Product Introduction
The part number 330130-090-10-00 refers to a Bently Nevada 3300 XL 8mm Proximity Probe System with a specific, extended-length configuration. It is a complete, factory-calibrated eddy-current transducer kit used for non-contact vibration and position measurement on rotating machinery. The numbers indicate its key specifications: it is an 8mm diameter probe with a total cable length of 9.0 meters (from probe tip to connector). This long-length version is designed for installations where the monitoring rack or termination point is far from the measurement location on the machine.
Technical Parameters & Specifications
| Parameter Category | Specification |
|---|---|
| Product Line / Model | Bently Nevada 3300 XL 8mm Proximity Transducer System |
| System Components | One 8mm diameter proximity probe, one 9.0-meter integrated coaxial extension cable, and one proximitor (driver/demodulator). |
| Measurement Type | Non-contact, eddy-current displacement. |
| Probe Diameter | 8 mm (0.315 inches) - Standard for general vibration and position monitoring. |
| Sensitivity (Calibrated) | -7.87 V/mm or -200 mV/mil (± 2%), calibrated for a mild steel (AISI 4140) target. |
| Linear Range | Typically 0.25 to 2.3 mm (10 to 90 mils) from the probe tip. |
| Frequency Response | 0 to 10 kHz (± 3 dB). Suitable for measuring from very low speeds to very high frequencies. |
| Target Material | Ferrous steel (e.g., AISI 4140). Requires re-calibration for other materials (e.g., stainless steel). |
| Output Signal | A DC voltage proportional to the average gap (Gap Voltage) and an AC voltage superimposed, proportional to dynamic vibration. |
| Power Requirement | Typically -24 VDC supplied from a compatible monitor (e.g., 3500 series rack). |
| Operating Temperature | Probe: Up to 177°C (350°F) for standard versions. Cable & Proximitor: Lower, usually up to 120°C (248°F). |
| Total Cable Length | 9.0 meters (29.5 feet) as specified by "-090-" in the part number. |
| Connector | Standard, typically a Mil-C-5015 or DIN 43650 style connector for interface with the monitoring system. |
| Dimensions & Weight | Probe Dimensions: ~ Ø8mm x [Probe Length, e.g., 25mm or 50mm]. Proximitor Dimensions: ~ 80mm L x 40mm W x 25mm H (3.15" x 1.57" x 1.0"). Approximate Total Weight (Entire 9m System): 1.1 - 1.3 kg (2.4 - 2.9 lbs). |
| Key Features | Intrinsically safe design, integral cable for reliability, factory calibrated for plug-and-play operation. |
Application Scenarios
This long-cable transducer system is deployed in a wide range of industries for critical machinery protection, particularly where long cable runs are necessary.
Large Turbine-Generators (Power Plants): Ideal for monitoring radial shaft vibration on steam and gas turbines where the monitoring rack is located in a separate panel some distance from the turbine bearing pedestals.
Oil & Gas, Refinery Compressor Trains: Used on large centrifugal and axial compressors in remote or large skids. The 9-meter cable allows flexible routing from the compressor case to the junction box or rack.
Hydroelectric Turbines: Suitable for monitoring vibration on large vertical shaft turbines where sensors may be installed deep in the turbine pit, far from the monitoring equipment.
Heavy Industrial Fans & Motors: Used on large induced draft fans, boiler feed pump motors, and other critical equipment where the control cabinet is not immediately adjacent to the machine.
General Vibration Monitoring: Any application requiring reliable, long-distance signal transmission for measuring relative shaft vibration, axial position (thrust), rotor eccentricity, or speed (Keyphasor®) on critical rotating assets.
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