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Fluke 805 FC

Compact vibration tester measures data in low and high frequency range

Fluke 805 FC compact portable vibration measurement tool

Ease of use and consistent data quality

Various jobs can be created and managed per app, while the vibration tester reliably measures repeatable data in the low- and high-frequency ranges.

Independent data management via the app

Measurement results are automatically stored in the cloud. There, the maintenance team can access and analyze them at any time. Similarly, routes can be checked and created.

Innovative sensor concept

A combination force sensor tip and vibration sensor compensates for user variance (force or angle) yielding in accurate, repeatable readings.

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Compact design with outstanding features

  • Compatible with Fluke Connect app: Allows mobile data management, route creation, retrieval of measurement data via smartphone/tablet, creation of machine profiles, remote access by the maintenance team

  • Consistent vibration measurement on bearings and other machine components in the low- and high-frequency range

  • Four-level fault severity scale for quick evaluation of the measure urgency

  • Compatible with Excel: Quick trend display in ready-made templates

  • Measuring frequency from 10 - 1,000 Hz for acceleration, speed, and misalignment

  • In Crest Factor + mode, current bearing conditions can be reliably evaluated with the sensor tip measurement between 4,000 - 20,000 Hz

  • Infrared temperature sensor

  • Compatible with an external accelerometer (for hard-to-reach areas)

  • Flashlight output

  • Industrial Hi-Res display


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Product description

The Fluke 805 FC is highly reliable and provides consistent measurement data. The data can be retrieved from the cloud via the app. The Fluke Connect app enables easy and fast working on your mobile phone, tablet, and PC. Machine profiles can be created, and maintenance routes can be defined and optimized.

At the same time, trend profiles can be quickly and systematically viewed and evaluated in prescribed Excel templates (connection via USB).

The device is easy to use. A combination force sensor tip and vibration sensor compensates for user variance (force or angle) yielding in accurate, repeatable readings.

Last but not least, with the ability to connect a stationary accelerometer, the Fluke 805 FC combines the compact design of a measuring pin with a powerful, heavy-duty data collector.

The Fluke 805 FC Vibration Tester is ideally suited for cooling systems, fans, cooling tower drives, centrifugal pumps, displacement pumps, compressors, blowers, gearboxes, or even machine tools.


The key feature of the Fluke 805 FC is the Crest Factor + mode in addition to the Fluke Connect app.

The actual crest factor is used by vibration measurement technicians to analyze bearing failures. The crest factor is the ratio of peak value and effective value (RMS) of the vibration in the time domain.

A major limitation in using the crest factor to analyze bearing failures is the fact that the crest factor does not behave inversely proportional to bearing decay. The crest factor may even decrease with large RMS values​when the bearing is facing catastrophic failure.

To overcome this limitation, Fluke uses a proprietary algorithm called Crest Factor+ (CF+). The CF+ values range from 1 to 16. If the bearing condition deteriorates, the CF+ value increases. For simplicity's sake, Fluke has also introduced a four-level severity scale that categorizes the bearing condition in Good, Satisfactory, Unsatisfactory, or Unacceptable.

Watch our videos for
Vibration Analysis and Balancing with Fluke 805 FC

Fluke 805 Vibration Meter:
User experience

How to identify the right time to maintain your machines with the Fluke 805 FC Vibration Meter
How to measure vibration with
the Fluke 805 Vibration Meter