{"product_id":"oiml-standard-weights-e1-e2-f1-class-oiml-r111-certified-calibration-weights-stainless-steel-construction","title":"OIML Standard Weights – E1 \/ E2 \/ F1 Class (OIML R111 Certified | Calibration Weights | Stainless Steel Construction)","description":"\u003cp data-start=\"161\" data-end=\"582\"\u003eOIML Standard Weights E1, E2 and F1 Class are precision calibration weights manufactured in accordance with OIML R111 standards for calibration laboratories, metrology institutes, analytical laboratories and precision weighing applications. These weights are designed to provide traceable mass standards for calibration and verification of balances, analytical balances, micro balances and precision weighing instruments.\u003c\/p\u003e\n\u003cp data-start=\"584\" data-end=\"984\"\u003eAvailable in E1, E2 and F1 accuracy classes, the weights are manufactured from high-grade stainless steel materials with precision-machined cylindrical construction and mirror-polished finishes to ensure long-term stability and repeatable measurement performance. The weights are supplied in protective aluminium alloy or ABS storage cases to prevent contamination and maintain calibration integrity.\u003c\/p\u003e\n\u003cp data-start=\"986\" data-end=\"1337\"\u003eE1 Class weights are intended for primary reference standards and high-level calibration applications. E2 Class weights are suitable for calibration of micro, semi-micro and analytical balances requiring very high accuracy. F1 Class weights are widely used for calibration of high precision balances and loading balances with readability up to 0.001g.\u003c\/p\u003e\n\u003cp data-start=\"1339\" data-end=\"1588\"\u003eThese calibration weights are available as individual weights or complete weight sets covering milligram to kilogram ranges. NABL-accredited calibration certificates can also be provided as an optional service for traceable calibration requirements.\u003c\/p\u003e\n\u003ch2 data-start=\"1590\" data-end=\"1605\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1607\" data-end=\"2170\"\u003eManufactured according to OIML R111 standards\u003cbr\u003eAvailable in E1, E2 and F1 accuracy classes\u003cbr\u003ePrecision stainless steel construction\u003cbr\u003eMirror polished finish\u003cbr\u003eHigh dimensional and mass stability\u003cbr\u003eSuitable for calibration laboratories\u003cbr\u003eAvailable as individual weights or complete sets\u003cbr\u003eProtective aluminium alloy storage cases\u003cbr\u003eABS protective boxes for smaller weights\u003cbr\u003eExcellent corrosion resistance\u003cbr\u003eLow magnetic susceptibility\u003cbr\u003eTraceable calibration capability\u003cbr\u003eOptional NABL calibration certification\u003cbr\u003eLong-term calibration stability\u003cbr\u003eSuitable for analytical and micro balances\u003c\/p\u003e\n\u003ch2 data-start=\"2172\" data-end=\"2199\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2201\" data-end=\"3213\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2201\" data-end=\"2247\"\u003e\n\u003ctr data-start=\"2201\" data-end=\"2247\"\u003e\n\u003cth data-start=\"2201\" data-end=\"2213\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"2213\" data-end=\"2224\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eE1 Class\u003c\/th\u003e\n\u003cth data-start=\"2224\" data-end=\"2235\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eE2 Class\u003c\/th\u003e\n\u003cth data-start=\"2235\" data-end=\"2247\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eF1 Class\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2302\" data-end=\"3213\"\u003e\n\u003ctr data-start=\"2302\" data-end=\"2335\"\u003e\n\u003ctd data-start=\"2302\" data-end=\"2319\" data-col-size=\"sm\"\u003eAccuracy Class\u003c\/td\u003e\n\u003ctd data-start=\"2319\" data-end=\"2324\" data-col-size=\"sm\"\u003eE1\u003c\/td\u003e\n\u003ctd data-start=\"2324\" data-end=\"2329\" data-col-size=\"sm\"\u003eE2\u003c\/td\u003e\n\u003ctd