Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330880-16-00-075-00-02 |
| Brand | Bently Nevada |
| Product Type | Proximity Probe |
| Series | 3300 XL NSv Proximity Transducer System |
| Origin | USA |
| Weight | Not specified |
| Dimensions | 3/8-24 UNF threaded probe, smooth journal configuration |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Supplied by compatible 3300 XL NSv Proximitor Sensor |
| Target Material | AISI 4140 steel calibration target |
| Measurement Type | Non-contact eddy-current displacement measurement |
| Linear Range | 1.52 mm (60 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) with matching Proximitor Sensor |
| Frequency Response | 0 to 10 kHz |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | 303 stainless steel |
| Cable Type | 75 ohm coaxial cable with FEP jacket |
| Total System Length | 7.5 m |
| Connector Type | Standard miniature coaxial connector |
Eddy-Current Probe Scaling and Rotor Dynamics
The 3300 XL NSv proximity probe uses eddy-current sensing technology to convert shaft displacement into proportional voltage output through the matched Proximitor Sensor. Moreover, the measurement accuracy depends on probe gap distance, target material properties, and oscillator calibration characteristics.
The probe system applies eddy-current probe scaling principles for rotor dynamics monitoring. It measures relative shaft movement and static shaft position in rotating equipment using non-contact displacement detection.
In addition, gap voltage validation uses the Proximitor Sensor output to confirm the probe operating position. The standard target relationship references the -10 VDC gap voltage region, which allows technicians to verify correct probe installation and signal linearity.
The NSv probe design supports applications with restricted mounting space by using a reduced physical profile. Furthermore, the 75 ohm coaxial cable construction maintains impedance control and reduces signal interference during machinery monitoring operations.
The probe assembly provides measurement capability for both dynamic vibration signals and static shaft position signals when connected with compatible 3300 XL NSv monitoring electronics.
Frequently Asked Questions
Q: What Proximitor Sensor matches the 330880-16-00-075-00-02 probe?
A: The probe requires a compatible 3300 XL NSv Proximitor Sensor configured for the matching electrical characteristics and total system length.
Q: What type of measurement does this proximity probe provide?
A: The probe provides non-contact eddy-current displacement measurement for shaft vibration and static position monitoring.
Q: Does the probe include an integrated signal conditioning circuit?
A: No. The probe operates as a passive sensing element and requires a compatible Proximitor Sensor for signal conversion and output processing.
Field Installation Guidelines
Install the probe using the specified 3/8-24 UNF mounting interface and maintain alignment between the probe tip and the target shaft surface.
Verify the probe gap voltage through the connected Proximitor Sensor before commissioning the machinery monitoring system.
Route the coaxial cable away from high-current conductors and electromagnetic interference sources to reduce unwanted signal coupling.
Maintain proper cable routing practices and avoid mechanical stress at the probe tip and cable connection area.
Connect cable shielding according to the monitoring system grounding requirements to maintain signal integrity.
Confirm target material compatibility and surface condition before completing final calibration procedures.
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