Brookfield LFRA Texture Analyzer Bedienungsanleitung PDF herunterladen (Seite 14)

Brookeld Engineering Labs., Inc. Page 14 Manual No. M/05-370-B0507

A test may be repeated by simply pressing the Start button while viewing the results.

The test may be stopped at any time by using the Stop / Reset button or by pressing Emergency

Stop. We recommend that the Stop / Reset button be used for normal operation. The Emergency

Stop is intended for emergency use only.

III.8 Results

Twoparameterswillbedisplayedattheconclusionofatest:PeakLoadandFinalLoad.Both

Peak and Final Load are displayed in units of grams (g). The Peak Load is the highest load value

recorded during the test. The Final Load is the last load value recorded during the downward

traveloftheprobe.ItispossibleforthePeakLoadtobehigherthantheFinalLoad;forex

ample, a material with an outer skin such as an apple will show a very high value when the probe

penetrates the skin and a lower value during the remainder of the test.

You may choose to record either Peak Load or Final Load or both. The determination of what

data to record should be based on the nature of the sample and the ability to relate the data to the

material behavior being investigated. For example, if you are interested in the hardness of the

skin of the apple, then you may choose the Peak Load value. If you are interested in the ripeness

oftheeshoftheapple,youmaychoosetheFinalLoadvalue.

III.9 Checking Calibration

TheloadcalibrationoftheLFRATextureAnalyzercanbeveriedusingtheStaticLoadmode.

WerecommendthatyouusetheBrookeldweightsetappropriateforyourLFRAloadrange:

BEL Part No. Load Range

•TA-CW-100C 100 gram

•TA-CW-1000C 1000 gram

•TA-CW-1500C 1500 gram

•TA-CW-4500C 4500 gram

The frequency of the calibration veri-

cationshouldbesetinaccordanceto

your company procedures.

Startthecalibrationvericationpro-

cess by using the Select / Scroll knob

to set the test mode to Static Load and

then press the Start button. The display

will request that you attach the Hanger

Mount to the Probe Shaft (see Figure

III.8);thenpressStart.TheLFRAmust

nowbezeroedbypressingtheStart

button.

Figure III.8

Hanger

Hanger Mount

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Brookfield LFRA Texture Analyzer Bedienungsanleitung Seite 14