The Bently Nevada 330905-00-25-05-01-CN serves as the primary 330905 Proximity Sensors utilized to execute non-contact shaft vibration and dynamic displacement measurement across 3300 NSv and legacy 3300 RAM monitoring platforms. Constructed with an unarmored M10 x 1 threaded housing featuring a 0 mm unthreaded length and a 250 mm extended overall case length, the assembly interfaces via a 0.5 m protected coaxial cable terminated with a standard miniature ClickLoc probe connector and shield.
| Parameter | Specification |
|---|---|
| Model | 330905-00-25-05-01-CN |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.15 kg |
| Dimensions | M10 x 1 thread profile (250 mm overall case length) |
| Operating Temp | -34 deg C to +177 deg C (-30 deg F to +351 deg F) |
| Power Consumption | Passive transducer (Powered via Proximitor Sensor) |
| Probe Type | 3300 NSv probe, M10 x 1 thread, without armor |
| Cable Length | 0.5 m (20 in) protected coaxial cable |
| Connector Type | Standard NSv probe connector with protective shield |
| Design Feature | Narrow-side-view profile for constrained target areas |
The 330905-00-25-05-01-CN probe utilizes narrow-side-view eddy-current probe scaling to monitor complex rotor dynamics in tight counterbores or small-diameter shafts where side-clearance is severely restricted. When coupled with a compatible 3300 NSv Proximitor Sensor, the coil generates a linear voltage output directly proportional to the physical gap distance. Performing gap voltage validation to achieve a target reading of -10 VDC during installation ensures the transducer operates at the center of its linear span, preventing measurement error from adjacent metallic surfaces through enhanced cross-talk suppression.
Q: What gap voltage level validates proper baseline mechanical installation of the 330905 probe?
A: Adjust insertion depth until the output voltage measured from the connected 3300 NSv Proximitor Sensor reads -10 VDC, centering the probe in its linear operating zone.
Q: Can the 0.5 m probe cable connect directly to system rack terminal strips?
A: No. The integrated 0.5 m protected coaxial cable must connect to a matching 3300 NSv extension cable to complete the 5.0 m or 7.0 m tuned system loop length required by the Proximitor Sensor.
Q: What is the technical advantage of the narrow-side-view design on this probe model?
A: The narrow-side-view design restricts the emitted high-frequency magnetic field footprint, minimizing side-wall interference when mounted in narrow keyways, tight counterbores, or small machine casings.
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