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Dispositivi per prove sugli alimenti
La Lloyd Instruments offre tantissimi accessori appositamente progettati per una vasta gamma di applicazioni per le prove sugli alimenti. Sono disponibili morsetti, dispositivi meccanici, sonde e punzoni in diverse taglie, superfici di afferraggio, stili e capacità. La Lloyd inoltre è specializzata nella progettazione di apparecchi personalizzati per applicazioni su misura. Clicca sui link a sinistra per visualizzare i singoli dispositivi.
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Base Table for TAPlus Texture Analyser The base table is used for sample testing and for attaching selected fixtures to the TAPlus texture analyser. It ensures precision alignment of both product samples and fixtures. The base table has two removable inserts; one blank and the other with a central locator hole. The blank insert provides a flat and solid base for positioning samples for testing. The insert with locator hole can be used for mounting various test fixtures such as the FG/BEC back extrusion food cell and the FB/VBS Volodkevitch bite set. The insert can also be removed and the table used with other fixtures including the FG/KSC Kramer shear cell and the Bratzler shear blade set, which locate in the cut-out section (without an insert plate). These fixtures are secured using two thumbscrews to ensure accurate central positioning. Packaging Applications
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Two fundamental criteria for a good test are repeatability and resolution for comparision between results. In many cases, where sample hardness/softness is required, a ball probe can provide both repeatability and resolution. The principle of the ball probe is that uniform compression force is distributed at a normal angle to the surface area of the ball. This gives an averaging effect over the local area being tested. Probes are available in a variety of imperial and metric ball diameters:
Capacity Packaging Applications They are ideal for testing fruit, vegetables and confectionery products. For specimens where the application requires the product to flow, for example cream cheese being squeezed from a tube, gels, pastes etc., it is possible to contain a sample in a container and penetrate the sample with the ball probe.
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Cone probes are supplied with a range of angles from 15° to 90°. Selecting the appropriate cone is often dependent upon the testing standard being used or based on the consistency of the material to be tested. Probes are available with a variety of cone angles:
Capacity Packaging Applications
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The principle of the cylindrical probe is that as the probe is forced into the sample, a shearing force action causes the sample to deform or rupture. This produces a curve showing load resulting from deformation. Probes are available with a variety of imperial and metric cylinder diameters:
Capacity Packaging Applications Cylinder probes are also useful for applying a shearing force to a gel to determine its breaking strength and elasticity. Many standards quote cylindrical probes for gel testing. The Bloom value is a recognised standard for quoting the strength of a gel structure, particularly gelatine.
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The frame of the butter cutter supports a standard sized cutting wire. Maximum sample width 95 mm (3.7 in).
Capacity Packaging Applications
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This fixture consists of a choice of three different diameter circular plungers, which are driven into a large cylinder to compress the sample and force it through the gap between the plunger and the container. This results in a peak compression force and then a fluctuating compression force.
Capacity Packaging Applications
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This is a general purpose three point bend jig. It provides a variable span range from 40 - 80 mm (1.57 - 3.15 in) with graduated marks for easy set up and operation.
Capacity Packaging Applications
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Magness Taylor Puncture Probe Set - FG/MTP
This set consists of two pairs of cylindrical probes of different diameters: 7.94 mm (0.32 in) and 11.11 mm (0.44 in). Each pair has one flat end and one half round domed end.
Capacity Packaging Application
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This jig consists of 25 mm (0.98 in) wide knife edge blade enabling precision cutting of samples.
Capacity Packaging Applications
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The Pea Test Fixture consists of an 18-position base for locating up to eighteen individual samples. The upper section consists of eighteen 2 mm (0.08 in) cylinder probes. Designed to simultaneously measure penetration force to determine sample firmness.
Capacity Packaging Applications
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