Description

Bently Nevada 330171-00-12-10-01-05 3300 5 mm Proximity Probe

The Bently Nevada 330171-00-12-10-01-05, also cataloged as the 330171 3300 5 mm Proximity Probe, operates as a dedicated hardware component for shaft displacement and vibration measurement within the 3300 Transducer System.

Hardware Specifications

Parameter	Specification
Model	330171-00-12-10-01-05
Brand	Bently Nevada
Product Type	3300 5 mm Proximity Probe
Origin	USA
Dimensions	Case length 1.2 in; total cable length 1.0 metre
Operating Temp	-35 deg C to +177 deg C
Power Consumption	Supplied by compatible 3300 Proximitor Sensor
Sensor Technology	Non-contacting eddy current proximity measurement
Measurement Range	2.0 mm linear range
Recommended Gap Setting	1.27 mm
Output Sensitivity	-200 mV/mil with matching 3300 Proximitor Sensor
Thread Size	1/4-28 UNF
Probe Tip Material	Polyphenylene Sulfide (PPS)
Probe Case Material	AISI 303 or 304 Stainless Steel
Cable Type	75 ohm triaxial cable with FEP insulation
Connector Type	Miniature coaxial ClickLoc connector with protector
Cable Length	1.0 metre
Agency Approval	Multiple hazardous area approvals

Eddy Current Measurement and Rotor Dynamics

The 330171-00-12-10-01-05 uses eddy-current probe scaling to convert shaft position changes into proportional electrical signals. Therefore, the matching 3300 Proximitor Sensor processes the probe signal for vibration, position, and gap monitoring functions.

The system requires correct gap voltage validation during installation. Technicians normally verify the probe operating point near the -10 VDC target range to maintain measurement accuracy within the transducer system.

Additionally, the probe supports rotor dynamics analysis by providing shaft displacement data from rotating equipment. The non-contact measurement method eliminates mechanical contact between the probe tip and the rotating surface.

Frequently Asked Questions

Q: What type of signal does the 330171-00-12-10-01-05 generate?
A: The probe generates an eddy-current displacement signal that requires connection to a compatible 3300 Proximitor Sensor for voltage output conversion.

Q: Can the probe measure shaft vibration without physical contact?
A: Yes. The probe measures shaft movement through an electromagnetic eddy-current field without contacting the rotating shaft.

Q: What installation factor affects measurement accuracy?
A: Probe gap setting, target material condition, cable routing, and proper connection to the Proximitor Sensor directly affect measurement performance.

Field Installation Guidelines

• Install the probe using the specified 1/4-28 UNF mounting thread and maintain mechanical alignment with the shaft target surface.
• Set the probe gap according to the 3300 Transducer System calibration requirements before operation.
• Route the triaxial cable away from high-voltage power conductors and strong electromagnetic interference sources.
• Maintain proper cable connector engagement to preserve ClickLoc connector performance.
• Connect the cable shield according to the system grounding practice to reduce electrical noise interference.
• Verify the gap voltage and output signal before placing the monitored machine into service.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems