Description

Option 00 (0.0 in unthreaded length), Option 07 (0.7 in case length), and Option 05 (CSA/ATEX/IECEx approvals) define this 3300 XL NSv proximity probe configuration — 330905-00-07-10-02-05. The 330905 is a 3300 XL NSv proximity probe with an M10x1 threaded body, designed for machinery applications where space constraints or small target areas prevent the use of standard 8 mm probes. This eddy-current displacement probe is a critical component of the 3300 XL NSv transducer system, used to measure radial vibration and axial position on high-speed rotating equipment. It provides a linear output signal corresponding to the distance between the probe tip and the observed conductive surface, ensuring accuracy in scenarios such as small-bore compressors and aeroderivative turbines where standard probe installation is restricted by counterbore or side-view limitations.

Features

• M10x1 threaded body (Option 00, fully threaded).
• 0.7 in total case length (Option 07).
• 1.0 m total system length (Option 10).
• Miniature coaxial ClickLoc connector (Option 02, standard cable).
• Multiple hazardous area approvals including CSA, ATEX, and IECEx (Option 05).
• Designed for small target areas and tight clearances where standard 3300 XL 8 mm probes are ineffective.

Applications

• Aeroderivative gas turbines.
• Small-bore process gas compressors and refrigeration compressors.
• Centrifugal air compressors with tight installation requirements.
• Radial vibration and axial (thrust) position measurements on shafts smaller than 51 mm.
• Tachometer, zero speed, and Keyphasor phase reference signal acquisition.

Ordering Information

Option	Code on This SKU	Description
Orderable Part Number	330905-00-07-10-02-05	3300 XL NSv Proximity Probe, M10x1
A - Unthreaded Length	00	0.0 in (fully threaded)
B - Case Length	07	0.7 in case length
C - Total Length	10	1.0 m system length
D - Connector/Cable	02	Miniature ClickLoc coaxial, standard cable
E - Agency Approval	05	CSA, ATEX, IECEx (Multiple approvals)

Technical Specifications

Parameter	Specification
Manufacturer	Bently Nevada
Model	330905-00-07-10-02-05
Probe Thread	M10x1
Probe Case Length	0.7 in
System Length	1.0 m
Connector Type	Miniature coaxial ClickLoc
Tip Material	Polyphenylene sulfide (PPS)
Case Material	AISI 304 stainless steel
Agency Approvals	CSA, ATEX, IECEx

Installation Guidelines

• Ensure the probe is connected to a compatible 3300 XL NSv Proximitor sensor and extension cable.
• Maintain proper gap settings as defined by the machinery monitoring requirements to ensure linear performance.
• Use appropriate torque when installing the probe to avoid damage to the threads.
• For hazardous area installations, adhere to Bently Nevada drawing 141092 for intrinsically safe circuits or 140979 for non-incendive installations.
• Protect all coaxial connections with silicone self-fusing tape or connector protectors if the environment poses a contamination risk.

Compliance and Certifications

• Functional Safety: SIL 2 (HFT=0), SIL 3 (HFT=1)
• Hazardous Area: ATEX/IECEx (Ex ia IIC T5...T1 Ga, Ex nA IIC T5...T1 Gc), CNRTLUS (Class I, Zone 0/2)
• RoHS: Directive 2011/65/EU and China RoHS (EFUP 15 years)