Brookfield LFRA Texture Analyzer Manuale Utente Scaricare il pdf (Pagina 11)

Brookeld Engineering Labs., Inc. Page 11 Manual No. M/05-370-B0507

III.4 Probes

TherearearangeofprobesavailableforusewiththeLFRATextureAnalyzer(seeAppendixA).

AllprobesareconguredwitharighthandthreadtoattachtotheLFRA.Attachtheprobewith

care to prevent damage to the threads. Do not overtighten!

The probes may be cleaned while attached to the LFRA. Follow recommendations in Section

I.8.

Do not apply excessive upward, downward or sideways force. Damage may occur to

the load cell.

III.5 Fixtures / Jigs

Therearearangeofxtures/jigsavailableforusewiththeLFRATextureAnalyzer(seeAppen

dixA).Thesedevicesaredesignedtoholdasampleinplaceduringmeasurement.Eachxture/

jigisdesignedtoattachtotheBaseTable.Refertotheinstructionsprovidedwiththexture/jig

for proper installation.

Note: Brookeldcandesigncustomxtures/jigstomeetyourapplication.ContactBrook-

eldorourauthorizeddealerfordetails.

III.6 Operating Menu

TheLFRATextureAnalyzeroffersfour(4)testmodesandone(1)calibrationmode.Eachtest

mode requires parameters to be set. These parameters, once set, will be maintained by the LFRA

during a power down to facilitate repetitive testing. The test mode used prior to a power down

will be presented on the screen at the next power up.

All test mode selection and parameter setting is done using the Select/Scroll knob (see Figure

I.2). This knob is both rotated and pressed during normal operation.

Therstlineoftheinstrumentdisplayidentiesthetestmode:Normal, Hold Time, Cycle

Count, Bloom;orcalibrationmode:Static Load (Figure III.3). The user may scroll through

these choices by rotating the Select / Scroll knob (either clockwise or counter clockwise). A test

mode is selected by pressing the Select / Scroll knob.

TEST: NORMAL

TRIGGER: 5.0 (g)

DISTANCE: 3.0 (mm)

SPEED 6.0 (mm/s)

Figure III.3

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 45 46

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Brookfield LFRA Texture Analyzer Manuale Utente Pagina 11