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The 330880-28-15-042-00-02 is an advanced, self-contained proximity transducer assembly. It integrates the 3300 XL Proximitor sensor directly into the housing cover, eliminating the need for separate, bulky sensor housings and extension cables, which streamlines installation. Made of Polyphenylene Sulfide (PPS)—a durable thermoplastic reinforced with glass and conductive fibers—the housing dissipates electrostatic charges. Built for severe industrial environments, it features an IP66 and Type 4X rating for superior protection.
Utilizes industrial materials modified for severe environments
Features a highly integrated, completely self-contained system structure
Retains the mechanical features from the classic 31000/32000 housing assemblies
The design of the PROXPAC XL Proximity Transducer Assembly is similar to our 31000/32000 Proximity Probe Housing Assemblies. The assembly offers the same advantages and features as the 31000 and 32000 housings for accessing and externally adjusting proximity probes. However, the housing cover of the PROXPAC XL Assembly also contains its own 3300 XL Proximitor sensor. This design makes the PROXPAC XL Assembly a completely self-contained proximity probe system, and eliminates the need for an extension cable between the probe and its associated Proximitor sensor.
It also eliminates the need for a separate Proximitor housing, as the field wiring connects directly between the monitors and PROXPAC XL Assemblies. The PROXPAC XL housing is made of Polyphenylene Sulfide (PPS), which is an advanced, molded thermoplastic. This material replaces the steel and aluminum in previous housings offered in the Bently Nevada product line. It also incorporates glass and conductive fibers in the PPS to strengthen the housing and more effectively dissipate electrostatic charges. The PROXPAC XL housing is rated for Type 4X and for IP66 environments and provides extra protection in severe environments.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330880-28-15-042-00-02 Proximity Transducer Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Power Generation
Measures rotor dynamic vibration and axial position in large steam turbines and gas turbines to prevent catastrophic mechanical failures.
Petrochemical Industry
Monitors radial shaft displacement and thrust position in high-pressure centrifugal compressors handling hazardous gases.
Oil and Gas Refining
Tracks shaft vibration and thermal expansion in heavy-duty process pumps to ensure continuous refinery operations.
Chemical Manufacturing
Controls and monitors the shaft movement of large agitators and reactors exposed to corrosive chemical vapors.
Iron and Steel Metallurgy
Monitors blast furnace blower shaft vibrations and rolling mill drive motor bearings under high dust and temperature environments.
Pulp and Paper Mills
Tracks bearing wear and roll vibration in high-speed paper machines and pulp refiners under high-humidity conditions.
Adjust the initial probe gap precisely via voltage output (typically -10 Vdc) during installation to ensure accuracy. Secure the 3/4-14 NPT thread with sealant to prevent vibration-induced drift and maintain the IP66/Type 4X ratings. Route the field wiring through conduits to prevent mechanical wear and electromagnetic interference. Clean the housing surface periodically in severe environments to guarantee effective electrostatic dissipation.
The model features a 1.5-inch standoff adapter, a 4.2-inch penetration depth, and mounts via a 3/4-14 NPT thread. Complying with API 670 standards, it outputs a high-precision 200 mV/mil signal in harsh industrial environments to provide real-time shaft vibration and displacement monitoring for critical rotating machinery like turbines and compressors.
What kind of product exactly is the 330880-28-15-042-00-02?
It is an integrated, non-contact proximity transducer assembly (PROXPAC XL Proximity Transducer Assembly). It is primarily designed to measure the axial thrust position (gap), relative shaft vibration (radial runout), or serve as a speed/phase reference (Keyphasor) signal source for high-asset rotating machinery.
What is the core advantage and feature of 330880-28-15-042-00-02?
It eliminates the need for an external extension cable required by traditional eddy current transducer systems, removing potential signal failures caused by moisture or vibration at intermediate joints, and significantly simplifying field wiring.
What is the primary measurement application of 330880-28-15-042-00-02?
It is primarily used for radial shaft vibration, axial thrust position, Keyphasor phase reference, and speed measurements on fluid-film bearing machinery such as turbines, compressors, pumps, and generators.
What is the linear measurement range of 330880-28-15-042-00-02?
As a system with a built-in 3300 XL 8mm probe, it provides an industry-standard linear measurement range of 80 mils (approximately 2.0 mm).
How does the 330880-28-15-042-00-02 operate?
It operates on the eddy current principle. The internal proximitor circuitry sends high-frequency AC to the probe tip to generate a magnetic field. When a metallic shaft surface approaches, the field is disturbed, causing impedance changes that the circuit converts into an analog negative DC voltage signal proportional to the distance.
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