Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330901-00-40-05-02-05 |
| Brand | Bently Nevada |
| Product Series | 3300 NSv Proximity Probe |
| Product Type | Proximity Sensors |
| Thread Type | 1/4-28 UNF thread |
| Armor Option | Without armor |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 4.0 in |
| Total Length | 0.5 meter (20 in) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable |
| Agency Approval | Multiple approvals |
| Origin | USA |
| Weight | 0.14 kg |
| Dimensions | 20.3 x 22 x 3.5 cm shipping size |
| Tariff Code | 8537101190 |
Eddy-Current Probe Scaling and Gap Voltage Validation
The 3300 NSv Proximity Probe uses eddy-current measurement technology to detect shaft displacement through a non-contact sensing principle. Therefore, the probe output depends on the electrical gap between the probe tip and the monitored target surface.
The system requires proper probe scaling and gap voltage validation during installation. Bently Nevada proximity systems commonly verify operating conditions around -10 VDC gap voltage targets to confirm correct probe positioning and signal range.
Additionally, the probe design supports rotor dynamics monitoring by providing displacement signals required for vibration analysis, shaft position measurement, and machine protection calculations.
The miniature coaxial ClickLoc connector maintains signal integrity between the probe and extension cable. Moreover, correct cable routing and shielding practices help reduce electrical interference and measurement errors.
Frequently Asked Questions
Q: What measurement principle does the 330901-00-40-05-02-05 probe use?
A: The probe uses eddy-current technology to measure shaft displacement without mechanical contact between the probe tip and the rotating target.
Q: What is the thread specification of this proximity probe?
A: The probe uses a 1/4-28 UNF thread and has a 0.0 in minimum unthreaded length configuration.
Q: What connector configuration does this model include?
A: This model includes a miniature coaxial ClickLoc connector with standard cable configuration.
Field Installation Guidelines
- Install the probe with the specified 1/4-28 UNF mounting thread and maintain correct mechanical alignment with the monitored shaft surface.
- Verify probe gap voltage after installation to confirm the sensor operates within the intended measurement range.
- Route the probe cable separately from high-voltage power cables to minimize electromagnetic interference.
- Connect cable shielding according to the monitoring system grounding requirements.
- Inspect the miniature coaxial ClickLoc connector before commissioning to ensure proper mechanical engagement and signal continuity.
- Confirm the probe output polarity and scaling parameters before integrating the signal into the vibration monitoring system.
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