Long-Reach Vibration Monitoring Solution 330101-00-12-90-02-00

Decoding the Model: Full Suffix Specifications

The part number provides a complete build sheet for this specialized probe.

• ├── 330101 : 3300 XL 8mm Probe, 3/8-24 UNF, No Armor
• ├── 00 : Unthreaded Length = 0.0 Inch
• ├── 12 : Overall Case Length = 1.2 Inch
• ├── 90 : Cable Length = 9.0 Meters (29.5 Feet)
• ├── 02 : Connector = Miniature Coaxial ClickLoc, Standard Cable
• └── 00 : Approvals = Not Required

Essential Technical Data & Performance Metrics

• Brand & Full Model: Bently Nevada 330101-00-12-90-02-00
• Electrical Characteristics: DC Resistance (9.0m): 9.87 Ω ± 0.50 Ω. System Capacitance: ~628 pF typical.
• Measurement Performance: Linear Range: 2.0 mm (80 mils). Sensitivity (ISF for 9m system): 7.87 V/mm ±6.5%.
• Accuracy & Linearity: Deviation from straight line (DSL) is less than ±0.038 mm (±1.5 mil).
• Environmental Robustness: Operating Temp: -52°C to +177°C. Humidity effect: <3% ASF change.
• Mechanical Design: Probe Tip: PPS Plastic. Probe Case: AISI 303/304 Stainless Steel.
• Installation Wiring: Maximum additional field wiring: 305 meters (1000 feet) to monitor.

In-Depth FAQs for Long-Cable Probe Applications

• Why does the 9-meter probe have a higher specified resistance (9.87Ω)? The DC resistance increases with cable length due to the longer internal conductor. This value is normal for a 9m integral cable and the monitoring system is designed to accommodate this range.
• What are the trade-offs of using a probe with such a long integral cable? The primary trade-off is increased system capacitance, which can limit the high-frequency response of the measurement. This makes it ideal for monitoring lower-speed machinery or where long cable runs are unavoidable.
• Can I cut or shorten the 9.0-meter cable if my application doesn't require all that length? We strongly advise against cutting or modifying the factory-integrated cable. Doing so will void the warranty and likely damage the probe's internal seals. Coil and secure the excess cable instead.
• How should I handle and store the excess cable length during installation? Form the excess cable into large-diameter loops (at least 8 inches/200mm) and secure them with cable ties. Avoid sharp bends, kinks, or tight coils that could damage the cable's internal shield or conductors.
• Is this probe suitable for very high-speed machinery like turbines or compressors? For very high-speed applications (e.g., above 10,000 RPM), consult the frequency response graphs in the manual. The long cable's capacitance may attenuate very high-frequency signals, making a system with a shorter total cable length more appropriate.

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