Excellent PLC
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Product Introduction
The Bently Nevada 330905-00-25-05-01-05 is a specialized proximity probe from the 3300 NSv (Narrow-Sleeve version) series, designed specifically for small target applications such as small steam turbines, gearboxes, centrifugal compressors, and other compact rotating machinery. NSv (Narrow Sleeve) technology is optimized for scenarios where reduced physical dimensions are essential but where precision and reliability cannot be compromised.
Part of Bently Nevada’s renowned 3300 series, this probe offers reliable non-contact vibration and displacement measurements in tight spaces. It maintains the ruggedness and high signal fidelity of standard XL probes while supporting smaller shaft sizes and tighter mounting configurations.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 330905-00-25-05-01-05 |
| Series | 3300 NSv (Narrow Sleeve version) |
| Probe Type | Eddy current proximity probe |
| Sensing Range | 2 mm (0.08 in) typical |
| Linear Range | 1 mm (39.4 mils) |
| Output Sensitivity | -7.87 V/mm (-200 mV/mil) |
| Frequency Response | 0 to 10 kHz (typical) |
| Tip Diameter | 5 mm (0.20 in) |
| Probe Length | 25 cm (9.84 in) probe body length |
| Mounting Thread | M8 x 1 |
| Cable Type | Integral coaxial cable with molded connector |
| Material (Probe Housing) | Stainless Steel (AISI 304) |
| Material (Probe Tip) | PPS (Polyphenylene Sulfide) |
| Operating Temperature | -35°C to +177°C (-31°F to +350°F) |
| Weight | 0.15 kg |
| Minimum Bend Radius (Cable) | 25 mm (1.0 in) |
| Connector Type | Miniature coaxial (Quick Connect) |
| Compatible Extension Cable | 330930-XXX-XX-XX series |
| Compatible Proximitor Module | 3300 NSv Proximitor Sensor (Part of 3300 series) |
| Environmental Protection | IP65 with proper mating connector |
| Compliance | CE, RoHS, ATEX compliant |
Product Applications
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Small Steam and Gas Turbines – Suited for compact machinery where space limitations prevent standard probe installation.
-
Gearboxes and Small Rotating Equipment – Accurately monitors axial or radial shaft movement.
-
Centrifugal Compressors – Provides precise displacement readings in high-speed rotating environments.
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OEM Machine Design – Commonly used by original equipment manufacturers to embed into machines with strict dimensional constraints.
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Lab Machinery and Test Rigs – Ensures high accuracy in small-scale experimental setups or test benches.
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Condition Monitoring Systems – Integrates seamlessly into Bently Nevada monitoring frameworks for proactive maintenance.
Product Advantages
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Compact Design for Tight Spaces – Slim probe body and tip diameter enable installation in restricted spaces where standard probes won’t fit.
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High Sensitivity for Small Targets – Calibrated for accurate readings on shafts as small as 12 mm in diameter.
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Wide Operating Temperature Range – Designed for harsh environments, including high-heat and industrial-grade applications.
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Excellent System Compatibility – Fully integrates with NSv Proximitor modules and Bently Nevada 3300 systems.
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Robust Build and Materials – Stainless steel housing and molded PPS tip enhance durability and long-term performance.
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Easy Installation and Maintenance – Threaded mounting and quick-connect coaxial cables allow straightforward replacement and servicing.
Frequently Asked Questions (FAQ)
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Q: What makes the 330905-00-25-05-01-05 different from standard XL proximity probes?
A: The NSv version is specifically designed for small shaft diameters and limited mounting spaces, unlike standard XL probes designed for larger targets. -
Q: What is the typical sensing range of this probe?
A: The probe offers a typical sensing range of 2 mm with a linear range of 1 mm. -
Q: Can this probe be used in high-temperature environments?
A: Yes, it can operate continuously in temperatures up to +177°C (350°F). -
Q: What kind of machinery benefits most from this probe?
A: It is ideal for small turbines, compressors, gearboxes, and OEM machinery. -
Q: What cable type is integrated with the probe?
A: The probe uses an integral molded coaxial cable, minimizing connection noise and increasing robustness. -
Q: Is this sensor compatible with the 3300 XL series modules?
A: No, it requires the 3300 NSv Proximitor module, which is designed specifically for NSv probes. -
Q: What is the standard thread type on this probe?
A: It features an M8 x 1 mounting thread for easy installation in compact configurations. -
Q: What environmental protection rating does the probe offer?
A: When properly installed with sealed connectors, it meets IP65 standards. -
Q: What shaft sizes are supported by this NSv probe?
A: It’s optimized for shaft diameters from 12 mm to 25 mm. -
Q: How does this probe integrate with a condition monitoring system?
A: It connects to a matching extension cable and NSv Proximitor module, which feeds data to vibration monitoring or DCS systems.
Related Models from the Same or Similar Series
| Model | Description | Sensing Range | Mounting Thread | Typical Use Case |
|---|---|---|---|---|
| 330905-02-12-05-02-00 | 3300 NSv 8 mm probe with armored cable | 2 mm | M10x1 | Small compressors |
| 330910-65-05-02-05 | NSv Proximitor Sensor module (DIN rail mount) | N/A | N/A | Signal conditioning |
| 330930-040-01-00 | 3300 NSv Extension Cable – 4.0 m | N/A | N/A | Connects probe to proximitor |
| 330905-00-12-05-01-00 | NSv probe with 120 mm length, M8 thread | 2 mm | M8x1 | OEM equipment |
| 330906-01-12-05-01-00 | NSv 5 mm probe, side-mount version | 2 mm | Custom bracket | Lab or vertical installs |
| 330950-01-00 | High-temp NSv Proximitor module | N/A | N/A | Harsh environmental conditions |
Popular Models from the Bently Nevada Product Line
| Model | Description | Category | Key Feature |
|---|---|---|---|
| 3500/42M | Proximitor/Seismic Monitor Module | 3500 Series Monitoring | Supports multiple input types |
| 3500/22M | Transient Data Interface | 3500 Series Monitoring | System-wide dynamic data access |
| 330104-00-12-10-02-00 | 3300 XL 8 mm Proximity Probe | Proximity Measurement | Standard shaft vibration sensing |
| 330130-040-00-00 | 3300 XL 4.0 m Extension Cable | Extension Cable | Shielded for noise resistance |
| 330400 | Velomitor Velocity Sensor | Seismic Vibration Monitoring | Piezoelectric velocity transducer |
| 190501 | Velocity Transducer | Machine Monitoring | Suited for low-frequency applications |
