21504-000-020-05-02Bently Nevada Standard-Mount Probe
A 7200 Series 5 mm/8 mm proximity probe for non-contact static and dynamic displacement measurement as part of a matched probe, extension cable and Proximitor Sensor system.
Legacy Probe, System-Level Selection
Bently Nevada 21504-000-020-05-02 is a standard-mount proximity probe from the 7200 Series 5 mm/8 mm Proximity Transducer System. The system uses eddy-current technology to measure the distance between the probe tip and a conductive target without physical contact.
The probe works with a compatible extension cable and Proximitor Sensor. Together, the three components convert static and dynamic target movement into an electrical signal for machinery condition monitoring and protection.
The complete ordering number is important during maintenance because case length, cable length, connector arrangement and the installed electrical system must remain compatible.
21504-000-020-05-02 Configuration
Configuration and System Facts
The 7200 Series 5 mm/8 mm transducer assembly consists of a proximity probe, extension cable and Proximitor Sensor. Selection must preserve the complete electrical and mechanical arrangement.
- Manufacturer
- Bently Nevada, a Baker Hughes business
- Full Part Number
- 21504-000-020-05-02
- Product Family
- 7200 Series 5 mm/8 mm Proximity Transducer System
- Product Type
- Standard-mount proximity probe
- Measurement Principle
- Non-contacting eddy-current, gap-to-voltage transducer system
- Measured Quantity
- Static and dynamic distance to a conductive target
- Unthreaded Length
- 0.0 in
- Overall Case Length
- 2.0 in
- Total Probe Length
- 0.5 m
- Connector Option
- 02
- Required System Components
- 21504 probe, matching extension cable and 7200 Series Proximitor Sensor
- System Family Identification
- 7200 XL 5 mm/8 mm family: light yellow
Typical Proximity-System Applications
Measures dynamic shaft motion relative to the probe mounting location.
Tracks static shaft or rotor position against a suitable conductive target.
Supplies displacement information for machinery diagnostics and trending.
Provides the transducer signal used by a compatible monitoring system.
Replacement Requires a System Review
21504-000-020-05-02
The manufacturer has identified 7200 Series 5 mm/8 mm installations as an older transducer platform and recommends newer 3300 XL transducers for new installations. A specific discontinuation date, last-time-buy date or support-end date for this complete probe number is not published in the reviewed manufacturer material.
Migration checklist
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Frequently Asked Questions
What does Bently Nevada 21504-000-020-05-02 identify?
The part number identifies a 7200 Series 5 mm/8 mm standard-mount proximity probe with 0.0-inch unthreaded length, 2.0-inch overall case length and 0.5 m total length.
Which components operate with 21504-000-020-05-02?
The probe forms part of a 7200 Series 5 mm/8 mm proximity transducer system with a matching extension cable and 7200 Series Proximitor Sensor.
Where can 21504-000-020-05-02 be applied?
A correctly matched proximity transducer system supports non-contact measurement of static and dynamic distance, including radial shaft vibration and axial position applications on rotating machinery.
Has Bently Nevada published a discontinuation date for 21504-000-020-05-02?
The 21504 probe belongs to the legacy 7200 Series. A specific discontinuation date, last-time-buy date and support-end date for this complete part number are not stated in the reviewed manufacturer publications.
Can a 3300 XL 8 mm probe directly replace 21504-000-020-05-02?
No automatic one-for-one replacement should be assumed. A migration requires verification of the complete probe, extension cable and Proximitor Sensor system, mechanical fit, electrical length, output characteristics, monitor configuration, target material, mounting gap and approvals.
Send Your 21504 Inquiry
Manager: Leonia
Email: sales@mvme.cn
WhatsApp: +86 180 3017 5807
Include the complete part number, quantity, destination country and installed transducer-system details.
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