{"product_id":"oil-bath-2-2l-stainless-steel-bos-200","title":"Yamato BOS200 Oil Bath 2.2L Stainless Steel","description":"\u003ch2\u003eOil Bath 2.2L Stainless Steel Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eOil Bath 2.2L Stainless Steel\u003c\/strong\u003e (model BOS200) is a synthetic-chemistry heating bath from Yamato Scientific, supplied by LabSupplies.com as an authorized dealer. This bath in the Baths category holds roughly 2.2 liters and maintains temperatures across room temperature +5°C to 250°C with PID control.\u003c\/p\u003e\u003cp\u003eStainless-steel construction throughout the reservoir gives the unit strong thermal stability for reactions requiring steady, even heat. A 425 W stainless-steel tube heater drives the bath, while a Pt100Ω sensor and PID loop hold ±0.3°C accuracy at 200°C with stirring. Digital ▲▼ keys set temperature in 1°C units.\u003c\/p\u003e\u003cp\u003eInternal dimensions measure φ170 × 140 mm, and the chromium-free electrogalvanized steel exterior carries a baked finish. Powered at 115V (BOS200) or 220V (BOS210), the unit ships at 12 lbs from USA inventory. Manufactured in Japan, the bath is backed by Yamato's ISO 9001:2015 and ISO 14001:2015 certified quality systems.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePID temperature control:\u003c\/strong\u003e Holds ±0.3°C accuracy at 200°C with stirring, using a Pt100Ω sensor for repeatable setpoints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e Room temperature +5°C to 250°C, with a 0 to 260°C setting range for synthetic experiments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless-steel bath:\u003c\/strong\u003e 2.2 L stainless reservoir paired with a 425 W stainless-steel tube heater for even, stable heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayered safety system:\u003c\/strong\u003e Self-diagnostic sensor-error detection, automatic overheat prevention, an independent overheat device, a heater guard, and a 6.3A fuse with short-circuit and overcurrent protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital operation:\u003c\/strong\u003e Fixed-temperature mode, calibration offset, auto resume, and LED brightness setting via ▲▼ keys in 1°C units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStirrer integration:\u003c\/strong\u003e Base indent seats a magnetic-stirrer hot plate compatible with MFD800 and MFH800 units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Oil Bath\u003c\/h2\u003e\u003cp\u003eSelecting an oil bath comes down to matching reservoir size, temperature performance, and site power to your reaction workflow. Use these axes to confirm fit before purchase.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e A 2.2 L reservoir with φ170 × 140 mm internal dimensions suits round-bottom flasks and small synthetic setups; size the bath to your vessel and immersion depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Operating coverage of room temperature +5°C to 250°C determines which reactions and reflux conditions the bath can support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl type:\u003c\/strong\u003e PID control with ±0.3°C accuracy at 200°C matters when reactions are sensitive to drift; digital setpoints in 1°C units aid reproducibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e Match the unit to your circuit — BOS200 runs on 115V, BOS210 on 220V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Independent overheat prevention, sensor-error self-diagnostics, and a fused short-circuit cutout protect both samples and personnel during extended heating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStirring needs:\u003c\/strong\u003e Confirm whether you require integrated magnetic stirring; the base seats compatible MFD800 or MFH800 hot-plate stirrers.\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\u003e2.2 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\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Setting Range\u003c\/td\u003e\n\u003ctd\u003e0 to 260°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003eRoom temperature +5°C to 250°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±0.3°C (at 200°C, with stirring) \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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Setting \/ Display\u003c\/td\u003e\n\u003ctd\u003eDigital, ▲▼ keys (1°C units)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003ePt100Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater\u003c\/td\u003e\n\u003ctd\u003eStainless-steel tube heater, 425 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBath Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eChromium-free electrogalvanized steel, baked finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Function\u003c\/td\u003e\n\u003ctd\u003eFixed-temperature operation; calibration offset; auto resume; LED brightness setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Devices\u003c\/td\u003e\n\u003ctd\u003eSelf-diagnostic (sensor-error detection, automatic overheat prevention); 6.3A fuse with short-circuit and overcurrent protection; independent overheat prevention device; heater guard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Dimensions\u003c\/td\u003e\n\u003ctd\u003eφ170 × 140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReservoir Capacity\u003c\/td\u003e\n\u003ctd\u003e~2.2 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStirrer Integration\u003c\/td\u003e\n\u003ctd\u003eBase indent seats a magnetic-stirrer hot plate (compatible with MFD800 \/ MFH800)\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\u003e797059932665\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e12 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e11 × 16 × 11 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Size\u003c\/td\u003e\n\u003ctd\u003e2.2 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\u003eBOS-200\u003c\/td\u003e\n\u003ctd\u003e115V\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBOS-210\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\/scl\/fi\/pa9fvfhszd5vk3n1gf8d3\/BOG-BOS-Series-Oil-Bath.pdf?rlkey=uezcxwylo1okcpq3wwrbj3g2l\u0026amp;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=116\" target=\"_blank\" rel=\"noopener\"\u003eISO 14001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/yamato-bog-and-bos-series-laboratory-oil-bath-180?category=11#attr=698\" 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\/oil-bath-2-2l-hard-transparent-glass-bog-200\"\u003eOil Bath 2.2L Hard Transparent Glass\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/oil-bath-1l-hard-transparent-glass-bog-100\"\u003eOil Bath 1L Hard Transparent Glass\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/oil-bath-1l-stainless-steel-bos-100\"\u003eOil Bath 1L Stainless Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/oil-bath-digital-5l-bo-302a\"\u003eOil Bath Digital 5L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/oil-bath-digital-7l-bo-601-115v\"\u003eOil Bath Digital 7L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/large-capacity-oil-bath-37l-with-external-transformer-boa-311\"\u003eLarge Capacity Oil Bath 37L With External Transformer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/oil-baths\"\u003eView all Oil Baths →\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 Oil Bath 2.2L Stainless Steel ships as a genuine unit with full manufacturer warranty support. Order directly and your bath leaves USA inventory ready for the lab.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Yamato dealer:\u003c\/strong\u003e Genuine equipment backed by Yamato's manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn stock:\u003c\/strong\u003e Ready to ship from USA inventory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-equipment specialists:\u003c\/strong\u003e Dedicated support 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 operating temperature range of the BOS200 oil bath?\u003c\/h3\u003e\u003cp\u003eThe bath operates from room temperature +5°C up to 250°C, with a setting range of 0 to 260°C. PID control holds ±0.3°C accuracy at 200°C when stirring.\u003c\/p\u003e\n\u003ch3\u003eWhat is the reservoir capacity and internal size?\u003c\/h3\u003e\u003cp\u003eThe stainless-steel reservoir holds approximately 2.2 liters. Internal dimensions measure φ170 × 140 mm, sized for small synthetic-chemistry vessels.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the BOS200 and BOS210?\u003c\/h3\u003e\u003cp\u003eVoltage is the only difference: BOS200 runs on 115V and BOS210 runs on 220V. Capacity, materials, temperature range, and control system are identical, so choose the model that matches your circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat material is the oil bath made from?\u003c\/h3\u003e\u003cp\u003eThe bath and reservoir are stainless steel for thermal stability. The exterior is chromium-free electrogalvanized steel with a baked finish, and the heater is a 425 W stainless-steel tube type.\u003c\/p\u003e\n\u003ch3\u003eWhat safety features protect against overheating?\u003c\/h3\u003e\u003cp\u003eThe unit includes self-diagnostic sensor-error detection, automatic overheat prevention, and an independent overheat prevention device. A heater guard and a 6.3A fuse with short-circuit and overcurrent protection add further coverage.\u003c\/p\u003e\n\u003ch3\u003eCan the oil bath be used with a magnetic stirrer?\u003c\/h3\u003e\u003cp\u003eYes. The base indent seats a magnetic-stirrer hot plate compatible with Yamato MFD800 and MFH800 units, allowing integrated stirring during heating.\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\/oil-bath-2-2l-stainless-steel-bos-200#product\",\n      \"name\": \"Yamato BOS200 Oil Bath 2.2L Stainless Steel\",\n      \"sku\": \"BOS-200\",\n      \"mpn\": \"BOS-200\",\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\/oil-bath-2-2l-stainless-steel-bos-200\",\n      \"dateModified\": \"2026-06-29\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"1575.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/oil-bath-2-2l-stainless-steel-bos-200\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059932665\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/BOS200%20210.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"Yamato BOS200 2.2L stainless steel oil bath, room temp +5°C to 250°C, PID control ±0.3°C. 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