{"product_id":"istir-oh-jr-compact-analog-overhead-stirrer-complete-kit","title":"iStir OH Jr. Compact Analog Overhead Stirrer – Complete Kit","description":"\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; color: #263746; line-height: 1.65; max-width: 950px; margin: 0 auto;\"\u003e\n\n  \u003cdiv style=\"background: #123b63; color: #ffffff; padding: 25px 28px; border-radius: 8px 8px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; line-height: 1.25;\"\u003e\n      iStir OH Jr. Compact Analog Overhead Stirrer\n    \u003c\/h1\u003e\n    \u003cp style=\"margin: 8px 0 0; color: #dceaf5; font-size: 17px;\"\u003e\n      Complete laboratory stirring kit for volumes up to 10 litres and viscosities up to 1,000 mPa·s\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border: 1px solid #d6e0e8; border-top: 0; padding: 28px; border-radius: 0 0 8px 8px;\"\u003e\n\n    \u003cp style=\"margin-top: 0; font-size: 16px;\"\u003e\n      The \u003cstrong\u003eiStir OH Jr.\u003c\/strong\u003e is a compact and dependable overhead stirrer\n      designed for routine laboratory mixing of liquids with viscosities up to\n      \u003cstrong\u003e1,000 mPa·s\u003c\/strong\u003e and volumes up to \u003cstrong\u003e10 litres\u003c\/strong\u003e.\n    \u003c\/p\u003e\n\n    \u003cp style=\"font-size: 16px;\"\u003e\n      Its maintenance-free brushless DC motor provides quiet operation, strong torque and\n      consistent performance across a broad speed range. Unlike a magnetic stirrer, the\n      directly driven impeller provides reliable mixing where stronger circulation or\n      positive mechanical agitation is required.\n    \u003c\/p\u003e\n\n    \u003cdiv style=\"background: #eef6fb; border-left: 5px solid #176b9b; padding: 16px 18px; margin: 24px 0;\"\u003e\n      \u003cstrong style=\"color: #123b63;\"\u003eReady-to-use complete kit\u003c\/strong\u003e\u003cbr\u003e\n      Supplied with a plate stand, boss-head clamp and stainless-steel cross-blade impeller,\n      providing the main components required to assemble a complete laboratory mixing station.\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Key Features\n    \u003c\/h2\u003e\n\n    \u003cul style=\"padding-left: 22px;\"\u003e\n      \u003cli\u003e\u003cstrong\u003eMaximum mixing capacity of 10 litres\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003eSuitable for liquid viscosities up to \u003cstrong\u003e1,000 mPa·s\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003eBroad adjustable speed range from \u003cstrong\u003e60–2,200 RPM\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003eDelivers torque up to \u003cstrong\u003e10 Ncm\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003eMaintenance-free \u003cstrong\u003ebrushless DC motor\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003eQuiet operation for comfortable laboratory use\u003c\/li\u003e\n      \u003cli\u003eConsistent mixing performance as the sample load changes\u003c\/li\u003e\n      \u003cli\u003eBuilt-in electronic overload protection\u003c\/li\u003e\n      \u003cli\u003eCompact stirrer head helps conserve valuable bench space\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIP42-rated housing\u003c\/strong\u003e for improved protection and durability\u003c\/li\u003e\n      \u003cli\u003eSimple analog speed adjustment\u003c\/li\u003e\n      \u003cli\u003eSupplied with stand, clamp and cross-blade impeller\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Reliable Mechanical Mixing\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      The overhead drive rotates an impeller positioned directly inside the sample.\n      This provides positive mechanical mixing and makes the iStir OH Jr. suitable for\n      applications where magnetic coupling may be unreliable or insufficient.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      The wide speed range allows the same instrument to perform gentle blending at lower\n      speeds and more vigorous agitation at higher speeds. The speed should always be\n      selected according to the vessel, impeller, liquid volume and sample viscosity.\n    \u003c\/p\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Quiet, Maintenance-Free Motor\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      A brushless DC motor eliminates the need for routine carbon-brush replacement while\n      providing quiet, efficient and dependable operation. The drive delivers torque up to\n      10 Ncm, enabling it to maintain effective mixing of suitable liquids with viscosities\n      up to 1,000 mPa·s.\n    \u003c\/p\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Compact and Easy to Position\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      The lightweight stirrer head can be positioned on the supplied plate stand to suit\n      different vessel heights. The boss-head clamp securely connects the stirrer assembly\n      to the stand, while the 300 mm shaft provides practical adjustment for common\n      laboratory vessels.