{"product_id":"30-kg-5-kg-single-calibration-weight-astm-class-1","title":"30 kg - 5 kg Single Calibration Weight, ASTM Class 1","description":"\u003ch3 class=\"ds-markdown-paragraph\"\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDesigned to meet the exacting tolerances of ASTM Class 1.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSupplied as a single, heavy-capacity weight for efficient calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eNominal value is clearly marked on the weight for easy identification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFeatures a sealing cavity for adjusting material in 100 g or larger capacities.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eConstructed from material with a standardized density of 7.84 g\/cm³.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis single calibration weight serves as a fundamental mass standard for calibrating and verifying the performance of scales with capacities at 30 kg, 25 kg, 20 kg, 15 kg, 10 kg, and 5 kg. Its classification to ASTM Class 1 specifications ensures it provides the high level of accuracy required for quality control procedures, legal-for-trade verification, and stringent laboratory applications where measurement traceability is paramount.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe weight is engineered with a durable, corrosion-resistant finish and includes a sealed adjustment cavity. This design allows for precise mass adjustment during manufacture to achieve the strict ASTM Class 1 tolerances and ensures long-term stability by protecting the internal adjusting material from environmental contamination. The standardized density minimizes the potential for errors due to air buoyancy during highly precise calibrations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCapacity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 kg - 5 kg (Single Weight)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eClass\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eASTM Class 1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMarking\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Value\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAdjustment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSealing Cavity (100g \u0026amp; larger)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaterial Density\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.84 g\/cm³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eAdd this trusted mass standard to your metrology toolkit. \u003ca href=\"https:\/\/selletonscales.com\/pages\/contact-us\" title=\"Contact SellEton Scales Team\" rel=\"noopener\" style=\"font-size: 0.875rem;\" target=\"_blank\"\u003eContact our team\u003c\/a\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e today to request pricing, confirm availability, or speak with a calibration specialist for your laboratory or metrology requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rice Lake Weighing Systems","offers":[{"title":"RL-12996 - Weight GHDL 30kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334082349,"sku":null,"price":4560.0,"currency_code":"USD","in_stock":true},{"title":"RL-12995 - Weight GHDL 25kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334115117,"sku":null,"price":5000.0,"currency_code":"USD","in_stock":true},{"title":"RL-12994 - Weight GHDL 24kg Class 1 ASTM SST Polished Density 7.84 Elec Bal Cal Wts","offer_id":51912334147885,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"RL-12993 - Weight GHDL 20kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334180653,"sku":null,"price":4000.0,"currency_code":"USD","in_stock":true},{"title":"RL-12992 - Weight GHDL 16kg Class 1 ASTM SST Polished Density 7.84 Elec Bal Cal Wts","offer_id":51912334213421,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"RL-12991 - Weight GHDL 10kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334246189,"sku":null,"price":2700.0,"currency_code":"USD","in_stock":true},{"title":"RL-12990 - Weight GHDL 8kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334278957,"sku":null,"price":2600.0,"currency_code":"USD","in_stock":true},{"title":"RL-12989 - Weight GHDL 5kg Class 1 ASTM SST Polished Density 7.95 Elec Bal Cal Wts","offer_id":51912334311725,"sku":null,"price":2000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1774\/2595\/files\/single-calibration-weight-stainless-steel-grip-handle-style.jpg?v=1768137298","url":"https:\/\/selletonscales.com\/products\/30-kg-5-kg-single-calibration-weight-astm-class-1","provider":"SellEton Scales ","version":"1.0","type":"link"}