data-start=\"2329\" data-end=\"2335\" data-col-size=\"sm\"\u003eF1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2336\" data-end=\"2384\"\u003e\n\u003ctd data-start=\"2336\" data-end=\"2347\" data-col-size=\"sm\"\u003eStandard\u003c\/td\u003e\n\u003ctd data-start=\"2347\" data-end=\"2359\" data-col-size=\"sm\"\u003eOIML R111\u003c\/td\u003e\n\u003ctd data-start=\"2359\" data-end=\"2371\" data-col-size=\"sm\"\u003eOIML R111\u003c\/td\u003e\n\u003ctd data-start=\"2371\" data-end=\"2384\" data-col-size=\"sm\"\u003eOIML R111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2385\" data-end=\"2470\"\u003e\n\u003ctd data-start=\"2385\" data-end=\"2396\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"2396\" data-end=\"2425\" data-col-size=\"sm\"\u003eAustenitic Stainless Steel\u003c\/td\u003e\n\u003ctd data-start=\"2425\" data-end=\"2447\" data-col-size=\"sm\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003ctd data-start=\"2447\" data-end=\"2470\" data-col-size=\"sm\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2471\" data-end=\"2585\"\u003e\n\u003ctd data-start=\"2471\" data-end=\"2486\" data-col-size=\"sm\"\u003eConstruction\u003c\/td\u003e\n\u003ctd data-start=\"2486\" data-end=\"2519\" data-col-size=\"sm\"\u003eSolid Single Piece Fabrication\u003c\/td\u003e\n\u003ctd data-start=\"2519\" data-end=\"2552\" data-col-size=\"sm\"\u003eSolid Single Piece Fabrication\u003c\/td\u003e\n\u003ctd data-start=\"2552\" data-end=\"2585\" data-col-size=\"sm\"\u003eOne or Two Piece Construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2586\" data-end=\"2685\"\u003e\n\u003ctd data-start=\"2586\" data-end=\"2606\" data-col-size=\"sm\"\u003eAdjustment Cavity\u003c\/td\u003e\n\u003ctd data-start=\"2606\" data-end=\"2629\" data-col-size=\"sm\"\u003eNo Cavity Adjustment\u003c\/td\u003e\n\u003ctd data-start=\"2629\" data-end=\"2652\" data-col-size=\"sm\"\u003eNo Cavity Adjustment\u003c\/td\u003e\n\u003ctd data-start=\"2652\" data-end=\"2685\" data-col-size=\"sm\"\u003eMay Contain Adjustment Cavity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2686\" data-end=\"2736\"\u003e\n\u003ctd data-start=\"2686\" data-end=\"2696\" data-col-size=\"sm\"\u003eDensity\u003c\/td\u003e\n\u003ctd data-start=\"2696\" data-end=\"2709\" data-col-size=\"sm\"\u003e8.00 g\/cm³\u003c\/td\u003e\n\u003ctd data-start=\"2709\" data-end=\"2722\" data-col-size=\"sm\"\u003e7.96 g\/cm³\u003c\/td\u003e\n\u003ctd data-start=\"2722\" data-end=\"2736\" data-col-size=\"sm\"\u003e7.90 g\/cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2737\" data-end=\"2793\"\u003e\n\u003ctd data-start=\"2737\" data-end=\"2763\" data-col-size=\"sm\"\u003eMagnetic Susceptibility\u003c\/td\u003e\n\u003ctd data-start=\"2763\" data-end=\"2773\" data-col-size=\"sm\"\u003e\u0026lt; 0.005\u003c\/td\u003e\n\u003ctd data-start=\"2773\" data-end=\"2783\" data-col-size=\"sm\"\u003e\u0026lt; 0.005\u003c\/td\u003e\n\u003ctd data-start=\"2783\" data-end=\"2793\" data-col-size=\"sm\"\u003e\u0026lt; 0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2794\" data-end=\"2844\"\u003e\n\u003ctd data-start=\"2794\" data-end=\"2819\" data-col-size=\"sm\"\u003ePolarization Intensity\u003c\/td\u003e\n\u003ctd data-start=\"2819\" data-end=\"2830\" data-col-size=\"sm\"\u003e\u0026lt; 2.5 µT\u003c\/td\u003e\n\u003ctd data-start=\"2830\" data-end=\"2836\" data-col-size=\"sm\"\u003e\u0026lt; 8\u003c\/td\u003e\n\u003ctd data-start=\"2836\" data-end=\"2844\" data-col-size=\"sm\"\u003e\u0026lt; 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2845\" data-end=\"2916\"\u003e\n\u003ctd data-start=\"2845\" data-end=\"2853\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-start=\"2853\" data-end=\"2877\" data-col-size=\"sm\"\u003eCylindrical with Knob\u003c\/td\u003e\n\u003ctd data-start=\"2877\" data-end=\"2891\" data-col-size=\"sm\"\u003eCylindrical\u003c\/td\u003e\n\u003ctd data-start=\"2891\" data-end=\"2916\" data-col-size=\"sm\"\u003eCylindrical with Knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2917\" data-end=\"2975\"\u003e\n\u003ctd