وصف

Bently Nevada 330907-05-30-05-02-CN 3300 NSv Reverse Mount Probe

The Bently Nevada 330907-05-30-05-02-CN, also cataloged as the 330907 3300 NSv Reverse Mount Probe, operates as a dedicated hardware component for eddy-current displacement measurement within Bently Nevada TSI monitoring systems. It provides non-contact shaft vibration, axial position, and speed sensing through an associated Proximitor Sensor.

Hardware Specifications

Parameter	Specification
Model	330907-05-30-05-02-CN
Brand	Bently Nevada
Product Series	3300 NSv Reverse Mount Proximity Transducer System
Product Type	Eddy-Current Proximity Probe
Origin	USA
Weight	0.02 kg
Dimensions	Estimated shipping size: 1.1 x 0.9 x 62 cm
Operating Temp	-35 deg C to +177 deg C (Probe/Cable)
Storage Temp	-51 deg C to +177 deg C
Power Consumption	Supplied by associated Proximitor Sensor, -17.5 VDC to -26 VDC operating supply
Linear Range	1.5 mm (approximately 60 mils)
Scale Factor	7.87 V/mm (200 mV/mil)
Frequency Response	0 Hz to 6.5 kHz (+0, -3 dB)
Probe Mounting	Reverse Mount, M10 x 1 metric thread
Unthreaded Length	50 mm
Overall Case Length	300 mm
Cable Length	0.5 meter (1.67 ft)
Connector Type	Miniature coaxial ClickLoc connector
Probe Tip Material	Polyphenylene Sulfide (PPS)
Probe Body Material	304 Stainless Steel
Cable Material	FEP insulated coaxial cable
Hazardous Area Approval	ATEX / IECEx / NEPSI

Eddy-Current Probe Scaling and Rotor Dynamics Monitoring

The 330907-05-30-05-02-CN applies eddy-current probe scaling to convert shaft displacement into proportional electrical output signals. Therefore, the associated monitoring channel can process radial vibration and axial position data with the defined 7.87 V/mm scale factor.

The probe supports rotor dynamics analysis by providing direct shaft motion feedback without mechanical contact. In addition, the reverse-mount configuration allows installation from the machine housing side where standard front-mounted probes cannot be applied.

The system uses gap voltage validation to maintain correct probe operating conditions. During commissioning, technicians typically verify the probe gap voltage near the -10 VDC target range through the connected Proximitor Sensor before performing vibration measurements.

Frequently Asked Questions

Q: What measurement principle does the Bently Nevada 330907-05-30-05-02-CN use?
A: The probe uses an eddy-current sensing principle to measure shaft displacement without physical contact between the probe tip and rotating target.

Q: Is the 330907-05-30-05-02-CN compatible with standard 3300 NSv system components?
A: Yes. The probe operates with 3300 NSv extension cables and compatible Proximitor Sensors within the Bently Nevada 3300 NSv transducer system.

Q: What installation condition does the reverse-mount design address?
A: The reverse-mount design supports applications where access from the rear side of the machine casing is required because of limited installation clearance.

Field Installation Guidelines

• Install the probe using the specified M10 x 1 metric mounting interface and maintain mechanical alignment with the target shaft surface.
• Verify probe tip clearance before final tightening to prevent physical contact during shaft rotation.
• Route the coaxial cable away from high-current power conductors to reduce electrical interference.
• Maintain proper connector engagement using the ClickLoc locking mechanism and protect the connector area from contamination.
• Connect the probe to the approved Proximitor Sensor and verify gap voltage before enabling vibration monitoring channels.
• Confirm the probe output scaling configuration in the monitoring system before collecting rotor vibration or position data.

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