Brookfield LFRA Texture Analyzer Uživatelský manuál Strana 9

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Brookeld Engineering Labs., Inc. Page 9 Manual No. M/05-370-B0507
III. OPERATION
III.1 Principle
TheBrookeldLFRATextureAnalyzerdrivesaprobethroughasetdistanceatasetspeedintoa
samplematerialthatisplaced(orxed)onthebasetable.TheLFRAoffersavarietyofprobes,
xtures,andtestparameterstoprovidetheuserwitharangeofoptionsforevaluatingthetexture
of a sample material. The following section describes the use of the LFRA.
III.2 Emergency Stop
TheLFRATextureAnalyzercanoperatewithupto4500g(4.5kg)offorcedependent
on load cell. Be sure to place only the sample for test under the probe. Keep body
parts and clothing away from the probe during the test.
TheLFRATextureAnalyzerusesacompressionforcetoevaluateamaterial.Theusermusttake
carenottoplaceanybodypartorclothinginthecompressionzone.TheLFRATextureAnalyz
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er is provided with an Emergency Stop Button for use in case of an operational problem.
PressingtheEmergencyStopButtonwillcausethreeimmediateactions:1)Stopthetestin
progress. 2) Return the probe to the top most position. 3) Reset the LFRA to the Emergency
Stop display, Figure III.1.
EMERGENCY STOP
RESET EMERGENCY STOP
Figure III.1
The Emergency Stop condition can be canceled by rotating the Emergency Stop Button clock-
wise.ThiswillresettheLFRArmwaretothepowerupcondition.
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