Bently Nevada 330172-00-20-90-01-05 3300 5 mm proximity probe

Frequently asked questions
Q:What is the recommended target material for the best measurement accuracy?
A:The transducer system is calibrated for an AISI 4140 steel target, which provides the specified linearity and measurement performance.

Q:Does this model support hazardous-area installations?
A:Yes. Option 05 provides CSA, ATEX, and IECEx approvals for applications requiring certified equipment. Product-specific approvals are listed in the official Approvals Quick Reference Guide.

Q:What type of measurements can this probe perform?
A:When installed as a complete transducer system, it provides accurate measurements of both dynamic shaft vibration and static shaft position using eddy-current sensing technology.

Description

The Bently Nevada 330172-00-20-90-01-05 is a 3300 5 mm proximity probe configured for use in the 3300 5 mm Proximity Transducer System. This model features a 1/4-28 UNF threaded probe with stainless-steel armor, 2.0-inch overall case length, 9.0-meter integral cable, a Miniature ClickLoc connector with connector protector and standard cable, and CSA, ATEX, and IECEx hazardous-area approvals (Option 05). When paired with a compatible 3300 XL extension cable and 3300 XL Proximitor Sensor, the probe produces an output proportional to the distance between the probe tip and the conductive target surface, enabling accurate measurement of both shaft vibration and shaft position. The system provides stable performance over a wide operating temperature range with fully interchangeable components, eliminating the need for individual calibration or component matching.

Parameter

Model: 330172-00-20-90-01-05 3300 5 mm proximity probe
Unthreaded Length Option: 00-0.0 in
Overall Case Length Option: 20-2.0 in
Total Length Option: 90-9.0 metres (29.5 feet)
Connector Option: 01-Miniature coaxial ClickLoc connector with connector protector, standard cable
Agency Approval Option: 05-Multiple Approvals

Application areas

• Industrial Manufacturing – Used in machinery protection systems for high-speed rotating equipment where stable non-contact vibration and position monitoring is required.
• Power Generation – Applied to steam turbines, generators, feedwater pumps, and auxiliary rotating equipment to support continuous condition monitoring and predictive maintenance.
• Oil and Gas Industry – Used on centrifugal compressors, gas turbines, pumps, and other critical rotating equipment to monitor shaft vibration, axial position, and rotational speed for machinery protection.

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