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Fluke 805 Vibration Meter
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Item Number: FLUKE-805
Manufacturer: Fluke
Part Number: FLUKE-805
* Whole number only
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Fluke 805 Handheld Vibration Meter
The Fluke 805 portable vibration meter is a reliable, repeatable, accurate test instrument for
checking bearings and most mechanical vibration problems.
Quickly and easily determine go or no-go maintenance decisions with confidence.
The Fluke 805 Vibration Meter is the most reliable vibration screening device available for frontline mechanical
troubleshooter and maintenance departments that need repeatable, severity scaled readings of overall mechanical vibration and bearing condition.
Fluke 805 Features
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Integral and Innovative sensor design minimizes measurement variations caused by angle or contact
pressure
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Consistent data quality across low and high
frequency ranges
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Four-level severity scale assesses urgency of problems for overall vibration and bearing condition
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Exportable data via USB
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Trending in Microsoft Excel using built-in
templates
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Overall vibration measurement (10 Hz to 1,000 Hz) for acceleration, velocity and displacement units of
measurement for a wide variety of machines
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Crest Factor+ technology provides reliable bearing
assessment using direct sensor tip measurements
between
4,000 Hz and 20,000 Hz
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Colored lighting system (green, red) and on-screen
comments indicate how much pressure needs to be
applied
to take measurements
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Temperature measurement with Spot IR Sensor
increases diagnostic capabilities
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On-board memory holds and saves up to 3,500 measurements
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Audio output for listening to bearing tones directly
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External accelerometer support for hard to reach
locations
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Flashlight for viewing measurement locations in
dark areas
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Large screen with high resolution for easy navigation and viewing
Fluke 805 Applications
Chiller (refrigeration)
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Reciprocating (Open motor and compressor
separate)
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Reciprocating (Hermetic motor and compressor)
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Centrifugal (Hermetic or Open Motor)
Fans
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Belt-driven Fans 1800 to 3600 RPM
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Belt-driven fans 600 to 1799 RPM
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General direct drive fans (direct coupled)
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Vacuum blowers (belt or direct drive)
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Large forced draft fans (fluid film brgs.)
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Large induced draft fans (fluid film brgs.)
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Shaft-mounted integral fan (extended motor shaft)
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Axial flow fans (belt or direct drive)
Cooling tower drives
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Long, hollow drive shaft (motor)
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Belt drive (motor and fan - all arrangements)
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Direct drive (motor and fan - all arrangements)
Centrifugal Pumps
Note: height is measured from grade to top motor bearing
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Vertical pumps (12’ to 20’ height)
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Vertical pumps (8’ to 12’ height)
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Vertical pumps (5’ to 8’ height)
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Vertical pumps (0’ to 5’ height)
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Horizontal centrifugal end suction pumps – direct
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Horizontal centrifugal double suction pumps –
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Boiler feed pumps (turbine or motor driven)
Positive Displacement Pumps
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Positive displacement horizontal piston pumps
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Positive displacement horizontal gear pumps (under
Air compressors
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Centrifugal with or without external gearbox
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Centrifugal – internal gear (axial meas.)
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Centrifugal – internal gear (radial meas.)
Blowers
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Lobe-type rotary blowers (belt or direct drive)
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Multi-stage centrifugal blowers (direct drive)
Machine tools
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Spindles – roughing operations
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Spindles – machine finishing
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Spindles – critical finishing
Generic gearboxes (rolling element bearings)
What is Crest Factor?
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+). Crest factor+ 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.
Vibraion data exporting and trending with the Fluke 805
The Fuke 805 allows the usre to Export and Trend vibration data in Excel
Trending, or repeated vibration measurements kept in
a spreadsheet over time, is the best method to track
machine health. With the Fluke 805 you can easily:
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Export your result to Excel via USB connection
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Trend the readings with the pre-built Excel
templates and plot graphs
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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
Fluke 805 Specifications
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Product Reviews
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