Brookfield LFRA Texture Analyzer Manual de usuario descargar pdf (Pagina 3)

Brookeld Engineering Labs., Inc. Page 3 Manual No. M/05-370-B0507

I. INTRODUCTION

TheBrookeldLFRATextureAnalyzermeasurestheresistanceofamaterialtoanappliedforce.

The force is applied through a vertical compression of the sample and the resistance is measured

through a load cell. This resistance can be interpreted to provide a measure of the texture or other

physical characteristics of the material.

TheLFRATextureAnalyzeristhemostrecentdevelopmentoftheoriginalBoucherJellyTester.

This original product was created as the Stevens Texturemeter evolving into the CNS Farnell LFRA

TA(LeatherheadFood ResearchAssociationTextureAnalyzer). Brookeld’senhanced design

maintains the characteristics of the original equipment while expanding the measurement capabili-

ties and ease of use by incorporating modern digital technology.

TheprincipleofoperationoftheLFRATextureAnalyzeristodriveaprobeintoamaterial.The

resistance of the material to this compression is measured by a calibrated load cell and reported

in units of grams on the instrument display. The measured load will be a function of the probe

geometry, speed of compression, test method, and sample preparation.

TherearefourloadcellrangesavailablefortheLFRATextureAnalyzerofferedbyBrookeld:

Model Load Cell Range (grams)

LFRA-100 100g

LFRA-1000 1000g

LFRA-1500 1500g

LFRA-4500 4500g

Higher load cell ranges are used for testing materials with a stronger structure.

I.1 Components

Please check to be sure that you have received all components, and that there is no damage. If

youaremissinganyparts,pleasenotifyBrookeldEngineeringoryourlocalBrookeldagent

immediately. Any shipping damage must be reported to the carrier.

Part Number Quantity

Component Part Number Quantity

LFRATextureAnalyzer varies 1

Probe varies per order

Operating Manual M05-370 1

Power Cord 1

115 Volt or DVP-65 1

230 Volt DVP-66

Optional

Bloom Strip TA-CS-100 or 1

TA-CS-1000

Calibration Weight Set (1) TA-CW-100C, -1000C, -1500C, -4500C 1

Standard Probe kit TA-P-KIT2 1

TexturePro Lite Software TA-T-PRO 1

Note:1.Optionalcomponentsmayincludeprobesorxtures.SeeAppendixAfordetails.

2. See III.9 for Calibration Checking (pg. 14).

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Brookfield LFRA Texture Analyzer Manual de usuario Pagina 3