{"product_id":"forced-natural-convection-oven-programmable-energy-saving-27l-with-external-transformer-dnf-301","title":"Yamato DNF301 Forced \/ Natural Convection Oven Programmable Energy Saving 27L With External Transformer","description":"\u003ch2\u003eForced \/ Natural Convection Oven Programmable Energy Saving 27L With External Transformer Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eForced \/ Natural Convection Oven Programmable Energy Saving 27L (Yamato DNF301)\u003c\/strong\u003e is a 27 L laboratory convection oven that combines forced and natural circulation in a single chamber, operating from ambient +15°C up to 260°C. Yamato Scientific engineers this unit for repeatable constant-temperature work, and LabSupplies.com supplies it as an authorized dealer.\u003c\/p\u003e\u003cp\u003eA digital controller adjusts air velocity across 10 stages, while a front damper tunes chamber airflow to match each load. Insulation and heat tightness hold temperature stable, and tight dust sealing keeps particulates out of the chamber. Interior surfaces use stainless steel plate; the exterior is chrome-free electrogalvanized carbon steel finished with a chemical-proof baking coating.\u003c\/p\u003e\u003cp\u003eEach oven ships with an external transformer in either 115V or 220V configuration to match your facility power. Built in Japan, the unit weighs 180 lbs and measures 36 × 36 × 40 in. Manufacturing is backed by ISO 9001:2015 and ISO 14001:2015 certification.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual circulation:\u003c\/strong\u003e forced and natural convection in one unit covers gentle drying and faster, uniform heating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-saving program:\u003c\/strong\u003e dedicated program function reduces power consumption during extended cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-stage air velocity:\u003c\/strong\u003e digital controller sets airflow speed precisely for delicate or dense loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99-step programming:\u003c\/strong\u003e repeat operation, auto start, auto stop, and quick auto stop automate multi-stage profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront damper control:\u003c\/strong\u003e adjustable damper position optimizes chamber exhaust and circulation per application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluorescent display:\u003c\/strong\u003e interactive input and a calibration off-set function support accurate, readable setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Convection Oven\u003c\/h2\u003e\u003cp\u003eMatching a convection oven to your workflow comes down to chamber size, the heating profile your samples tolerate, and how the oven integrates with site power and controls. Weigh these axes .\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e the 27 L chamber suits moderate batch throughput; size it to your largest routine load plus airflow clearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e an ambient +15 to 260°C span covers drying, baking, and most thermal conditioning tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCirculation type:\u003c\/strong\u003e forced convection speeds uniform heating, while natural convection protects light or airflow-sensitive samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl type:\u003c\/strong\u003e programmable 99-step operation favors recurring multi-stage protocols over single-setpoint manual ovens.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e confirm 115V or 220V to match available circuits and the included external transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint and weight:\u003c\/strong\u003e verify bench or floor space for a 36 × 36 × 40 in, 180 lb unit before delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e27 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e115V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control System\u003c\/td\u003e\n\u003ctd\u003ePID control by microcomputer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eK-thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterior Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eEcological energy-saving design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCirculation Method\u003c\/td\u003e\n\u003ctd\u003eForced + natural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003eambient +15 to 260°C \u003csup\u003e*1\u003c\/sup\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eChrome free  electrogalvanized  carbon  steel  sheet  coated w\/ chemical-proof baking finish (exterior)\nStainless steel plate (interior)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN (Barcode)\u003c\/td\u003e\n\u003ctd\u003e797059930715\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e180 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e36 × 36 × 40 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Size\u003c\/td\u003e\n\u003ctd\u003e27 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003e\u003csup\u003e*1\u003c\/sup\u003e No-load operation of bath only; maximum temperature varies with circumstances and operating conditions.\u003c\/small\u003e\u003c\/p\u003e\n\u003ch2\u003eAvailable Sizes and Configurations\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDNF-301-115V\u003c\/td\u003e\n\u003ctd\u003e115V\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDNF-301-220V\u003c\/td\u003e\n\u003ctd\u003e220V\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dropbox.com\/s\/yvf4ng8u85daynz\/DNF%20Series%20Forced%20Convection%20Oven.pdf?dl=0\" target=\"_blank\" rel=\"noopener\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dropbox.com\/s\/0hq2208jf4gq010\/YLT%20ISO9001%20ENG%20%28EXP%20FEB%202022%29.pdf?dl=0\" target=\"_blank\" rel=\"noopener\"\u003eISO 9001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dropbox.com\/s\/9qrf1gfsvoeiea4\/YLT%20ISO14001%20ENG%20%28Ex%20June%2026%202023%29%20%E8%8B%B1%E6%96%87%E8%AA%8D%E8%A8%BC%E6%9C%89%E5%8A%B9%E6%9C%9F%E9%99%90.pdf?dl=14\" target=\"_blank\" rel=\"noopener\"\u003eISO 14001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/yamato-dnf-series-energy-saving-air-velocity-controllable-forced-convection-ovens-101?category=45#attr=449\" target=\"_blank\" rel=\"noopener\"\u003eYamato Scientific Official Product Page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMore in This Series\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-oven-28l-dx-302c\"\u003eNatural Convection Oven 28L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-oven-74l-dx-402c\"\u003eNatural Convection Oven 74L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-oven-153l-dx-602c\"\u003eNatural Convection Oven 153L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-oven-programmable-99l-dvs-403c\"\u003eNatural Convection