{"product_id":"fine-oven-programmable-91l-dh-412","title":"Yamato DH412 Fine Oven Programmable 91L","description":"\u003ch2\u003eFine Oven Programmable 91L Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFine Oven Programmable 91L (model DH412)\u003c\/strong\u003e from Yamato Scientific is a 91-liter mechanical convection oven engineered for temperature characteristic testing, with an operating range of ambient +15 to 360°C. LabSupplies.com, an authorized dealer, supplies this unit as a genuine Yamato Scientific product.\u003c\/p\u003e\n\u003cp\u003ePrecise temperature stability and uniformity anchor the DH412, while an adjustable air-speed function lets technicians tune circulation to the load. An exhaust damper drives quick chamber exhaust and cooling, and dedicated exhaust and cable ports support thermocouple routing and process venting.\u003c\/p\u003e\n\u003cp\u003eConstructed from chrome-free electrogalvanized carbon steel with a chemical-proof baked-on exterior coating and a stainless steel interior chamber, the DH412 runs on 220V power. Built in Japan, the oven measures 49 × 33 × 43 inches and weighs 365 lbs. Manufacturing is certified to ISO 9001:2015 and ISO 14001:2015.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable control:\u003c\/strong\u003e enhanced program operation supports up to 99 steps, 99 patterns, and a repetitive operation function for complex multi-stage profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable air speed:\u003c\/strong\u003e standard-equipped airflow control tunes circulation to match the load and improve uniformity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved control panel:\u003c\/strong\u003e upgraded visibility and operability simplify setup, with onboard displays for power consumption, CO₂ emission, and a heat timer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan motor error detection:\u003c\/strong\u003e built-in monitoring flags fan motor faults to protect the chamber and the process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust damper:\u003c\/strong\u003e the damper enables rapid chamber exhaust and cooling between runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess ports:\u003c\/strong\u003e dedicated exhaust and cable ports route sensors and venting without compromising the seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Fine Oven\u003c\/h2\u003e\n\u003cp\u003eSelecting a fine oven comes down to matching chamber size, achievable temperature, control sophistication, and site power to your testing workflow. Use the criteria below to confirm the DH412 fits your application .\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e the 91 L chamber sets how many samples or how large a fixture you can process per run; size it to your typical batch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e an ambient +15 to 360°C span covers most characteristic and curing tests; verify your setpoints fall inside it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl type:\u003c\/strong\u003e programmable operation with 99 steps and 99 patterns suits multi-stage ramp-and-soak profiles rather than single fixed setpoints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e the DH412 requires 220V; confirm a matching circuit is 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 bench or floor space and verify delivery access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety features:\u003c\/strong\u003e fan motor error detection adds protection for unattended or extended runs.\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\u003e360°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±0.2°C (at 360°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±2.5°C (at 360°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, 2.7 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Temperature Reaching Time\u003c\/td\u003e\n\u003ctd\u003eApprox. 50 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003eambient +15 to 360°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\u003e797059926718\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\u003eDH-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=4\" 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=26\" 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-91l-df-412\"\u003eFine Oven Programmable 91L\u003c\/a\u003e\u003c\/li\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-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\n\u003cp\u003eLabSupplies.com is an authorized Yamato Scientific dealer, so the DH412 ships as a genuine unit backed by the manufacturer warranty. Our team supports the specification and configuration questions procurement and lab managers raise before purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Yamato Scientific dealer:\u003c\/strong\u003e genuine equipment with full manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn stock:\u003c\/strong\u003e the DH412 is available now, ready to order.\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 technical and spec questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the maximum operating temperature of the Yamato DH412 fine oven?\u003c\/h3\u003e\u003cp\u003eThe DH412 reaches 360°C, with an operating range of ambient +15 to 360°C. This span covers most temperature characteristic and curing tests.\u003c\/p\u003e\n\u003ch3\u003eWhat is the chamber capacity and overall footprint of the DH412?\u003c\/h3\u003e\u003cp\u003eThe DH412 offers a 91 L chamber. External dimensions are 49 × 33 × 43 inches and the unit weighs 365 lbs, so plan install space and delivery access accordingly.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does the DH412 require?\u003c\/h3\u003e\u003cp\u003eThe DH412 runs on 220V. Confirm a matching 220V circuit is available at the install location before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat are the chamber and exterior built from?\u003c\/h3\u003e\u003cp\u003eThe interior chamber is stainless steel sheet metal. The exterior uses chrome-free electrogalvanized carbon steel finished in a chemical-proof, baked-on coating.\u003c\/p\u003e\n\u003ch3\u003eHow programmable is the DH412 controller?\u003c\/h3\u003e\u003cp\u003eThe DH412 supports up to 99 steps and 99 patterns with a repetitive operation function. This handles complex multi-stage ramp-and-soak profiles beyond single fixed setpoints.\u003c\/p\u003e\n\u003ch3\u003eIs the DH412 backed by manufacturer certifications and warranty?\u003c\/h3\u003e\u003cp\u003eYes. Yamato Scientific manufacturing is certified to ISO 9001:2015 and ISO 14001:2015, and LabSupplies.com supplies the DH412 as an authorized dealer with the manufacturer warranty.\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-dh-412#product\",\n      \"name\": \"Yamato DH412 Fine Oven Programmable 91L\",\n      \"sku\": \"DH-412\",\n      \"mpn\": \"DH-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-dh-412\",\n      \"dateModified\": \"2026-06-26\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"7515.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/fine-oven-programmable-91l-dh-412\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059926718\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/DF412_DH412.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"Yamato DH412 fine oven: 91L chamber, ambient +15 to 360°C, programmable 99-step control, 220V. 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