\n    \u003c\/p\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Typical Applications\n    \u003c\/h2\u003e\n\n    \u003cul style=\"padding-left: 22px;\"\u003e\n      \u003cli\u003eDissolving solids and powders into liquids\u003c\/li\u003e\n      \u003cli\u003ePreparation of laboratory reagents and buffers\u003c\/li\u003e\n      \u003cli\u003eMixing oils, lotions and light cosmetic formulations\u003c\/li\u003e\n      \u003cli\u003ePaint, ink and coating development\u003c\/li\u003e\n      \u003cli\u003ePharmaceutical and chemical formulation work\u003c\/li\u003e\n      \u003cli\u003eSample preparation and quality-control testing\u003c\/li\u003e\n      \u003cli\u003eResearch, educational and industrial laboratories\u003c\/li\u003e\n      \u003cli\u003eGeneral liquid-to-liquid blending and homogenisation\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Technical Specifications\n    \u003c\/h2\u003e\n\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3; width: 42%;\"\u003e\u003cstrong\u003eMaximum mixing capacity\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e10 litres\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eMaximum recommended viscosity\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e1,000 mPa·s\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eSpeed range\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e60–2,200 RPM\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eMaximum torque\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e10 Ncm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eMotor type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eBrushless DC motor\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eSpeed control\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eVariable analog control\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eOverload protection\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eYes\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eProtection class\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eIP42\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eStirrer-head dimensions\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eApproximately 80 × 42 × 166 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eStirrer-head weight\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eApproximately 1.3 kg\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background: #eef6fb;\"\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003e\u003cstrong\u003eSupplied impeller\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 11px 13px; border: 1px solid #cfdae3;\"\u003eCross-blade impeller, approximately 50 × 8 × 300 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Supplied as Standard\n    \u003c\/h2\u003e\n\n    \u003cul style=\"padding-left: 22px;\"\u003e\n      \u003cli\u003eiStir OH Jr. overhead stirrer head\u003c\/li\u003e\n      \u003cli\u003eCross-blade stainless-steel impeller, approximately 50 × 8 × 300 mm\u003c\/li\u003e\n      \u003cli\u003eLaboratory plate stand\u003c\/li\u003e\n      \u003cli\u003eBoss-head clamp\u003c\/li\u003e\n      \u003cli\u003ePower adapter and UK connection\u003c\/li\u003e\n      \u003cli\u003eOperating instructions\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2 style=\"background: #176b9b; color: #ffffff; padding: 11px 16px; margin: 30px 0 18px; border-radius: 5px; font-size: 21px;\"\u003e\n      Choosing the Correct Impeller\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      Impeller shape and diameter influence the direction of flow, mixing intensity and\n      suitability for different sample viscosities. Additional radial-flow, axial-flow and\n      tangential-flow impellers are available for specialised applications.\n    \u003c\/p\u003e\n\n    \u003cdiv style=\"background: #f4f7f9; border: 1px solid #d6e0e8; padding: 18px; margin-top: 28px; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"color: #123b63;\"\u003eNeed help configuring your overhead stirrer?\u003c\/strong\u003e\u003cbr\u003e\n      Please provide Auckland Scientific with the vessel dimensions, working volume,\n      approximate viscosity and required mixing action. We can help confirm whether the\n      iStir OH Jr. and supplied impeller are suitable for your application.\n    \u003c\/div\u003e\n\n    \u003cp style=\"font-size: 13px; color: #647583; margin: 22px 0 0;\"\u003e\n      Product images are illustrative. Vessel shown in application photographs may not be\n      included. Specifications may be updated by the manufacturer without notice.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Auckland Scientific","offers":[{"title":"Default Title","offer_id":58819131965765,"sku":"iStir OH Jr","price":475.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/1930\/6309\/files\/iStirOHJr.png?v=1786361121","url":"https:\/\/auckland-scientific.co.uk\/products\/istir-oh-jr-compact-analog-overhead-stirrer-complete-kit","provider":"Auckland Scientific Ltd","version":"1.0","type":"link"}