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Product Overview
The Bently Nevada 330907-05-30-10-02-00 is a 3300 NSv Reverse Mount Proximity Probe, a high-performance non-contacting sensor engineered to provide accurate measurements of shaft position and vibration. Designed especially for use in small or tight spaces such as in small turbines, gearboxes, or pumps, this reverse-mount style probe is often used when space constraints or environmental considerations make traditional forward-mounted probes impractical.
The probe is part of the Bently Nevada 3300 NSv (Narrow Side-view) series and meets API 670 requirements for machinery protection. It works in tandem with matching extension cables and Proximitor sensors, forming a complete proximity transducer system. Its reverse mounting capability allows it to be installed from behind the target, typically from within a sealed compartment, making it ideal for cleanroom or high-pressure sealed environments.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | 330907-05-30-10-02-00 |
| Series | 3300 NSv Series |
| Mounting Type | Reverse Mount |
| Probe Tip Diameter | 5 mm (0.197 in) |
| Overall Probe Length | 76 mm (3.0 in) |
| Cable Length | 1.0 meter |
| Target Material | 4140 Steel (standard), calibrated for 4140/4340 and similar ferrous metals |
| Thread Size | 3/8-24 UNF |
| Body Style | Cylindrical stainless steel with knurled retention |
| Connector Type | Miniature coaxial connector |
| System Compatibility | Works with 3300 NSv extension cables and 3300 NSv Proximitor Sensor |
| Linear Range | 1.0 mm (±0.5 mm from the calibrated midpoint) |
| Operating Temperature | -35°C to +177°C (-31°F to +350°F) |
| Vibration Sensitivity | 0.005 in/s RMS typical |
| Insulation Resistance | >10 GΩ @ 500 VDC |
| Enclosure Rating | IP65 (with appropriate mating connectors) |
| Material | 316L Stainless Steel housing |
| Weight | 0.15 kg |
Product Applications
The 330907-05-30-10-02-00 is primarily used in:
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Small gas turbines and aero-derivative turbines
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Industrial gearboxes
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Reciprocating and centrifugal compressors
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Electric motors with limited space for traditional probes
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Critical small rotating machinery in oil & gas and power generation sectors
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Cleanroom or sealed environments requiring rear mounting
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Laboratory-scale or experimental turbomachinery setups
The reverse mount configuration is particularly valuable when the probe needs to be accessed only from behind the target shaft, which also minimizes contamination or access issues.
Product Advantages
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Space-saving Design: Tailored for small machinery with limited access, where traditional probes cannot be mounted.
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API 670 Compliance: Offers full compatibility with industrial standards for machine protection.
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Rugged Build: Stainless steel housing ensures long-term reliability in industrial environments.
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High Accuracy: Maintains precise measurement of shaft position and vibration even in high-speed applications.
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Interchangeable System Components: Compatible with Bently Nevada extension cables and Proximitor sensors for modular setups.
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Reverse Mounting Benefits: Minimizes environmental exposure, making it ideal for cleanroom, sealed, or inaccessible installations.
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Long Cable Reach: With 10 feet of cable, the probe offers flexibility in routing and installation.
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Wide Operating Range: Functions effectively across a broad temperature spectrum.
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Low Noise Interference: Ensures clean signal transmission in high-EMI environments.
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Trusted Brand Legacy: Backed by GE Bently Nevada’s long-standing expertise in machinery protection systems.
Frequently Asked Questions (FAQs)
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What does “reverse mount” mean in this probe?
Reverse mount means the probe is installed from behind the shaft or target surface, rather than the front-facing side. -
Can this probe be used in high-temperature applications?
Yes, it supports operations up to 177°C (350°F), making it suitable for many demanding industrial applications. -
Is the 330907-05-30-10-02-00 probe compatible with all Bently Nevada systems?
It is compatible specifically with 3300 NSv Proximitor Sensors and extension cables. -
Can this probe be installed in submerged or wet environments?
When used with appropriate connectors and sealing, it can achieve IP65 protection. -
What is the main difference between NSv and standard 3300 XL probes?
NSv probes are designed for small target applications and have a narrower linear range and profile. -
Does the cable length affect performance?
The system is calibrated for the specified cable length (10 ft), and changes in length require re-calibration. -
What is the target material for optimal performance?
4140 or similar steel materials offer optimal calibration response. -
Can the probe be reused after removal?
Yes, as long as the probe and cable are undamaged and reinstalled properly. -
Is field calibration required?
Factory calibration is provided, but field verification may be recommended for critical systems. -
Are longer cables available for this probe model?
You can specify the length.
Related Models in the Same Series
| Model Number | Description | Cable Length | Mount Type | Application Focus |
|---|---|---|---|---|
| 330907-05-25-10-02-00 | 3300 NSv Reverse Mount Probe | 8.2 ft | Reverse Mount | Small turbines |
| 330907-05-20-10-02-00 | 3300 NSv Reverse Mount Probe | 6.6 ft | Reverse Mount | Motors, pumps |
| 330709-000-060-10-02-00 | 3300 XL Reverse Mount Probe | 6.0 ft | Reverse Mount | Larger machinery |
| 330901-00-40-10-02-00 | 3300 XL Proximity Probe (standard mount) | 13.1 ft | Forward Mount | General rotating equipment |
| 330950-01-05-10-02-00 | 3300 XL NSv Proximitor Sensor | N/A | Panel Mount | Works with NSv probes |
| 330103-00-05-10-02-00 | 3300 XL Extension Cable for NSv Probe | 5 ft | Cable | For NSv system extension |
Popular Models from the Same Brand (Bently Nevada)
| Model Number | Description | Application | Notes |
|---|---|---|---|
| 3500/22M | Transient Data Interface Module | 3500 Series Machinery Protection | For Modbus/Comm systems |
| 3500/42M | Proximitor/Seismic Monitor | Vibration and position monitoring | Supports dual inputs |
| 330104-00-05-10-02-00 | 3300 XL Probe with 5ft cable | Standard vibration applications | Widely used in turbines |
| 330180-91-00 | High Temperature Proximity Probe | Steam turbines, hot zones | Up to 400°C operation |
| 3500/15 | Power Supply Module | For 3500 Rack System | 120/240V input support |
| 144181-01 | 3300 XL NSv Extension Cable | Works with NSv probes | Enhanced EMI immunity |
