Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330100-50-03 |
| Brand | Bently Nevada |
| Product Type | 3300 Proximitor Sensor |
| Origin | USA |
| Weight | 0.3 kg |
| Dimensions | 6 x 5 x 8 cm (estimated shipping size) |
| Operating Temp | -51 deg C to +100 deg C |
| Storage Temp | -51 deg C to +100 deg C |
| Total Length Option | 50 = 5.0 metres (16.4 feet) |
| Agency Approval Option | 03 = Multiple Approvals |
| Housing Material | A383 aluminum |
| Signal Function | Eddy-current probe interface and displacement signal conditioning |
Eddy-Current Measurement Signal Processing
The 330100-50-03 Proximitor Sensor processes eddy-current probe signals for shaft displacement measurement applications. It converts probe impedance changes into proportional electrical output signals for vibration and position monitoring circuits.
The sensor supports Bently Nevada mechanical monitoring practices by maintaining probe scaling characteristics and gap voltage validation requirements. The typical probe calibration process verifies the operating gap condition, including the -10 VDC target used for standard eddy-current probe setup.
The sensor design also supports rotor dynamics monitoring by providing conditioned displacement signals for analysis of shaft motion, vibration behavior, and mechanical clearance changes. In addition, the aluminum housing provides a compact enclosure structure for installation near monitoring assemblies.
Frequently Asked Questions
Q: What is the function of the 330100-50-03 Proximitor Sensor?
A: The 330100-50-03 receives eddy-current probe signals and converts them into conditioned displacement measurement outputs for Bently Nevada 3300 monitoring systems.
Q: What does the suffix “-50-03” indicate on this model?
A: The “-50” option specifies a 5.0 metres (16.4 feet) total length configuration, while “-03” indicates the multiple approvals option.
Q: What installation conditions should be verified before operation?
A: The installation should verify probe connection integrity, signal cable routing, shielding practices, and correct probe gap voltage calibration before system commissioning.
Field Installation Guidelines
Install the 330100-50-03 Proximitor Sensor in accordance with the applicable Bently Nevada system installation documentation.
- Mount the sensor in a location that minimizes mechanical vibration exposure and prevents unnecessary cable stress.
- Connect the eddy-current probe cable according to the approved terminal identification and wiring requirements.
- Maintain separation between probe signal wiring and high-current power cables to reduce electrical interference.
- Apply proper cable shielding and grounding practices according to site electrical standards.
- Verify the probe gap voltage before operation to confirm correct measurement range and signal conditioning performance.
- Inspect connectors and cable insulation before energizing the monitoring circuit.
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