{"product_id":"fine-oven-programmable-91l-df-412","title":"Yamato DF412 Fine Oven Programmable 91L","description":"\u003ch2\u003eFine Oven Programmable 91L Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYamato Scientific Fine Oven Programmable 91L (model DF412)\u003c\/strong\u003e is a mechanical convection laboratory oven delivering a 91-liter chamber and an operating range from ambient +15°C to 260°C. Engineered for demanding temperature-characteristic testing, it pairs accurate thermal control with a redesigned panel for clearer readouts and faster setup. LabSupplies.com supplies this unit as an authorized Yamato Scientific dealer.\u003c\/p\u003e\u003cp\u003eConstruction centers on a stainless steel interior chamber paired with a chrome-free electrogalvanized carbon steel exterior, finished in a chemical-proof baked-on coating. An adjustable air-speed function manages uniformity, while an exhaust damper enables quick venting and chamber cool-down. Dedicated exhaust and cable ports support real-world test configurations.\u003c\/p\u003e\u003cp\u003eOperating on 220V, the DF412 measures 49 × 33 × 43 inches and weighs 365 lbs, suiting permanent benchtop or floor placement. Manufactured in Japan, the oven is produced under ISO 9001:2015 and ISO 14001:2015 certified processes. Onboard displays report power consumption, CO₂ emission, and heat-timer status.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable control:\u003c\/strong\u003e enhanced program operation supports up to 99 steps and 99 patterns with a repetitive operation function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e operates from ambient +15°C up to 260°C with precise stability and uniformity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable air speed:\u003c\/strong\u003e standard air-speed control helps manage chamber temperature uniformity for varied loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring displays:\u003c\/strong\u003e readouts for power consumption, CO₂ emission, and heat timer keep test conditions visible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust damper and ports:\u003c\/strong\u003e rapid venting plus dedicated exhaust and cable ports speed cooling and accommodate test wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety detection:\u003c\/strong\u003e fan motor error detection improves operational safety during unattended runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Fine Oven\u003c\/h2\u003e\u003cp\u003eSelecting a fine oven comes down to matching chamber size, thermal range, and control complexity to your test protocols and the power available at your site. Use the criteria below to confirm the DF412 fits your workflow.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e the 91L chamber sets how many samples, fixtures, or trays you can process per cycle — verify your largest test load fits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e ambient +15°C to 260°C covers most curing, aging, and characteristic-testing protocols; confirm your target setpoints fall inside it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl type:\u003c\/strong\u003e programmable multi-step operation suits complex, repeatable temperature profiles rather than single fixed setpoints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e this unit requires 220V — check that the appropriate circuit and receptacle are available at the install location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint and weight:\u003c\/strong\u003e at 49 × 33 × 43 inches and 365 lbs, plan placement and floor or bench support before delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety features:\u003c\/strong\u003e fan motor error detection matters for labs running long, unattended thermal cycles.\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\u003e91 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Temperature\u003c\/td\u003e\n\u003ctd\u003e260°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e220V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCirculation Method\u003c\/td\u003e\n\u003ctd\u003eForced air circulation and ventilation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control System\u003c\/td\u003e\n\u003ctd\u003ePID-Z control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eDouble K-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\u003eVariable air-flow function; power\/CO₂ monitoring; up to 99 program steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1°C (at 260°C) \u003csup\u003e*2\u003c\/sup\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Distribution\u003c\/td\u003e\n\u003ctd\u003e±1.5°C (at 260°C) \u003csup\u003e*2\u003c\/sup\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater\u003c\/td\u003e\n\u003ctd\u003eStainless pipe heater with fan, 2.1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Temperature Reaching Time\u003c\/td\u003e\n\u003ctd\u003eApprox. 