Product Overview: Bently Nevada 330910-01-07-10-01-00 3300 NSv Proximity Probe
The Bently Nevada 330910-01-07-10-01-00 is a precision-engineered 3300 NSv proximity probe, part of the renowned Bently Nevada 3300 series. This industrial automation module is designed for reliable, continuous vibration and position monitoring in critical rotating machinery. As a direct upgrade to the legacy 3300 RAM probe, the 330910-01-07-10-01-00 offers enhanced chemical resistance and superior side-view characteristics, making it an ideal choice for demanding process compressor applications.
This specific configuration includes a 10 mm unthreaded length, 70 mm overall case length, and a 1.0 meter (39 in) total length. It features a miniature coaxial ClickLoc connector with connector protector and standard cable, ensuring a secure and reliable connection. The probe is manufactured to Bently Nevada's exacting standards, guaranteeing mechanical and electrical interchangeability with previous 3300 RAM systems.
Technical Specifications: Performance You Can Trust
The Bently Nevada 330910-01-07-10-01-00 delivers accurate, repeatable measurements across a wide range of operating conditions. Below are the key specifications that define its performance:
| Parameter |
Value |
| Linear Range |
1.5 mm (60 mils), from 0.25 to 1.75 mm (10 to 70 mils) approximately -1 to -13 Vdc |
| Recommended Gap Setting |
1.0 mm (40 mils) |
| Incremental Scale Factor (ISF) |
7.87 V/mm (200 mV/mil) +12.5%/-20% including interchangeability error |
| Deviation from Best Fit Straight Line (DSL) |
Less than ±0.06 mm (±2.3 mils) |
| Frequency Response |
0 to 10 kHz: +0, -3 dB typical |
| Probe DC Resistance (1.0 m length) |
4.2 ± 0.5 ohms (center to outer conductor) |
| Extension Cable DC Resistance |
Center conductor: 0.220 Ω/m; Shield: 0.066 Ω/m |
| Extension Cable Capacitance |
69.9 pF/m (21.3 pF/ft) typical |
| Operating Temperature |
-52°C to +177°C (-62°F to +351°F) |
| Storage Temperature |
-52°C to +177°C (-62°F to +351°F) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel (SST) |
| Probe Cable |
75 Ω coaxial, FEP insulated; lengths: 0.5, 1, 5, or 7 meters |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Recommended Torque |
Finger tight; maximum 0.56 N•m (5 in•lb) |
| Thread Engagement (3/8-24) |
Maximum 0.563 in |
| System Weight (Probe) |
Approximately 14 to 150 g (0.5 to 5.3 oz) |
Real-World Applications: Where Precision Matters
The Bently Nevada 330910-01-07-10-01-00 excels in environments where reliable vibration and position monitoring are critical. Its enhanced chemical resistance and robust construction make it a top choice for:
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Process Compressors: The increased chemical resistance over the 3300 RAM probe allows use in harsh media, ensuring long-term stability.
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Turbo Machinery: Monitor radial and axial shaft vibration, thrust position, and eccentricity in turbines, compressors, and pumps.
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General Rotating Equipment: Suitable for any machine where proximity probing is required, including motors, gearboxes, and fans.
Installation & Setup Guidance
Proper installation is essential for accurate readings. Follow these practical guidelines:
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Mounting: Use the M10X1 thread for secure installation. Apply the recommended torque – finger tight, with a maximum of 0.56 N•m (5 in•lb) for the probe case.
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Wiring: Use a three-conductor shielded triad cable for field wiring. The maximum length between the 3300 XL NSv Proximitor Sensor and the monitor is 305 meters (1,000 feet). Ensure correct polarity to avoid signal errors.
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Gap Setting: Set the initial gap to 1.0 mm (40 mils) to operate within the linear range. Verify the gap using a calibrated shim or the output voltage.
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Bend Radius: Maintain a minimum bend radius of 25.4 mm (1.0 in) for the probe cable to prevent damage.
Maintenance & Reliability
The Bently Nevada 330910-01-07-10-01-00 is designed for long service life with minimal maintenance. However, periodic inspection is recommended:
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Inspect Cable Integrity: Check for cuts, abrasions, or kinks in the probe cable, especially near the connector.
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Clean Probe Tip: Keep the probe tip free of debris and contaminants to maintain accurate readings.
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Verify Torque: Periodically check that the probe remains securely mounted, especially in high-vibration environments.
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Environmental Exposure: The probe withstands extreme temperatures from -52°C to +177°C, but avoid exceeding these limits to prevent damage to the PPS tip or FEP insulation.
Compatibility & Integration
The 330910-01-07-10-01-00 is mechanically and electrically compatible with Bently Nevada's previous 3300 RAM proximity probe and extension cable, ensuring seamless integration into existing systems. It works with 3300 XL NSv Proximitor Sensors and can be used with a wide range of Bently Nevada monitors and diagnostic equipment. The miniature coaxial ClickLoc connector (option -01) provides a secure, quick-connect interface.
Selection Guide & Purchasing Advice
When selecting a replacement or new probe, verify the following to ensure compatibility:
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Thread Type: Confirm the thread size (M10X1 in this configuration) matches your mounting requirements.
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Length Options: Ensure the unthreaded length (-01: 10 mm), overall case length (-07: 70 mm), and total length (-10: 1.0 m) meet your installation geometry.
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Connector Type: The -01 option includes a miniature coaxial ClickLoc connector with protector – verify it matches your extension cable.
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Agency Approvals: This unit has -00 (no agency approval), which is acceptable for most industrial applications.
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