Configured for non-contact shaft vibration and positional displacement measurement in rotating machinery, the Bently Nevada 330904-08-15-10-02-05 (330904 Proximity Sensors) provides direct physical/electrical execution. The assembly incorporates an M10 x 1 metric threaded stainless steel body, an 8 mm probe tip diameter, and a 1.5 m armored coaxial cable terminated with a ClickLoc vibration-resistant connector.
| Option Code | Parameter Designation | Selected Configuration |
|---|---|---|
| 330904 | Base Model | 3300 XL NSv Proximity Sensor |
| -08 | Unthreaded Length | 80 mm (8.0 decimeters format style) |
| -15 | Overall Case Length | 150 mm (15.0 decimeters format style) |
| -10 | Total Cable Length | 1.0 m (or 1.5 m armored options variant) |
| -02 | Connector & Cable Type | ClickLoc vibration-resistant connector, armored cable |
| -05 | Agency Approval Option | Multiple agency approvals / hazardous area certifications |
| Parameter | Specification |
|---|---|
| Model | 330904-08-15-10-02-05 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.2 kg (0.44 lb) |
| Dimensions | M10 x 1 metric thread profile (8 mm tip diameter) |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
| Power Consumption | Passive transducer (24 VDC supplied via Proximitor Sensor) |
| Case Material | Stainless Steel Construction |
| Tip Diameter | 8 mm |
| Cable Type | 1.5 m Armored Coaxial Cable |
| Connector Type | ClickLoc Vibration-Resistant Connector |
| Measurement Range | Standard 2 mm gap (Optimized for shafts > 25 mm) |
| Compliance | API 670 Compliant |
The 330904-08-15-10-02-05 proximity probe operates on eddy-current signal transduction principles to monitor dynamic shaft vibration and axial position across rotor dynamics platforms. Integrated within a complete TSI loop comprising the probe, extension cable, and 3300 XL Proximitor Sensor, the eddy-current probe scaling generates a calibrated linear output over a standard 2 mm gap. Mechanical alignment targeting gap voltage validation at -10 VDC establishes the center of the linear voltage range, minimizing cross-talk suppression issues between adjacent channel pairs in dense bearing housings.
Q: What Target Gap Voltage should be established during mechanical mounting of the 330904 probe?
A: Adjust the probe insertion depth mechanically until the connected 3300 XL Proximitor Sensor output registers -10 VDC, placing the transducer at the midpoint of its 2 mm linear measurement range.
Q: Is the 330904-08-15-10-02-05 probe compliant with API 670 machinery protection standards?
A: Yes. The probe, cable construction, and ClickLoc connector design fulfill mechanical and electrical criteria defined by API 670 standards.
Q: Can the armored coaxial probe cable be wired directly to terminal blocks inside a monitor enclosure?
A: No. The integrated 1.5 m armored cable requires connection through a matching 3300 XL extension cable to achieve the total system electrical length required by the paired Proximitor Sensor.
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