40 min\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 metal, finished in chemical-proof, baked-on coating (exterior)\nStainless steel sheet metal (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\u003e797059926671\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e365 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e49 × 33 × 43 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Size\u003c\/td\u003e\n\u003ctd\u003e91 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. \u003csup\u003e*2\u003c\/sup\u003e Measured under ambient temperature 23°C ±5°C, humidity 65%RH ±20%, per Yamato Scientific test 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\u003eDF-412\u003c\/td\u003e\n\u003ctd\u003eEA\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\/ekuah5mrtkj18ow\/DF%20DH%20412%20612%20Series%20Fine%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=22\" target=\"_blank\" rel=\"noopener\"\u003eISO 14001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/yamato-df-dh-series-high-performance-programmable-fine-ovens-114?category=46#attr=457\" 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\/fine-oven-programmable-216l-df-612\"\u003eFine Oven Programmable 216L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-512l-3-phase-df-832\"\u003eFine Oven Programmable 512L 3 Phase\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-1000l-3-phase-df-1032\"\u003eFine Oven Programmable 1000L 3 Phase\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-91l-dh-412\"\u003eFine Oven Programmable 91L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-216l-dh-612\"\u003eFine Oven Programmable 216L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-512l-3-phase-dh-832\"\u003eFine Oven Programmable 512L 3 Phase\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fine-oven-programmable-1000l-3-phase-dh-1032\"\u003eFine Oven Programmable 1000L 3 Phase\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/high-temperature-fine-oven-programmable-216l-3-phase-dh-650z\"\u003eHigh Temperature Fine Oven Programmable 216L 3 Phase\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From LabSupplies.com\u003c\/h2\u003e\u003cp\u003eLabSupplies.com is an authorized Yamato Scientific dealer, so every DF412 ships as a genuine unit backed by the manufacturer warranty. Our lab-equipment specialists can answer spec and configuration questions before you order.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAuthorized Yamato Scientific dealer — genuine unit with manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003eIn stock and ready to process.\u003c\/li\u003e\n\u003cli\u003eShips from USA inventory.\u003c\/li\u003e\n\u003cli\u003eDedicated lab-equipment specialists for spec and application questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the temperature range of the Yamato DF412 fine oven?\u003c\/h3\u003e\u003cp\u003eThe DF412 operates from ambient +15°C up to a maximum of 260°C. This range supports curing, aging, and temperature-characteristic testing across most laboratory protocols.\u003c\/p\u003e\n\u003ch3\u003eWhat is the chamber capacity and overall size of the DF412?\u003c\/h3\u003e\u003cp\u003eThe DF412 provides a 91-liter chamber. External dimensions are 49 × 33 × 43 inches (L × W × H) and the unit weighs 365 lbs, so plan placement and support accordingly.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does the DF412 require?\u003c\/h3\u003e\u003cp\u003eThe DF412 runs on 220V. Confirm an appropriate 220V circuit and receptacle are available at the installation site before delivery.\u003c\/p\u003e\n\u003ch3\u003eWhat materials are used in the DF412 construction?\u003c\/h3\u003e\u003cp\u003eThe interior chamber is stainless steel sheet metal. Its exterior is chrome-free electrogalvanized carbon steel finished with a chemical-proof, baked-on coating.\u003c\/p\u003e\n\u003ch3\u003eIs the DF412 programmable, and how many steps does it support?\u003c\/h3\u003e\u003cp\u003eYes, the DF412 is fully programmable. It supports up to 99 steps and 99 patterns with a repetitive operation function for complex, repeatable temperature profiles.\u003c\/p\u003e\n\u003ch3\u003eWhere is the DF412 manufactured and is it certified?\u003c\/h3\u003e\u003cp\u003eThe DF412 is manufactured in Japan. Production follows ISO 9001:2015 and ISO 14001:2015 certified processes; certificates are available on request.\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\/fine-oven-programmable-91l-df-412#product\",\n      \"name\": \"Yamato DF412 Fine Oven Programmable 91L\",\n      \"sku\": \"DF-412\",\n      \"mpn\": \"DF-412\",\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\/fine-oven-programmable-91l-df-412\",\n      \"dateModified\": \"2026-06-26\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"6855.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/fine-oven-programmable-91l-df-412\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059926671\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/DF412_DH412.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"Yamato DF412 programmable fine oven: 91L chamber, ambient +15 to 260°C, 99-step control, 220V. 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