data-start=\"2917\" data-end=\"2926\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-start=\"2926\" data-end=\"2942\" data-col-size=\"sm\"\u003eMirror Polish\u003c\/td\u003e\n\u003ctd data-start=\"2942\" data-end=\"2958\" data-col-size=\"sm\"\u003eMirror Finish\u003c\/td\u003e\n\u003ctd data-start=\"2958\" data-end=\"2975\" data-col-size=\"sm\"\u003eMirror Polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2976\" data-end=\"3061\"\u003e\n\u003ctd data-start=\"2976\" data-end=\"2994\" data-col-size=\"sm\"\u003eWeight Set Case\u003c\/td\u003e\n\u003ctd data-start=\"2994\" data-end=\"3016\" data-col-size=\"sm\"\u003eAluminium Alloy Box\u003c\/td\u003e\n\u003ctd data-start=\"3016\" data-end=\"3038\" data-col-size=\"sm\"\u003eAluminium Alloy Box\u003c\/td\u003e\n\u003ctd data-start=\"3038\" data-end=\"3061\" data-col-size=\"sm\"\u003eAluminium Alloy Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3062\" data-end=\"3147\"\u003e\n\u003ctd data-start=\"3062\" data-end=\"3092\" data-col-size=\"sm\"\u003eIndividual Weight Case (kg)\u003c\/td\u003e\n\u003ctd data-start=\"3092\" data-end=\"3114\" data-col-size=\"sm\"\u003eAluminium Alloy Box\u003c\/td\u003e\n\u003ctd data-start=\"3114\" data-end=\"3136\" data-col-size=\"sm\"\u003eAluminium Alloy Box\u003c\/td\u003e\n\u003ctd data-start=\"3136\" data-end=\"3147\" data-col-size=\"sm\"\u003eABS Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3148\" data-end=\"3213\"\u003e\n\u003ctd data-start=\"3148\" data-end=\"3182\" data-col-size=\"sm\"\u003eIndividual Weight Case (g \u0026amp; mg)\u003c\/td\u003e\n\u003ctd data-start=\"3182\" data-end=\"3192\" data-col-size=\"sm\"\u003eABS Box\u003c\/td\u003e\n\u003ctd data-start=\"3192\" data-end=\"3202\" data-col-size=\"sm\"\u003eABS Box\u003c\/td\u003e\n\u003ctd data-start=\"3202\" data-end=\"3213\" data-col-size=\"sm\"\u003eABS Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"3215\" data-end=\"3241\"\u003eAvailable Weight Ranges\u003c\/h2\u003e\n\u003ch3 data-start=\"3243\" data-end=\"3255\"\u003eE1 Class\u003c\/h3\u003e\n\u003cp data-start=\"3257\" data-end=\"3374\"\u003e1mg to 500g (24-piece set)\u003cbr\u003e1mg to 200g (23-piece set)\u003cbr\u003e1mg to 500mg (12-piece set)\u003cbr\u003eIndividual weights from 1mg to 20kg\u003c\/p\u003e\n\u003ch3 data-start=\"3376\" data-end=\"3388\"\u003eE2 Class\u003c\/h3\u003e\n\u003cp data-start=\"3390\" data-end=\"3507\"\u003e1mg to 500g (24-piece set)\u003cbr\u003e1mg to 200g (23-piece set)\u003cbr\u003e1mg to 500mg (12-piece set)\u003cbr\u003eIndividual weights from 1mg to 20kg\u003c\/p\u003e\n\u003ch3 data-start=\"3509\" data-end=\"3521\"\u003eF1 Class\u003c\/h3\u003e\n\u003cp data-start=\"3523\" data-end=\"3692\"\u003e1mg to 2kg (27-piece set)\u003cbr\u003e1mg to 1kg (25-piece set)\u003cbr\u003e1mg to 500g (24-piece set)\u003cbr\u003e1mg to 200g (23-piece set)\u003cbr\u003e1mg to 500mg (12-piece set)\u003cbr\u003eIndividual weights from 1mg to 20kg\u003c\/p\u003e\n\u003ch2 data-start=\"3694\" data-end=\"3709\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"3711\" data-end=\"4150\"\u003eCalibration laboratories\u003cbr\u003eMetrology laboratories\u003cbr\u003eAnalytical balance calibration\u003cbr\u003eMicro balance calibration\u003cbr\u003eSemi-micro balance calibration\u003cbr\u003ePrecision balance verification\u003cbr\u003ePharmaceutical laboratories\u003cbr\u003eResearch laboratories\u003cbr\u003eQuality control departments\u003cbr\u003eEducational institutions\u003cbr\u003eIndustrial calibration facilities\u003cbr\u003eMass standard reference laboratories\u003cbr\u003eAccredited testing laboratories\u003cbr\u003eScientific research applications\u003cbr\u003eMeasurement traceability programs\u003c\/p\u003e","brand":"Wensar","offers":[{"title":"Default Title","offer_id":50039056826605,"sku":null,"price":10000.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/www.biotronscientific.com\/products\/oiml-standard-weights-e1-e2-f1-class-oiml-r111-certified-calibration-weights-stainless-steel-construction","provider":"BIOTRON","version":"1.0","type":"link"}