Densimeter - Specific Gravity Tester Buy Now Product Categories Rubber & Elastomer Testing Equipment Plastic Testing Equipment Application Density Testing Standards ASTM D297 ASTM D792 JIS K 6268 JIS K 7112 Download PDF Brochure Densimeter - Specific Gravity Tester is an advanced Density testing equipment for measuring solid and liquid samples with high precision sensor and auto-weighing function.ASTM D297-93-16 (Rubber), ASTM D792-00 (Plastic), JIS K6268A, JIS K7112 (Plastic) Applications Features/Advantages Theory/Method Technical Specifications Densimeter – Specific Gravity Tester OverviewSupports quality control and new product developmentUtilized in rubber, plastic, and various composite material industriesOver 17,000 units supplied worldwideDensity MeasurementEffective for checking material types and mixing ratiosEvaluates quality and compares productsSimple testing procedures and measurement principlesMeasurement ProceduresUpper Sensor Unit: Reacts to the sensorTray in Water: Suspended from the upper sensor unitWater Tank: No reaction to the sensorShortest measurement time: 10 secondsPlace the sample on the tray to measure weight in the air.Submerge the sample into water to measure weight in water.View the density result (Model EW-300SG). A special GK-Series of these densimeters are available for density and carat measurement of precious metals such as gold, silver and platinum. Densimeter - Specific Gravity TesterDensimeter - Specific Gravity Tester systems deliver fast density checks with repeatable results and a consistent air-in-water workflow. They help QC verify material ID and mixing ratios, and support R&D when validating new formulations. Use the table below to compare the best option for your lab.ProductBest FitSample TypesCapacity / Measuring RangeDensity / SG ResolutionTypical Test TimeGold Tester – Precious Metal Karat TesterPrecious metal purity + SG verification without acidsGold, platinum, silver, white goldUp to 3000 g (varies by model)0.01 to 0.001 g/cm³20 secondsDensimeter MDS-3000High-capacity solids + optional liquid modeSolid / Liquid / Powder0.01–3000 g0.01 g/cm³Selectable (liquid mode)Densimeter MDS-300Higher-resolution general-purpose densitySolid / Liquid / Powder0.001–300 g0.001 g/cm³Not statedElectronic Densimeter SID-220WResearch-grade resolution + fast timing + USBSolid / Liquid / Powder0.0001–220 g0.0001 g/cm³Solid: 3–30 s; Liquid: 20 sDensimeter MD-300SFast checks with higher resolution than EW-300SGSolid / Liquid0.01–300 g0.001 g/cm³10 secondsDensimeter EW-300SGProduction-line spot checks (simple solid workflow)Solid0.01–300 g0.01 g/cm³10 seconds FeaturesAccurate measurement of the specific gravity of rubber, plastics, and much moreHigh stability weighing sensorAuto-weighing functionPowder Density, which improves working efficiency and accuracySimple & convenient operation by placing the sample on top of the container, and then in the water containerAdvantagesMeasuring capacity up to 3kgCompact body and accurate density measurement for solid and liquid samples.Only 10 seconds to measure density and volume, just putting the sample into the water.Powder density measurement with a resolution of 0.001g/㎤ and a reference value of 0.0001g/㎤. Densimeter - Specific Gravity Tester Test Methods:These test methods encompass both qualitative and quantitative analyses for assessing the composition of rubber products within the "R" family. They provide detailed procedures for determining the specific gravity (relative density) and density of solid plastics in various forms such as sheets, rods, tubes, or molded items. Additionally, these methods outline the process for determining the density and relative density of non-cellular plastics, spanning a range of formats including sheets, films, tubes, molded objects, and various forms like powders, granules, and pellets. 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