{"product_id":"benchmark-scientific-rotobot-programmable-rotator-r4045","title":"Benchmark Scientific RotoBot Programmable Rotator R4045 | 1–80 rpm, Up to 12 × 50 mL or 84 × 1.5 mL","description":"\u003cp\u003eThe R4045 RotoBot is the larger programmable rotator, with capacity for up to 12 × 50 mL, 22 × 15 mL or 84 × 1.5 mL tubes. Supplied holders take 30 × 1.5 mL, 8 × 15 mL and 2 × 50 mL. Speed is set digitally between 1 and 80 rpm, and more than 10 operating modes range from slow rotation to vigorous mixing, with C1 and C2 for user-built sequences. Timed runs last 1 sec to 99 hrs 59 min, or run continuously; an optional rocking platform is offered.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUp to 12 × 50 mL, 22 × 15 mL or 84 × 1.5 mL\u003c\/li\u003e\n\u003cli\u003eIncludes holders for 30 × 1.5 mL, 8 × 15 mL and 2 × 50 mL\u003c\/li\u003e\n\u003cli\u003eDigital speed 1–80 rpm; 360° or interrupted rotation\u003c\/li\u003e\n\u003cli\u003eOver 10 operating modes plus C1\/C2 custom programs\u003c\/li\u003e\n\u003cli\u003eRated +2 to +70°C for cold rooms and incubators\u003c\/li\u003e\n\u003cli\u003eUniversal 100–240V, 3A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eBenchmark Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog number\u003c\/th\u003e\n\u003ctd\u003eR4045 \/ R4045-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed Range\u003c\/th\u003e\n\u003ctd\u003e1–80 rpm (variable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Modes\u003c\/th\u003e\n\u003ctd\u003eMore than 10, plus 2 custom modes (C1, C2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTimer\u003c\/th\u003e\n\u003ctd\u003e1 s–99 h 59 min or continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Capacity\u003c\/th\u003e\n\u003ctd\u003e12 × 50 mL; 22 × 15 mL; 84 × 1.5 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Tube Holders\u003c\/th\u003e\n\u003ctd\u003e30 × 1.5 mL; 8 × 15 mL; 2 × 50 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e2–70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e100–240 V, 50–60 Hz; 3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eOrdering information\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCatalog number\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eR4045\u003c\/td\u003e\n\u003ctd\u003e100–240V, US plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR4045-E\u003c\/td\u003e\n\u003ctd\u003e100–240V, European plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.benchmarkscientific.com\/wp-content\/uploads\/2026\/08\/R4040-R4045-Benchmark-Rotobot-Instruction-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstruction manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-rotobot-programmable-rotator-r4045#product\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Benchmark Scientific\"},\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Benchmark Scientific\"}},{\"@type\":\"Offer\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-rotobot-programmable-rotator-r4045?variant=67828460191976#offer\",\"mpn\":\"R4045\",\"sku\":\"R4045\"},{\"@type\":\"Offer\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-rotobot-programmable-rotator-r4045?variant=67828460224744#offer\",\"mpn\":\"R4045-E\",\"sku\":\"R4045-E\"}]}\u003c\/script\u003e","brand":"Benchmark Scientific","offers":[{"title":"100–240V, US plug","offer_id":67828460191976,"sku":"R4045","price":1030.0,"currency_code":"USD","in_stock":true},{"title":"100–240V, European plug","offer_id":67828460224744,"sku":"R4045-E","price":1030.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/R4045_20RotoBot_20HR_20EM.jpg?v=1790992334","url":"https:\/\/labsupplies.com\/products\/benchmark-scientific-rotobot-programmable-rotator-r4045","provider":"LabSupplies.com","version":"1.0","type":"link"}