PerkinElmer
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RVA 4800, 230V, 50/60 Hz with TCW S/W

The Rapid Visco Analyser is a unique tool for product development, quality and process control and quality assurance. The RVA is a cooking, stirring viscometer with ramped temperature and variable shear capability optimized for testing the viscous properties of starch, grain, flour and foods. The instrument will analyze as little as two or three grams of sample using international standard methods or your own tailor-made test routines of mixing, measuring, heating and cooling.

Part Number PERNS106946
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Overview

The RVA is ideal for fingerprinting the viscosity, hydration and degree of cook of wide range of products.

  • Starches and Starchy Samples - Native and modified starches of grains, roots, tubers and others. High-temperature characterization with the RVA 4800.
  • Hydrocolloids - Gelling/thickening profile, hydration profile, preparation of samples that will gel.
  • Proteins - Soy products, milk proteins, gluten, gelatin and egg whites.
  • Milling and baking - Grain soundness and bug damage, starch pasting quality for cakes, breads, batters, pasta and noodles, flour amylase, malt amylase, fungal amylase, anti-staling, heat treatment of flour, wheat gluten quality and solvent retention capacity test.
  • Barley - malting - brewing - Predicting safe storage life for malting barley, rapid recording mashing system (and the effect of addition of enzymes, adjuncts and chemicals to malts), monitoring the progression of malting, predicting barley malting quality and simulated industrial mashing process.
  • Dairy - Process cheese manufacture and meltability, effect of drying temperature on milk protein powders, rennet caseinate rehydration, dairy beverages, custard, age thickening of sweetened condensed milk and "Miniature Pilot Plant" small scale manufacture of yoghurt, ice cream mix and dairy desserts.
  • Assess ingredient suitability - For UHT applications for dairy and other food products with the TVA 4800.
  • Formulated foods - Low viscosity products (premixes & ready to use) such as sauce, ketchup, gravy, dressing, mayonnaise, soup, other low viscosity foods with starches, hydrocolloids & proteins, melt tests such as chocolate and confectionery and "Miniature Pilot Plant" small scale emulation of manufacturing conditions.
  • Extruded and Cooked Foods - Ready to eat breakfast cereals, snack foods, pet foods, aqua feeds and animal feeds.

The new RVA 4800 can perform regular tests below 100°C, as well as high-temperature tests up to 140°C in a specially designed pressure vessel. With the extended temperature range (up to 140°C), the RVA 4800 provides a tool for performing more relevant analysis for a variety of applications, including ingredient (e.g. starch and hydrocolloid) performance under conditions relevant to ultra-high-temperature (UHT) pasteurization of dairy and food products, retorting, pressure cooking, extrusion and other aseptic processing conditions.

Specifications

Product Brand Name Perten Instruments