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Product Introduction
The Bently Nevada 330191-02-10-10-CN 3300 XL 8 mm ETR Probe is a high-precision proximity probe designed for continuous, non-contact measurement of shaft vibration and displacement in demanding industrial applications. As part of the well-established 3300 XL series, it delivers exceptional reliability and measurement accuracy, even in environments with high temperatures, vibration, or electromagnetic interference. With an 8 mm sensing tip and a total length of 1.0 meter, this probe provides the robust construction and stable output needed for predictive maintenance and machine protection systems used in critical rotating equipment.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 330191-02-10-10-CN |
| Product Type | 3300 XL 8 mm ETR Proximity Probe |
| Total Length | 1.0 meter |
| Probe Tip Diameter | 8 mm |
| Weight | 0.323 kg |
| Linear Range | 2.0 mm (80 mils) nominal |
| Sensitivity | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC to 10 kHz |
| Operating Temperature | –35 °C to +177 °C |
| Pressure Rating | Up to 10 bar |
| Mounting Thread | 3/8–24 UNF or compatible mounting hardware |
| Insulation Resistance | ≥10 GΩ at 500 VDC |
| Housing Material | Stainless steel with high-dielectric PEEK insulation |
| Compliance | CE, RoHS |
Applications
The 330191-02-10-10-CN probe is widely used for vibration and displacement monitoring in:
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Steam and Gas Turbines – Provides accurate rotor vibration measurements for early detection of imbalance and misalignment.
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Compressors and Pumps – Delivers reliable shaft displacement readings for condition monitoring and maintenance planning.
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Motors and Generators – Enables predictive maintenance and protection from unexpected mechanical failures.
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Petrochemical Equipment – Performs accurately in corrosive and hazardous process environments.
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Industrial Machinery – Fits OEM designs and retrofit projects requiring compact, high-performance probes.
Advantages
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High Accuracy – 8 mm sensing tip ensures stable and precise displacement measurements.
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Compact 1 m Length – Ideal for installations where space is limited yet high signal quality is required.
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Wide Temperature Tolerance – Maintains accuracy from –35 °C to +177 °C.
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Superior Noise Immunity – Coaxial construction minimizes electromagnetic interference.
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Durable Stainless-Steel Housing – Offers excellent corrosion resistance and long service life.
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Pressure-Resistant Design – Operates reliably in environments up to 10 bar.
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Seamless Integration – Fully compatible with Bently Nevada 3300 XL Proximitor sensors and 3500 series monitoring systems.
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Easy Installation – Standard 3/8–24 UNF mounting simplifies setup and maintenance.
FAQ
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What is the nominal linear range of this probe?
The probe offers a nominal linear range of 2.0 mm (80 mils) for precise shaft vibration measurement. -
What sensitivity specification does it provide?
It delivers a sensitivity of approximately 7.87 V/mm (200 mV/mil) for accurate displacement monitoring. -
Is this probe compatible with 3300 XL Proximitor sensors?
Yes, it integrates seamlessly with 3300 XL Proximitor sensors without adapters. -
What is the supported frequency response?
The probe supports a frequency response from DC up to 10 kHz. -
What mounting thread is recommended for secure installation?
A 3/8–24 UNF thread or compatible housing is recommended. -
Can the probe operate in high electromagnetic interference environments?
Yes, the coaxial cable and internal shielding provide strong resistance to EMI. -
How does the probe handle temperature variations?
It maintains calibration and accuracy from –35 °C to +177 °C. -
What pressure rating can it withstand?
The probe is rated for environments up to 10 bar pressure. -
Does it require additional shielding for noise suppression?
No, the built-in coaxial shielding is sufficient for most industrial applications. -
Is it suitable for use in hazardous or classified areas?
Yes, when installed with certified Proximitor systems, it can meet hazardous area compliance standards.
Related Models in the Same Series
| Model Number | Description |
|---|---|
| 330191-00-16-10-05 | 3300 XL 8 mm ETR Probe, 1.0 m cable |
| 330191-00-25-05-05 | 3300 XL 8 mm ETR Probe, 2.5 m cable |
| 330191-00-33-90-05 | 3300 XL 8 mm ETR Probe, 9.0 m cable |
| 330191-00-40-90-02-00 | 3300 XL 8 mm ETR Probe, long-length configuration |
| 330191-01-05-10-02 | 3300 XL 8 mm ETR Probe, high-temperature version |
| 330191-02-15-10-05 | 3300 XL 8 mm ETR Probe, extended pressure capability |
Popular Bently Nevada Models
| Model Number | Description |
|---|---|
| 330174-00-06-10-02-00 | 3300 5 mm Proximity Probe, standard 1 m cable |
| 330174-00-08-90-02-00 | 3300 5 mm Proximity Probe, extended 9 m cable |
| 330178-50-00 | 3300 XL 8 mm Proximity Probe for high-speed rotors |
| 3500/42M | Proximitor Monitor for advanced vibration monitoring |
| 330703-000-040-10-02 | 3500/22M Transient Data Interface Module |
| 330780-90-00 | 3300 XL Extension Cable for proximity probe systems |
