Description
Extended Reach Vibration Probe
This sensor is designed for deep or recessed mounting points. The Bently Nevada 330103-07-12-10-02-00 is part of the versatile 3300 XL 8mm Proximity Probes family. It features a long 70mm unthreaded section and a 120mm overall case. This allows flexible positioning in challenging installations on large turbines, generators, or pumps where the sensing target is far from the mounting surface.
Product Code & Build Details
- Product Profile
- Manufacturer: Bently Nevada
- Full Part No.: 330103-07-12-10-02-00
- Product Family: 3300 XL 8 mm Probe
- Core Feature: M10 x 1 Metric Thread
- Decoding the Configuration
- The base model is 330103.
- Suffix 07: 70mm Unthreaded Shank Length
- Suffix 12: 120mm Total Case Length
- Suffix 10: 1.0 Meter Integrated Cable
- Suffix 02: Miniature ClickLoc Connector
- Suffix 00: No Hazardous Area Certifications
- The base model is 330103.
- Material & Construction
- Probe Case: AISI 303/304 Stainless Steel
- Probe Tip: Durable Polyphenylene Sulfide (PPS)
- Pressure Seal: Viton® O-Ring
- Cable Spec: 75 Ω Coaxial, Standard Sheath
Key Technical Parameters
- Electrical & Measurement
- Nominal DC Resistance: 7.59 Ω ± 0.50 Ω (for 1m cable)
- Linear Measurement Range: 2.0 mm (80 mils)
- Optimal Gap Setting (Radial): Approx. 1.27 mm (50 mils)
- Output at Recommended Gap: -9 Vdc
- Environmental Specifications
- Standard Temp. Range: -52°C to +177°C
- Extended Temp. Option: Tip to +218°C, Cable to +260°C
- Humidity Stability: < 3% signal change @ 93% RH for 56 days
- Note: Avoid continuous exposure below -34°C to protect seals.
- Mechanical & Installation
- Mounting Thread: M10 x 1.0 mm
- Max. Thread Engagement: 15 mm
- Field Wiring Distance: Up to 305 meters to monitor
- Unit Weight: ~323 grams per meter of cable
Technical FAQ for This Configuration
What is the practical use of the 70mm unthreaded section?
This long smooth section allows you to pass the probe through a deep mounting hole or a standoff tube before the threads engage. It provides adjustment to achieve the precise mechanical gap between the probe tip and the target shaft.
Why does this model have “00” for approvals while others have “05”?
The “00” suffix means this specific configuration is supplied without formal hazardous area certifications (like ATEX/IECEx). It is intended for use in standard, non-hazardous industrial environments. Always verify your plant’s area classification.
Is the 120mm case length a common size?
Yes, a 120mm (approximately 4.7-inch) case is a standard medium-length option. It is widely used in applications requiring a moderate “standoff” distance from the mounting flange to the sensing target.
How do I ensure the O-ring seal works correctly during installation?
First, ensure the threads and sealing surfaces are clean. Hand-tighten, then use a torque wrench to reach the recommended value. Do not exceed the maximum torque, as this can damage the threads or crush the O-ring, causing a leak.
What are my ordering and shipping options for this part?
The 330103-07-12-10-02-00 includes a standard 12-month warranty. We ship promptly worldwide via major express carriers: FedEx, UPS, and DHL. Message us on WhatsApp at +86 158 8020 0923 for a delivery estimate.
Need help determining if this long-case model fits your machine?
Compare the 70mm unthreaded and 120mm total length to your mounting drawings. For expert fitting advice, contact our support team via the link above.
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