{"product_id":"vee-gee-6603ds-13-dual-scale-hydrometer-sg-baume-light-0600-1000-305mm-borosilicate","title":"VEE GEE 6603DS-13 Dual Scale Hydrometer, Specific Gravity\/Baumé Light, 0.600–1.000, 10–100°, 305 mm","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eVEE GEE 6603DS-13 is a dual-scale borosilicate glass hydrometer reading both Specific Gravity (0.600 to 1.000) and Baumé Light (10° to 100°) simultaneously on the same stem, 305 mm overall length. This is the \u003cstrong\u003elight-liquid\u003c\/strong\u003e Baumé dual-scale instrument — covering petroleum products, solvents, alcohols, oils, and other liquids with densities below that of water. The dual-scale design delivers both the direct specific gravity reading and the Baumé Light reading used in petroleum, petrochemical, and solvent industries, all calibrated at 15°C (60°F). Subdivisions: 0.005 SG \/ 1° Baumé. Autoclavable.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eDual Scale — Specific Gravity and Baumé Light on One Stem:\u003c\/strong\u003e Both SG (0.600–1.000) and Baumé Light (10–100°) scales are printed on the same stem. Read the SG for gravimetric calculations and the Baumé Light value for petroleum, solvent, and light-chemical process control — without conversion tables or a second instrument.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eLight-Liquid Baumé Scale (SG \u0026lt; 1.000):\u003c\/strong\u003e The light-liquid Baumé formula (°Bé = 140\/SG − 130) covers liquids less dense than water. At SG 1.000, Baumé Light reads 10°; at SG 0.600, it reads approximately 103°. The 6603DS-13 scale runs from 10° (water, SG 1.000) to 100° (very light solvents, SG ~0.609). This is the correct Baumé scale for petroleum distillates, gasoline, kerosene, mineral spirits, alcohol solutions, and lightweight organic solvents.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eSubdivisions: 0.005 SG \/ 1° Baumé:\u003c\/strong\u003e The SG scale is graduated in 0.005 increments and the Baumé scale in 1° increments — providing practical resolution for process and QC measurements of light liquids without requiring a precision densitometer.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eCalibrated at 15°C (60°F):\u003c\/strong\u003e Factory-calibrated at the standard reference temperature for petroleum and chemical density measurement, consistent with ASTM and international standards.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003e305 mm Overall Length:\u003c\/strong\u003e Full-size laboratory hydrometer format for stable, precise readings in standard hydrometer cylinders.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eBorosilicate Glass Construction:\u003c\/strong\u003e Chemically resistant to solvents, petroleum products, and alcohols; transparent for clear meniscus reading; autoclavable.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003e1-Year Warranty:\u003c\/strong\u003e Backed by VEE GEE Scientific's standard instrument warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n \u003ctr\u003e\n\u003cth class=\"p-2 border border-gray-300\"\u003eProperty\u003c\/th\u003e\n\u003cth class=\"p-2 border border-gray-300\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e6603DS-13\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eMeasuring Scales\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSpecific Gravity and Baumé Light\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eSpecific Gravity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0.600 to 1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eBaumé Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e10° to 100° Bé (Light scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eSubdivisions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0.005 SG \/ 1° Baumé\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm (12 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eCalibration Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e15°C (60°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBorosilicate Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eDimensions (L × W × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13.75\" × 1.2\" × 1.2\" (34.9 × 3.1 × 3.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eVEE GEE Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003e6603DS Series — Complete Dual-Scale SG\/Baumé Hydrometer Selection\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n \u003ctr\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eSKU\u003c\/th\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eSG Range\u003c\/th\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eBaumé Range\u003c\/th\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eLength\u003c\/th\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eBest For\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\n\u003cstrong\u003e6603DS-13\u003c\/strong\u003e (this item)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0.600–1.000\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e10–100° Bé Light\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSolvents, oils, liquids lighter than water\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-1\"\u003e6603DS-1\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.000–1.220\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0–26° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eDilute brines, sugar solutions, weak acids\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-1S\"\u003e6603DS-1S\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.000–1.225\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0–26° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e165 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSame range, compact short-form\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-2\"\u003e6603DS-2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.200–1.420\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24–42° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eConcentrated brines, phosphoric acid\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-2S\"\u003e6603DS-2S\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.200–1.425\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24–42° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e165 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSame range, compact short-form\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-3\"\u003e6603DS-3\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.400–1.620\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e42–55° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eConcentrated sulfuric\/nitric acid\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-4\"\u003e6603DS-4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.600–1.820\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e55–65° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHigh-density acids and electrolytes\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-5\"\u003e6603DS-5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.800–2.020\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e64–72° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFuming sulfuric acid, dense solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003ca href=\"\/search?q=6603DS-7\"\u003e6603DS-7\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1.000–2.000\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0–72° Bé Heavy\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e305 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWide-range screening across all densities\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe 6603DS-13 is the only instrument in the 6603DS series using the Baumé Light scale — specifically designed for materials with densities below water. Common applications include petroleum products (gasoline SG ~0.72, kerosene SG ~0.80, diesel SG ~0.84), mineral spirits, naphtha, ethanol solutions, isopropyl alcohol, and lightweight organic solvents. In the petroleum industry, Baumé Light (and its related API gravity scale) has long been used as a quick practical measure of fuel grade and purity. Food and fragrance labs use it for alcohol and essential oil characterization. For solutions denser than water (SG ≥ 1.000), the Baumé Heavy-scale models beginning with \u003ca href=\"\/search?q=6603DS-1\"\u003e6603DS-1\u003c\/a\u003e are the appropriate instruments.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat makes the 6603DS-13 different from all the other 6603DS models?\u003c\/strong\u003e\u003cbr\u003e\nIt is the only model in the 6603DS series that uses the \u003cstrong\u003eBaumé Light\u003c\/strong\u003e formula (°Bé = 140\/SG − 130) for liquids less dense than water. Every other model in the series — 6603DS-1, -1S, -2, -2S, -3, -4, -5, -7 — uses the Baumé Heavy formula (°Bé = 145 − 145\/SG) for liquids at or above the density of water. The 6603DS-13 is the correct instrument when your sample is a solvent, petroleum product, alcohol, or other liquid that floats on water.\u003c\/p\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does Baumé Light relate to API gravity used in the petroleum industry?\u003c\/strong\u003e\u003cbr\u003e\nAPI gravity is closely related to Baumé Light but uses a slightly different formula: °API = 141.5\/SG − 131.5. Both scales express light-liquid density in degrees, with higher values indicating lighter (less dense) liquids. Baumé Light and API gravity are not directly interchangeable, but both increase as SG decreases. Laboratories requiring API gravity specifically should use a dedicated API hydrometer; the 6603DS-13 provides the Baumé Light reading.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"VEE GEE","offers":[{"title":"Default Title","offer_id":48100347379944,"sku":"6603DS-13","price":29.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_9fbd5dc3-9ec0-4d5c-94da-71d348b14b2e.jpg?v=1772739369","url":"https:\/\/labsupplies.com\/products\/vee-gee-6603ds-13-dual-scale-hydrometer-sg-baume-light-0600-1000-305mm-borosilicate","provider":"LabSupplies.com","version":"1.0","type":"link"}