Fluke 805 Data Sheet
Fluke 805
Vibration Meter
Now compatible with Fluke
Connect
The reliable, repeatable, accurate way to
check bearings and overall vibration.
Make go or no-go maintenance decisions with
confidence. The Fluke 805 Vibration Meter is the
most reliable vibration screening device available
for frontline mechanical troubleshooting teams that
need repeatable, severity-scaled readings of overall
vibration and bearing condition
What makes the Fluke 805 the most reliable
vibration screening device available?
• Innovative sensor design minimizes measurement variations caused by device angle or contact
pressure
• Consistent data quality at both low and high
frequency ranges
• Four-level severity scale assesses urgency of problems for overall vibration and bearing condition
• Exportable data via USB
• Trending in Microsoft® Excel using built-in
templates
• Overall vibration measurement (10 Hz to 1,000 Hz)
for acceleration, velocity and displacement units of
measurement for a wide variety of machines
• Crest Factor+ technology provides reliable bearing
assessment using direct sensor tip measurements
between 4,000 Hz and 20,000 Hz
• Compare vibration levels with ISO-10816 severity
scales and store results to the Fluke Connect Cloud
• Get authorization to take next steps in an instant if
machine health is at risk via Fluke Connect™ ShareLive™ video call
• Colored lighting system (green, red) and on-screen
comments indicate how much pressure needs to be
applied to take measurements
• Temperature measurement with Spot IR Sensor
increases diagnostic capabilities
• On-board memory holds and saves up to 3,500
measurements
• External accelerometer support for hard to reach
locations
• Flashlight for viewing measurement locations in
dark areas
• Large screen with high resolution for easy navigation and viewing
™ Mobile App
Technical Data
Built with
See it. Save it. Share it.
All the facts, right in the field.
Fluke Connect with ShareLive™ is the only wireless measurement system
that lets you stay in contact with your entire team without leaving the
field. The Fluke Connect mobile app is available for Android™ (4.3
and up) and iOS (4s and later) and works with over 20 different Fluke
products—the largest suite of connected test tools in the world. And more
are on the way. Go to the Fluke website to find out more.
Make the best decisions faster than ever before by viewing all
temperature, mechanical, electrical and vibration measurements for
each equipment asset in one place. Get started saving time and
increasing your productivity.
Download the app at:
Smart phone not included with purchase.
What is Crest Factor +?
What is Crest Factor +?
Fluke 805 with Crest Factor + takes the
confusion out of bearing assessment
The original Crest Factor is used by vibration analysts
to identify bearing faults. It is defined as the ratio of
the peak value/RMS value of a time domain vibration
signal.
A key limitation of using Crest Factor to identify
bearing faults is that the Crest Factor does not increase
linearly as the bearing degrades. In fact, the Crest
Factor can actually decrease as a bearing nears catastrophic failure due to large RMS values.
In order to overcome this limitation, Fluke uses
a proprietary algorithm known as Crest Factor +
(CF+). CF+ values range from 1 to 16. As the bearing
condition worsens, the CF+ value increases. To keep
things simple, Fluke has also included a four-level
severity scale that identifies the bearing health as
Good, Satisfactory, Unsatisfactory or Unacceptable.
High Frequency
4,000 Hz to 20,000 Hz
Overall Vibration
Frequency Range
10 Hz to 1,000 Hz
Temperature
-20 °C to 200 °C
Bearing Vibration
(CF+)
Overall Vibration
IR Temperature
Exporting and Trending
with the 805
Export and Trend in Excel
Trending, or repeated vibration measurements kept in
a spreadsheet over time, is the best method to track
machine health. With 805 you can easily:
• Export your result to Excel through USB connection
• Trend the readings with the pre-built Excel
templates and plot graphs
• Compare the overall vibration readings to ISO
Standards (10816-1, 10816-3, 10816-7)
Import measurements from the 805 Vibration Meter
to an Excel template on your PC in order to trend
the bearing parameters: overall vibration, CF+, and
temperature. Looking at just the number alone for the
overall vibration or temperature might not be of much
benefit to the operator or technician if they don’t know
what the number means. The user may not know what
is normal or what indicates a problem.
If measurements taken on the operator rounds are
easily loaded into Excel, then the trend will show
patterns of something that is becoming abnormal.
The user can now see a clear picture of the changing
bearing condition and deteriorating health of the
machine.
Sample trend plot using the Fluke 805 trending template.
2 Fluke Corporation Fluke 805 Vibration Meter
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