Oven Programmable 99L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-oven-programmable-162l-dvs-603c\"\u003eNatural Convection Oven Programmable 162L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/high-temperature-natural-convection-oven-programmable-13-75l-dr-201\"\u003eHigh Temperature Natural Convection Oven Programmable 13.75L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-glassware-drying-oven-92l-dg-400c\"\u003eNatural Convection Glassware Drying Oven 92L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-glassware-drying-oven-with-sterilization-lamp-92l-dg-440c\"\u003eNatural Convection Glassware Drying Oven With Sterilization Lamp 92L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-convection-glassware-drying-oven-445l-dg-800c\"\u003eNatural Convection Glassware Drying Oven 445L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-forced-convection-glassware-drying-oven-with-sterilization-lamp-445l-dg-840c\"\u003eNatural\/Forced Convection Glassware Drying Oven With Sterilization Lamp 445L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-27l-dkl-301c\"\u003eForced Convection Oven 27L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-90l-dkl-401c\"\u003eForced Convection Oven 90L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-150l-dkl-601c\"\u003eForced Convection Oven 150L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-27l-dkn-303\"\u003eForced Convection Oven Programmable 27L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-90l-dkv-400\"\u003eForced Convection Oven Programmable 90L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-150l-dkv-600\"\u003eForced Convection Oven Programmable 150L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-300l-dkv-810\"\u003eForced Convection Oven Programmable 300L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-535l-dkv-910\"\u003eForced Convection Oven Programmable 535L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-90l-dne-401\"\u003eForced Convection Oven Programmable Energy Saving 90L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-150l-dne-601\"\u003eForced Convection Oven Programmable Energy Saving 150L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-300l-dne-811\"\u003eForced Convection Oven Programmable Energy Saving 300L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-540l-dne-911\"\u003eForced Convection Oven Programmable Energy Saving 540L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-natural-convection-oven-programmable-energy-saving-90l-dnf-401\"\u003eForced \/ Natural Convection Oven Programmable Energy Saving 90L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-natural-convection-oven-programmable-energy-saving-150l-dnf-601\"\u003eForced \/ Natural Convection Oven Programmable Energy Saving 150L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-300l-dnf-811\"\u003eForced Convection Oven Programmable Energy Saving 300L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/forced-convection-oven-programmable-energy-saving-540l-dnf-911\"\u003eForced Convection Oven Programmable Energy Saving 540L\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From LabSupplies.com\u003c\/h2\u003e\u003cp\u003eLabSupplies.com supplies the Yamato DNF301 as an authorized dealer, so every oven arrives as a genuine factory unit with manufacturer warranty intact. Order directly online and our lab-equipment specialists stand by for spec questions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Yamato Scientific dealer:\u003c\/strong\u003e genuine units backed by full manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn stock:\u003c\/strong\u003e ready to process, no waiting on backorder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips from USA inventory:\u003c\/strong\u003e domestic fulfillment shortens lead time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-equipment specialists:\u003c\/strong\u003e dedicated support for configuration and spec confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the operating temperature range of the DNF301 oven?\u003c\/h3\u003e\u003cp\u003eThe DNF301 operates from ambient +15°C up to 260°C. That span supports drying, baking, and thermal conditioning across most laboratory protocols.\u003c\/p\u003e\n\u003ch3\u003eWhat is the chamber capacity and overall footprint?\u003c\/h3\u003e\u003cp\u003eChamber capacity is 27 L. The unit measures 36 × 36 × 40 in (L × W × H) and weighs 180 lbs, so confirm bench or floor clearance before installation.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the two DNF301 models?\u003c\/h3\u003e\u003cp\u003eBoth models are functionally identical 27 L programmable convection ovens; the only difference is power input. DNF-301-115V runs on 115V and DNF-301-220V runs on 220V, each shipping with an external transformer.\u003c\/p\u003e\n\u003ch3\u003eWhat materials are used in the oven construction?\u003c\/h3\u003e\u003cp\u003eThe interior is stainless steel plate. The exterior uses chrome-free electrogalvanized carbon steel coated with a chemical-proof baking finish for durable resistance to lab environments.\u003c\/p\u003e\n\u003ch3\u003eDoes the oven support programmable cycles?\u003c\/h3\u003e\u003cp\u003eYes. The DNF301 includes 99-step program operation with repeat operation, auto start, auto stop, and quick auto stop, allowing automated multi-stage temperature profiles.\u003c\/p\u003e\n\u003ch3\u003eCan airflow be adjusted for sensitive samples?\u003c\/h3\u003e\u003cp\u003eYes. Air velocity is digitally adjustable across 10 stages, and a front damper tunes chamber circulation. The oven also offers both forced and natural convection modes for delicate loads.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/labsupplies.com\/products\/forced-natural-convection-oven-programmable-energy-saving-27l-with-external-transformer-dnf-301#product\",\n      \"name\": \"Yamato DNF301 Forced \/ Natural Convection Oven Programmable Energy Saving 27L With External Transformer\",\n      \"sku\": \"DNF-301\",\n      \"mpn\": \"DNF-301\",\n      \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"url\": \"https:\/\/labsupplies.com\/products\/forced-natural-convection-oven-programmable-energy-saving-27l-with-external-transformer-dnf-301\",\n      \"dateModified\": \"2026-06-26\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"6770.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/forced-natural-convection-oven-programmable-energy-saving-27l-with-external-transformer-dnf-301\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059930715\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/DNF301.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"Yamato DNF301 27L programmable forced\/natural convection oven, ambient +15 to 260°C, 115V or 220V. 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