Overview
Configured for non-contact conductive-target position and vibration measurement in a Bently Nevada 3300 XL 8 mm proximity sensing chain, the Bently Nevada 330106-05-30-50-02-00 (330106 reverse mount proximity probe) provides the physical sensing element between the monitored target and the associated Proximitor Sensor. The probe uses a 5 m triaxial cable and an M10 x 1 case thread.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330106-05-30-50-02-00 |
| Brand | Bently Nevada |
| Product Type | Reverse mount proximity probe |
| Series | 3300 XL 8 mm |
| Dimensions | Total probe length: 5 m; case thread: M10 x 1 |
| Operating Temp | -52 to +177 deg C |
| Power Consumption | Not applicable; passive sensing probe |
| Probe Mounting | Reverse mount |
| Armor Selection | Without armor |
| Cable and Connector Option | Standard cable without connector protector |
| Case Material | AISI 303 or 304 stainless steel |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Cable Construction | 75 ohm triaxial cable |
| Probe Cable Insulation | FEP |
| Recommended Mounting Torque | 7.5 N m |
| Connector Material | Gold-plated brass or beryllium copper |
Eddy-Current Probe Scaling and Gap Validation
The 330106-05-30-50-02-00 forms part of an eddy-current proximity measurement chain. The probe establishes the electromagnetic sensing interface with the conductive machine target, while the matching Proximitor Sensor supplies the associated signal conditioning.
For commissioning, verify the probe, extension cable, and Proximitor Sensor as one calibrated sensing chain. Gap voltage validation should follow the applicable Bently Nevada system procedure, including the specified negative DC bias target where required. Correct probe positioning directly affects the available measurement range and the resulting displacement or vibration signal.
The 75 ohm triaxial cable uses FEP insulation. Keep the sensing cable separated from high-energy power conductors and avoid unnecessary routing changes that could affect the installed signal path.
Frequently Asked Questions
Q: What mounting interface does the 330106-05-30-50-02-00 use?
A: The probe uses an M10 x 1 case thread and a reverse-mount configuration. The specified recommended mounting torque is 7.5 N m.
Q: Is the probe armored?
A: No. The specified configuration uses standard cable without armor and without a connector protector.
Q: What operating temperature range does the probe support?
A: The specified operating and storage range is -52 to +177 deg C.
Field Installation Guidelines
Install the probe with the specified reverse-mount orientation and maintain the M10 x 1 threaded interface in clean mechanical condition. Apply the specified 7.5 N m mounting torque without loading the probe body or cable.
Route the 75 ohm triaxial cable away from power conductors and other strong electrical interference sources. Avoid sharp bends, excessive mechanical tension, and repeated movement at the probe exit point.
Connect the probe to the matching extension cable and Proximitor Sensor specified for the sensing chain. Verify connector engagement before commissioning.
During setup, confirm probe gap and signal polarity against the applicable system calibration procedure. Check the complete measurement chain before placing vibration or position data into service.
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