Non-contact target sensing
The 5 mm tip faces the conductive target and changes the probe circuit as the gap varies, capturing both average position and movement without rubbing the observed surface.
Bently Nevada · 7200 Series5 mm Standard-Mount Probe
Bently Nevada 21500-00-32-10-00 7200 Series 5 mm Proximity Probe
Thread1/4-28 UNFCase3.2 inLead1.0 mTerminationNo connector
Product Description
The Bently Nevada 21500-00-32-10-00 is a standard-mount 5 mm proximity probe from the 7200 Proximity Transducer System. Its fiberglass probe body uses a 1/4-28 UNF threaded case to observe the distance between the probe tip and a conductive machine target without physical contact, while the integral coaxial lead carries that gap-dependent signal toward the matched 7200 electronics.
Catalog options make the mechanical and cable arrangement of 21500-00-32-10-00 explicit: code 00 provides no unthreaded section, code 32 sets a 3.2-inch overall case, code 10 supplies a 1.0-metre integral lead, and the final 00 leaves the lead without a miniature coaxial connector. In a calibrated 7200 chain, the probe, cable path and Proximitor work together to convert target distance into the conditioned voltage used for static gap and dynamic displacement measurement.
Technical Specifications
| Technical Item | 21500-00-32-10-00 |
|---|---|
| Brand | Bently Nevada |
| Product Type | 7200 Series 5 mm standard-mount proximity probe |
| Product Origin | USA |
| Product Family | 7200 5 mm and 8 mm Proximity Transducer Systems |
| Probe Tip Diameter | 5 mm |
| Mounting Configuration | Standard mount |
| Case Thread | 1/4-28 UNF |
| Lead Armor | No |
| Unthreaded Length Option | 00 — 0.0 in |
| Overall Case Length Option | 32 — 3.2 in (81.3 mm) |
| Integral Cable Length Option | 10 — 1.0 m (39 in); +0.25/−0.10 m tolerance |
| Connector Option | 00 — without connector |
| Maximum Probe Diameter | 0.111 in (3.4 mm) for 21500 / 21501 probes |
| Probe and Cable Temperature | −34…+177 °C (−30…+350 °F) |
| Matched 7200 System Calibrated Range | 2.0 mm (80 mil); begins about 0.25 mm from the probe face |
| Matched 7200 System Scale Factor | 7.87 V/mm (200 mV/mil) |
| Matched 7200 System Frequency Response | 0…10 kHz; −5% at 10 kHz |
Product Functions
21500-00-32-10-00 is the sensing end of a three-part 7200 measurement path; it does not create the final conditioned monitor signal by itself.
Integral coaxial path
The one-metre lead carries the probe response away from the machine. Because option 00 has no connector, the installed termination method must preserve the documented coaxial signal path.
Conditioned system output
The matched Proximitor excites the probe, detects the return change and conditions it into a linear voltage for the monitor across the calibrated system range.
Installation Highlights
The fully threaded geometry of 21500-00-32-10-00 places mounting adjustment along the 3.2-inch case while keeping the complete one-metre lead behind the probe.
1/4-28 standard mount
The case threads into the prepared bracket or machine fitting, and the jam-nut arrangement locks the established probe-to-target gap.
Zero smooth length
Option 00 means the case has no separate unthreaded section, so the threaded mounting form begins immediately behind the probe-tip region.
Connector-free lead
The final 00 is the ordered without-connector execution and must remain visible during identification, termination planning and replacement.
Frequently Asked Questions
Why does 21500-00-32-10-00 not have the miniature coaxial connector shown on many 7200 probes?
The final option code is 00, which specifies a lead without the miniature male coaxial connector. This is an intentional catalog configuration, so a received unit should not be rejected solely because the connector is absent.
What must match when replacing 21500-00-32-10-00?
Keep the 21500 probe family, 1/4-28 standard-mount case, 3.2-inch case length, one-metre lead and connector-free ending together. A nearby 21500 code can differ mechanically or at the cable termination even when its 5 mm sensing tip looks similar.
Can the one-metre lead on 21500-00-32-10-00 be shortened to fit the enclosure?
The integral lead is part of the transducer system's electrical length and should not be shortened or spliced as ordinary field wire. Route the documented length with suitable clearance, or select the correct catalog configuration before installation.
Why can 21500-00-32-10-00 remain outside the usable range after mounting?
The probe face may be too close to or too far from the target, or the probe, lead and Proximitor may not form the intended calibrated chain. Re-establish the mechanical gap and verify the complete component configuration before treating the probe as failed.
Which dimensions should be checked before ordering 21500-00-32-10-00?
Confirm that the 1/4-28 mounting thread and 3.2-inch fully threaded case fit the available bracket depth and adjustment space. Also reserve a protected route for the one-metre coaxial lead and the required connector-free termination.
Customer Support
Clear support from enquiry to delivery
A dedicated contact keeps the complete catalog number, quotation detail and shipping record attached to the same request.
Catalog check
Full suffixes are reviewed before quotation.
Original products
Identification remains traceable through supply.
One-year warranty
Coverage stays linked to the order record.
Global delivery
Packing and tracking are coordinated.
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