21747-080-00 Bently Nevada 7200 Extension Cable
21747-080-00
21747-080-00 is a legacy Bently Nevada 7200 extension cable for compatible 5 mm and 8 mm proximity transducer systems. 21747-080-00 decodes to an 8.00 m electrical cable length with no armor; the OEM notes that physical length equals electrical length within +/-10%. 21747-080-00 is the extension-cable component only, not a complete proximity transducer system, and it must be matched to the correct probe lead length and 18745 Proximitor calibration.
Scope note: 21747-080-00 does not include a probe, Proximitor, monitor or field wiring. Complete-system measurement performance must not be assigned to 21747-080-00 alone.
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21747-080-00 decodes exactly in Bently Nevada L5001 as a 21747 extension cable with 080 length and 00 armor options.
21747-080-00 is intended for a matched legacy 7200 5 mm or 8 mm chain. With a compatible 1 m probe lead, 21747-080-00 forms the nominal 9 m cable length used with an 18745-04 Proximitor; verify the installed chain.
21747-080-00 does not include a probe, Proximitor, monitor or field wiring. Complete-system measurement performance must not be assigned to 21747-080-00 alone.
| Manufacturer | Bently Nevada Corporation |
|---|---|
| Part number | 21747-080-00 |
| Lifecycle | Legacy 7200-series component |
| Component | Extension cable for legacy 7200 5 mm and 8 mm probes |
| Electrical length | 8.00 m (315 in) |
| Physical-length tolerance | Equals electrical length within +/-10% |
| Armor | Without armor |
| Operating temperature | -34 to +177 deg C (-30 to +350 deg F) |
| Relative humidity | Up to 95%, noncondensing |
| Typical matched nominal chain | Compatible 1 m probe lead plus 21747-080-00 plus 18745-04 for a nominal 9 m system; verify installed electrical lengths |
| Not included | Probe, Proximitor, monitor and field wiring |
| Manufacturer source | Bently Nevada L5001 (04/90), OEM ordering literature archived by NASA NTRS |
| Complete-system Required chain | 21747-080-00 must be used with a compatible 7200 probe, extension cable where required, and 18745 Proximitor whose lengths form the specified 5 m or 9 m system. |
| Complete-system Calibrated range | 2.0 mm (80 mil), beginning at approximately 0.25 mm (10 mil) from the probe face |
| Complete-system Scale factor | 7.87 V/mm (200 mV/mil), +/-4% when calibrated as a system; within +/-9.5% including interchangeability error |
| Complete-system Linearity | Within 0.02 mm (0.8 mil) when calibrated as a system; within 0.06 mm (2.3 mil) including interchangeability error |
| Complete-system Frequency response | 0 to 10 kHz; -5% at 10 kHz |
| Complete-system Measurement principle | Non-contacting eddy-current, gap-to-voltage displacement measurement |
| Complete-system Legacy monitor compatibility | The OEM literature identifies complete 7200 systems as compatible with 3300 and 9000 Monitoring Systems |
Compatibility statements are limited to the cited manufacturer documentation. Availability, condition and substitution must be confirmed separately.
21747-080-00 is a legacy Bently Nevada 21747 extension cable for compatible 7200 5 mm and 8 mm proximity transducer systems. 21747-080-00 is a cable component only.
21747-080-00 uses option 080, which the OEM table defines as an 8.00 m (315 in) electrical length.
21747-080-00 uses armor option 00, so 21747-080-00 is supplied without armor.
The OEM note states that 21747-080-00 physical length equals its electrical length within +/-10%.
21747-080-00 can form a nominal 9 m chain when paired with a compatible 1 m probe lead and an 18745-04 Proximitor; always verify the complete 21747-080-00 installation.
21747-080-00 cannot be used by itself. 21747-080-00 requires a compatible 7200 probe and correctly calibrated 18745 Proximitor; the monitor and field wiring are separate.
21747-080-00 alone does not provide a guaranteed measurement range. The published 2 mm system range applies only when 21747-080-00 is one correctly matched component of the complete 7200 transducer chain.
When replacing 21747-080-00, verify the full 21747-080-00 number, 8.00 m electrical length, no-armor option, probe lead length, Proximitor calibration and connector condition.
Send the complete part number, installed-system details, quantity, destination and clear label photos. Availability and condition will be confirmed before quotation.
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