at ambient temperature. Total system weight is 1.44 kg typical with a 0.3 metre sleeve length. The probe temperature range is -51 °C to +177 °C. Power requires -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum consumption, and -23 Vdc to -26 Vdc with barriers. Supply sensitivity is less than 2 mV change per volt change. Output resistance is 50 Ω. Field wiring accepts 0.2 to 1.5 mm² (16 to 24 AWG) and recommends 3-conductor shielded triax cable with a maximum length of 305 metres. Linear range is 2 mm (80 mils), beginning at approximately 0.25 mm from target. Recommended gap setting is 1.27 mm. Incremental Scale Factor (ISF) is 7.87 V/mm (200 mV/mil) ±5%. Deviation from best fit straight line (DSL) is less than ±0.025mm (±1 mil) for a standard 1 metre system. Frequency response is 0 to 10 kHz with up to 305 metres of field wiring. Minimum target size is 15.2 mm diameter, and minimum shaft diameter is 50.8 mm.

Application Scenarios & Usage Methods

This transducer excels in monitoring rotating machinery like turbines, compressors, and pumps. Use it to measure shaft vibration and position in real-time. For example, install the probe near a bearing housing to detect early signs of imbalance or misalignment. The 2 mm linear range and 7.87 V/mm scale factor provide accurate data for predictive maintenance. Its wide temperature tolerance suits both cold and hot process areas. Connect the transducer to a compatible monitor using up to 305 metres of field wiring for remote monitoring.

Installation Guide & Packing List

Mount the probe using the 3/4-14 NPT thread option. Ensure the target surface is clean and flat, with a minimum diameter of 15.2 mm. Set the gap to 1.27 mm for optimal performance. Tighten the retaining nut to 29.5 N·m and the probe sleeve locknut to 39.3 N·m. Use shielded triax cable for field wiring and keep connections secure. The package typically includes the PROXPAC XL Proximity Transducer assembly, mounting hardware, and documentation. Verify all components before installation.

Purchasing Advice

When selecting this transducer, confirm your application requires the 8 mm probe and 27 mm penetration. The IP66 rating ensures protection in wet or dusty environments. For barrier applications, ensure your power supply meets the -23 Vdc to -26 Vdc range. Petro Auto Tech offers genuine Bently Nevada parts with reliable service. Check your system compatibility before ordering.

Repair & Maintenance Tips

Inspect the probe cable and connector regularly for damage. Clean the probe tip with a soft cloth; avoid abrasives. Store the transducer in a dry, clean environment within its temperature limits. Verify the gap setting periodically. Replace any worn O-rings or seals to maintain IP66 integrity. Follow manufacturer guidelines for any repairs.

Frequently Asked Questions (FAQs)

Q: What is the operating temperature range of the 330880-28-15-027-00-02?

A: The probe operates from -51 °C to +177 °C (-60 °F to +350 °F).

Q: What is the linear range of this transducer?

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

Q: What power supply does the 330880-28-15-027-00-02 require?

A: It requires -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum consumption, and -23 Vdc to -26 Vdc with barriers.

Q: What is the maximum field wiring length?

A: The maximum length is 305 metres (1,000 feet) between the Proximitor Sensor and the monitor.

Q: Is this transducer suitable for hazardous locations?

A: Yes, the housing has IP66 rating and impact strength certified by BASEEFA, making it suitable for many industrial environments.