{"product_id":"benchmark-scientific-os40l-overhead-stirrer-ips2050-40","title":"Benchmark Scientific OS40L Overhead Stirrer IPS2050-40 | 40 L, 30–2,200 rpm, 60 Ncm Torque","description":"\u003cp\u003eThe Benchmark Scientific OS40L is the higher-torque model of the series, stirring up to 40 L (water) and samples as viscous as 50,000 mPas. Its brushless DC motor produces 60 Ncm, with 120 W input and 100 W output, over a 30–2,200 rpm range. An LCD shows speed and run time. Shafts from 0.5 to 10 mm lock in the tool-free chuck, and a support stand with mounting hardware and an IPS2050-P-S4 4-arm stainless steel propeller is included. Warranty is 2 years.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStirs up to 40 L (water)\u003c\/li\u003e\n\u003cli\u003e60 Ncm torque for samples up to 50,000 mPas\u003c\/li\u003e\n\u003cli\u003eSpeed range 30–2,200 rpm on a digital LCD\u003c\/li\u003e\n\u003cli\u003eChuck accepts 0.5–10 mm shafts without tools\u003c\/li\u003e\n\u003cli\u003eShuts down automatically if blocked or overloaded\u003c\/li\u003e\n\u003cli\u003eSplash cover; IP42 rated; mixer head weighs 2.8 kg\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\u003eIPS2050-40 \/ IPS2050-40-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMixing Capacity (Water)\u003c\/th\u003e\n\u003ctd\u003e40 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed Range\u003c\/th\u003e\n\u003ctd\u003e30–2,200 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Torque\u003c\/th\u003e\n\u003ctd\u003e60 N·cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Viscosity\u003c\/th\u003e\n\u003ctd\u003e50,000 mPa·s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e120 W input \/ 100 W output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003eDC brushless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChuck Diameter Range\u003c\/th\u003e\n\u003ctd\u003e0.5–10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (W × D × H)\u003c\/th\u003e\n\u003ctd\u003e7.3 × 3.3 × 8.7 in (18.6 × 8.3 × 22.0 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (Mixer)\u003c\/th\u003e\n\u003ctd\u003e2.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Rating\u003c\/th\u003e\n\u003ctd\u003eIP42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmbient Operating Range\u003c\/th\u003e\n\u003ctd\u003e5–40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e100–240 V AC, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded\u003c\/th\u003e\n\u003ctd\u003eSupport stand and 4-arm stainless steel propeller\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\u003eIPS2050-40\u003c\/td\u003e\n\u003ctd\u003e100–240V, US plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIPS2050-40-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\u003eAccessories listed for this model\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCatalog number\u003c\/th\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/benchmark-scientific-overhead-stirrer-propeller-ips2050-p-series-os-propeller\"\u003eIPS2050-P-S4 …\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eBenchmark Scientific Overhead Stirrer Propeller IPS2050-P Series\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuestions about the OS40L Overhead Stirrer IPS2050-40\u003c\/h2\u003e\u003ch3\u003eWhat accessories are available for the OS40L Overhead Stirrer IPS2050-40?\u003c\/h3\u003e\u003cp\u003eBenchmark Scientific lists IPS2050-P-S4 (Overhead Stirrer Propeller) for the OS40L Overhead Stirrer IPS2050-40.\u003c\/p\u003e\u003ch3\u003eIs the OS40L Overhead Stirrer IPS2050-40 available with a European plug?\u003c\/h3\u003e\u003cp\u003eYes. IPS2050-40-E is the European-plug version of IPS2050-40; both run on 100–240V, so only the plug differs.\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.benchmarkscientific.com\/wp-content\/uploads\/2026\/08\/IPS2050-OverHead-Stirrers-manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstruction manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.benchmarkscientific.com\/wp-content\/uploads\/2021\/02\/IPS2050-Overhead-Stirrers-Brochure-EM.pdf\" target=\"_blank\" rel=\"noopener\"\u003eBrochure (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-os40l-overhead-stirrer-ips2050-40#product\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Benchmark Scientific\"},\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Benchmark Scientific\"}},{\"@type\":\"Offer\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-os40l-overhead-stirrer-ips2050-40?variant=67828626817256#offer\",\"mpn\":\"IPS2050-40\",\"sku\":\"IPS2050-40\"},{\"@type\":\"Offer\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-os40l-overhead-stirrer-ips2050-40?variant=67828626850024#offer\",\"mpn\":\"IPS2050-40-E\",\"sku\":\"IPS2050-40-E\"},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/labsupplies.com\/products\/benchmark-scientific-os40l-overhead-stirrer-ips2050-40#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What accessories are available for the OS40L Overhead Stirrer IPS2050-40?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Benchmark Scientific lists IPS2050-P-S4 (Overhead Stirrer Propeller) for the OS40L Overhead Stirrer IPS2050-40.\"}},{\"@type\":\"Question\",\"name\":\"Is the OS40L Overhead Stirrer IPS2050-40 available with a European plug?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. IPS2050-40-E is the European-plug version of IPS2050-40; both run on 100–240V, so only the plug differs.\"}}]}]}\u003c\/script\u003e","brand":"Benchmark Scientific","offers":[{"title":"100–240V, US plug","offer_id":67828626817256,"sku":"IPS2050-40","price":1444.23,"currency_code":"USD","in_stock":true},{"title":"100–240V, European plug","offer_id":67828626850024,"sku":"IPS2050-40-E","price":1444.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/download_a09a0938-8304-4494-8e3d-2b3224d9d4b4.jpg?v=1791000881","url":"https:\/\/labsupplies.com\/products\/benchmark-scientific-os40l-overhead-stirrer-ips2050-40","provider":"LabSupplies.com","version":"1.0","type":"link"}