What is the core design advantage of the 330800-28-00-085-03-02?

Its "integrated" design embeds the Proximitor inside the cover, eliminating the need for extension cables. This reduces failure points at connections and signal interference while simplifying installation in confined or harsh environments.

How does the PPS housing of the 330800-28-00-085-03-02 contribute to safety?

The PPS housing with conductive fibers provides electrostatic dissipation to prevent sparks in hazardous areas. Combined with -28 multiple approvals, it ensures safe operation in explosive atmospheres with superior corrosion resistance.

Must the entire 330800-28-00-085-03-02 be replaced if internal components fail?

No, the system is modular. If the internal sensor or probe fails, users can replace only the components inside the lid without removing the entire housing. This maintains integrated performance while significantly reducing replacement and maintenance costs.

Any suggestions for long-distance signal transmission with the 330800-28-00-085-03-02?

Installing a junction box near the machine skid is advised to protect terminals and ease signal testing. Using shielded twisted-pair cables effectively counters EMI, ensuring high-accuracy signal output for this self-contained system during long runs.

What is the practical use of the -03 fittings option for the 330800-28-00-085-03-02?

This option provides a stainless steel reducer to convert the 3/4 NPT base to a common 1/2 NPT fitting. This ensures robust mounting while allowing direct compatibility with standard industrial conduits and seals for a "plug-and-play" experience.

330800-28-00-085-03-02

Name: 330800-28-00-085-03-02
Brand: Bently Nevada
SKU: 330800-28-00-085-03-02

Proximity Transducer Assembly

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

PROXIMITY TRANSDUCER ASSEMBLY
3300 XL 8MM PROBE
8.5 INCH PENETRATION
3/4-14 NPT MOUNTING
TYPE 4X & IP66 RATED
IEC & ANSI COMPLIANT

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Technical specifications for 330800-28-00-085-03-02

Manufacturer:

Bently Nevada
Product Category:

Machinery Monitoring Systems
Spare Part Number:

330800-28-00-085-03-02
Estimated shipping dimensions:

8.1x8.4x12.4cm
Weight:

1.5 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Standoff Adapter:

No standoff adapter
Probe Penetration:

8.5 inches
Fittings Option:

3/4-14 NPT to 1/2-14 NPT SST reducer fittings kit
Mounting Thread:

3/4-14 NPT mounting thread
Probe:

3300 XL 8 mm probe
Scale Factor:

7.87 V/mm
Linear Range:

2.0 mm (80 mils)
Power Requirements:

-17.5 Vdc to -26 Vdc
Probe Operating Temperature:

-51°C to +177°C (-60°F to +351°F)
Sensor Operating Temperature:

-51°C to +100°C (-60°F to +212°F)

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Information

Overview Manuals Sensing Functions Technical architecture

The 330800-28-00-085-03-02 is a 3300 XL PROXPAC assembly featuring an 8mm probe with 8.5-inch penetration and 3/4-14 NPT threads. It is a globally certified solution with -28 Multiple Approvals and an integrated -03 stainless steel reducer kit for seamless field installation.

8.5" Deep Probe Penetration (216mm)
Integrated Self-Contained Sensor
3300 XL 8mm Multiple Approvals Probe

The core advantage is the self-contained design, integrating the Proximitor inside the housing to eliminate extension cables and signal loss. The electrostatic-dissipative PPS housing is IP66-rated, providing stable vibration monitoring even in extreme corrosive and high-EMI 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 330800-28-00-085-03-02 Proximity Transducer Assembly 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.

The 330800-28-00-085-03-02 integrates advanced eddy current sensing technology, utilizing its built-in Proximitor® conditioning circuitry to convert minute gap changes between the probe tip and metal targets into a linear voltage signal of 200 mV/mil (7.87 V/mm) with real-time precision.

By eliminating external extension cables, the system significantly reduces electromagnetic noise and impedance losses during transmission, ensuring exceptional linearity and gain stability across its 80-mil (2.0 mm) operating range.

The internal circuitry undergoes rigorous industrial-grade calibration and temperature compensation, enabling it to deliver raw vibration and displacement data with a superior signal-to-noise ratio, even in rapidly fluctuating dynamic environments.

The 330800-28 series features a self-contained Proximitor® Sensor integrated directly within the housing, eliminating the need for external extension cables. This specific model is equipped with a 3300 XL 8 mm probe providing a linear range of 80 mils (2.0 mm), specifically designed for high-precision proximity measurements on critical rotating machinery.

With a configured 8.5-inch (216 mm) penetration length, this assembly allows for precise external probe gap adjustment without disassembling the machine housing. The 3/4-14 NPT mounting thread and stainless steel fittings ensure a secure, leak-proof installation, simplifying the setup process for complex industrial target machinery.

FAQ View All FAQ

What is the core design advantage of the 330800-28-00-085-03-02?

Its "integrated" design embeds the Proximitor inside the cover, eliminating the need for extension cables. This reduces failure points at connections and signal interference while simplifying installation in confined or harsh environments.
How does the PPS housing of the 330800-28-00-085-03-02 contribute to safety?

The PPS housing with conductive fibers provides electrostatic dissipation to prevent sparks in hazardous areas. Combined with -28 multiple approvals, it ensures safe operation in explosive atmospheres with superior corrosion resistance.
Must the entire 330800-28-00-085-03-02 be replaced if internal components fail?

No, the system is modular. If the internal sensor or probe fails, users can replace only the components inside the lid without removing the entire housing. This maintains integrated performance while significantly reducing replacement and maintenance costs.

Any suggestions for long-distance signal transmission with the 330800-28-00-085-03-02?

Installing a junction box near the machine skid is advised to protect terminals and ease signal testing. Using shielded twisted-pair cables effectively counters EMI, ensuring high-accuracy signal output for this self-contained system during long runs.
What is the practical use of the -03 fittings option for the 330800-28-00-085-03-02?

This option provides a stainless steel reducer to convert the 3/4 NPT base to a common 1/2 NPT fitting. This ensures robust mounting while allowing direct compatibility with standard industrial conduits and seals for a "plug-and-play" experience.

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