{"product_id":"muffle-furnace-with-communication-port-7-5l-fo-301cr","title":"Yamato FO301CR Muffle Furnace With Communication Port 7.5L","description":"\u003ch2\u003eMuffle Furnace With Communication Port 7.5L Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMuffle Furnace With Communication Port 7.5L (model FO301CR)\u003c\/strong\u003e from Yamato Scientific is a high-temperature laboratory furnace with a 7.5 L heating chamber, supplied through LabSupplies.com as an authorized dealer. Labs use it for ashing, ignition, heat treatment, and sample preparation that demand a clean, enclosed thermal environment.\u003c\/p\u003e\u003cp\u003eAn integrated communication port distinguishes this unit, letting technicians connect the furnace to external monitoring and data-acquisition systems. Digital connectivity supports documented temperature records, which matters for regulated workflows and method validation. Chamber dimensions and refractory construction details are available on request.\u003c\/p\u003e\u003cp\u003eTwo voltage configurations cover most facility power standards: FO301CR runs on 115V, while FO311CR runs on 220V. Both share the same 7.5 L capacity and communication functionality. Weight, footprint, country of origin, and certification documentation can be confirmed before purchase. Units ship from USA inventory.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Port:\u003c\/strong\u003e built-in digital interface for connecting to external monitoring and data-acquisition systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.5 L Chamber:\u003c\/strong\u003e heating capacity sized for ashing, ignition, and routine heat-treatment workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Voltage Availability:\u003c\/strong\u003e FO301CR (115V) and FO311CR (220V) match common laboratory power standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamato Scientific Build:\u003c\/strong\u003e genuine manufacturer unit supplied by an authorized dealer with manufacturer warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Muffle Furnace\u003c\/h2\u003e\u003cp\u003eSelecting a muffle furnace comes down to matching chamber capacity, temperature capability, control sophistication, and site power to your workflow. Use the criteria below to scope the right configuration .\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e chamber volume determines batch size; the FO301CR offers a 7.5 L chamber for typical ashing and heat-treatment runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e confirm the maximum operating temperature meets your method requirements; request manufacturer documentation for exact ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl and Connectivity:\u003c\/strong\u003e a communication port enables digital data logging and integration with external monitoring, useful for documented and regulated processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e select 115V (FO301CR) or 220V (FO311CR) to match your facility's electrical service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint:\u003c\/strong\u003e verify bench or floor space against unit dimensions, available on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e review interlocks and over-temperature protection details for your lab's compliance needs.\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\u003e7.5 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\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e100 to 1150°C \u003csup\u003e*1\u003c\/sup\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e±2°C (at 1150°C) \u003csup\u003e*2\u003c\/sup\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control System\u003c\/td\u003e\n\u003ctd\u003ePID control (VS6 controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eR-thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterior Material\u003c\/td\u003e\n\u003ctd\u003eCeramic fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior Material\u003c\/td\u003e\n\u003ctd\u003eSteel with melamine\/epoxy composite resin coating; SUS304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Function\u003c\/td\u003e\n\u003ctd\u003eFixed temperature, timer (auto start\/stop), program (up to 6 patterns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Devices\u003c\/td\u003e\n\u003ctd\u003eSelf-diagnostic (memory error, sensor error); earth-leakage\/circuit breaker; overheat prevention device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater\u003c\/td\u003e\n\u003ctd\u003eIron-chrome wire, 2.0 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Dimensions\u003c\/td\u003e\n\u003ctd\u003e200 × 250 × 150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel, Melamine, Epoxy composite resin coating, Stainless steel, SUS304 (body)\nCeramic fiber (furnace and door)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN (Barcode)\u003c\/td\u003e\n\u003ctd\u003e797059926992\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e150 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e36 × 36 × 33 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Size\u003c\/td\u003e\n\u003ctd\u003e7 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\u003eFO-301CR\u003c\/td\u003e\n\u003ctd\u003e115V\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFO-311CR\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\/q4kco1834gwd8n7\/FO%20Series%20Muffle%20Furnace.pdf?dl=4\" target=\"_blank\" rel=\"noopener\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/yamato-fo-series-1-5-to-9l-programmable-muffle-furnaces-117?category=43#attr=306\" 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\/muffle-furnace-with-communication-port-9l-fo-411cr\"\u003eMuffle Furnace With Communication Port 9L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/muffle-furnace-with-communication-port-3-75l-fo-201cr\"\u003eMuffle Furnace With Communication Port 3.75L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/muffle-furnace-with-communication-port-1-5l-fo-101cr\"\u003eMuffle Furnace With Communication Port 1.5L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/muffle-furnace-with-communication-port-11-3l-fo-511cr\"\u003eMuffle Furnace With Communication Port 11.3L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/muffle-furnace-with-communication-port-17-5l-fo-611cr\"\u003eMuffle Furnace With Communication Port 17.5L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/muffle-furnace-with-communication-port-23-6l-fo-711cr\"\u003eMuffle Furnace With Communication Port 23.6L\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/laboratory-muffle-furnaces\"\u003eView all Laboratory Muffle Furnaces →\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Buy From LabSupplies.com\u003c\/h2\u003e\u003cp\u003eLabSupplies.com is an authorized Yamato Scientific dealer, so every FO301CR and FO311CR ships as a genuine unit backed by the manufacturer warranty. Our lab-equipment specialists can answer detailed spec questions before you commit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAuthorized Yamato Scientific dealer — genuine units with manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003eIn stock and ready to ship from USA inventory.\u003c\/li\u003e\n\u003cli\u003eDedicated lab-equipment specialists for spec and configuration 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 FO301CR muffle furnace?\u003c\/h3\u003e\u003cp\u003eRefer to Yamato Scientific's manufacturer documentation for the exact maximum operating temperature. We can provide the official specification sheet on request before you order.\u003c\/p\u003e\n\u003ch3\u003eWhat is the chamber capacity of this muffle furnace?\u003c\/h3\u003e\u003cp\u003eThe FO301CR and FO311CR have a 7.5 L heating chamber. Exact internal chamber dimensions are available on request.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the FO301CR and FO311CR?\u003c\/h3\u003e\u003cp\u003eThe only difference is voltage. FO301CR operates on 115V and FO311CR operates on 220V; both share the same 7.5 L chamber and communication port.\u003c\/p\u003e\n\u003ch3\u003eWhat does the communication port do?\u003c\/h3\u003e\u003cp\u003eThe communication port provides a digital interface to connect the furnace to external monitoring and data-acquisition systems, supporting temperature data logging for documented workflows.\u003c\/p\u003e\n\u003ch3\u003eWhich voltage option should I order for my lab?\u003c\/h3\u003e\u003cp\u003eChoose FO301CR for 115V service or FO311CR for 220V service. Match the model to your facility's electrical supply; our specialists can confirm requirements.\u003c\/p\u003e\n\u003ch3\u003eIs this a genuine Yamato Scientific unit with a warranty?\u003c\/h3\u003e\u003cp\u003eYes. LabSupplies.com is an authorized Yamato Scientific dealer, so every unit is genuine and backed by the manufacturer warranty, shipping from USA inventory.\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\/muffle-furnace-with-communication-port-7-5l-fo-301cr#product\",\n      \"name\": \"Yamato FO301CR Muffle Furnace With Communication Port 7.5L\",\n      \"sku\": \"FO-301CR\",\n      \"mpn\": \"FO-301CR\",\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\/muffle-furnace-with-communication-port-7-5l-fo-301cr\",\n      \"dateModified\": \"2026-06-29\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"4190.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/muffle-furnace-with-communication-port-7-5l-fo-301cr\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059926992\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/FO300CR%20310CR.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"Yamato FO301CR muffle furnace, 7.5 L chamber with communication port for data logging. 115V\/220V options. 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