{"product_id":"stirling-ult25neu-portable-ultralow-freezer-2543f-freezer","title":"Stirling ULT25NEU Portable Ultralow Freezer","description":"\u003ch2\u003eStirling ULT25NEU Portable Ultralow Freezer\u003c\/h2\u003e\n\u003cp\u003eThe Stirling Ultracold ULT25NEU Portable Ultra-Low Freezer is a compact, energy-efficient ultra-low temperature storage solution engineered for reliable sample protection in laboratories, clinical facilities, pharmaceutical environments, field research applications, and biobanking operations. Designed to maintain stable temperatures as low as -86°C without conventional compressor-based refrigeration, the ULT25NEU delivers dependable ultra-low storage performance with dramatically reduced energy consumption and quiet operation.\u003c\/p\u003e\n\u003ch2\u003eStirling ULT25NEU Portable Ultralow Freezer features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1vq1r7o\" data-start=\"978\" data-end=\"1049\"\u003eTemperature range: -20°C to -86°C for ultra-low sample preservation\u003c\/li\u003e\n\u003cli data-section-id=\"fzexgx\" data-start=\"1050\" data-end=\"1124\"\u003eCompact 25-liter capacity ideal for portable and benchtop applications\u003c\/li\u003e\n\u003cli data-section-id=\"1tjk1bt\" data-start=\"1125\" data-end=\"1203\"\u003eFree-piston Stirling engine technology eliminates conventional compressors\u003c\/li\u003e\n\u003cli data-section-id=\"1i4konm\" data-start=\"1204\" data-end=\"1295\"\u003eEnergy-efficient design consumes significantly less power than traditional ULT freezers\u003c\/li\u003e\n\u003cli data-section-id=\"12ks08v\" data-start=\"1296\" data-end=\"1375\"\u003eQuiet operation with low vibration for laboratory and clinical environments\u003c\/li\u003e\n\u003cli data-section-id=\"150fxpa\" data-start=\"1376\" data-end=\"1454\"\u003eRapid pull-down and temperature recovery performance for sample protection\u003c\/li\u003e\n\u003cli data-section-id=\"1anthzd\" data-start=\"1455\" data-end=\"1540\"\u003eLightweight portable design supports transport and mobile laboratory applications\u003c\/li\u003e\n\u003cli data-section-id=\"1qmpxm9\" data-start=\"1541\" data-end=\"1626\"\u003eEnvironmentally friendly refrigerant-free cooling system with reduced heat output\u003c\/li\u003e\n\u003cli data-section-id=\"362u3h\" data-start=\"1627\" data-end=\"1713\"\u003eDigital touchscreen controller with programmable alarms and temperature monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"1452yjz\" data-start=\"1714\" data-end=\"1767\"\u003e90 day warranty from American Instrument Exchange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProfessionally refurbished by \u003ca data-start=\"1799\" data-end=\"1888\" class=\"decorated-link\" rel=\"noopener\" target=\"_new\" href=\"https:\/\/www.americaninstrument.com?utm_source=chatgpt.com\"\u003eAmerican Instrument Exchange \u003c\/a\u003eeach Stirling Ultracold ULT25NEU Portable Ultra-Low Freezer undergoes comprehensive testing and validation to verify ultra-low temperature performance, alarm functionality, and overall operating condition—providing laboratories with dependable ultra-low storage at substantial savings compared to purchasing new equipment.\u003c\/p\u003e\n\u003cp\u003eWith a vehicle adapter the Stirling ultralow ULT25NEU can be used in applications that require portability, such as pharmaceutical distribution. Other uses include pathology laboratories, tissue banks, regenerative medicine, and other applications related to clinical or diagnostic medicine.\u003c\/p\u003e\n\u003cp data-start=\"2214\" data-end=\"2565\"\u003eFeaturing compact dimensions and highly energy-efficient Stirling engine cooling technology, the ULT25NEU is widely used for laboratory overflow storage, vaccine transport, biologic preservation, clinical research, pharmaceutical storage, and field sample transport applications where reliable ultra-low temperatures are required in a small footprint.\u003c\/p\u003e\n\u003cp data-start=\"2567\" data-end=\"2996\"\u003eUnlike traditional compressor-based ultra-low freezers, the Stirling ULT25NEU operates using a single moving piston system that reduces vibration, minimizes maintenance requirements, and significantly lowers power consumption while maintaining stable ultra-low temperatures. The freezer’s low energy draw and reduced HVAC load make it particularly attractive for laboratories focused on sustainability and operational efficiency.\u003c\/p\u003e\n\u003cp data-start=\"2998\" data-end=\"3222\"\u003eApplications include vaccine and biologic storage, clinical and hospital laboratory use, pharmaceutical sample storage, field and mobile laboratory research, biobanking, and transportation of temperature-sensitive materials.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cem\u003e\u003cstrong\u003e\u003ca title=\"Link to YouTube\" href=\"https:\/\/youtu.be\/pAzFyZTzy74\"\u003eCLICK HERE\u003c\/a\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003eto see the Stirling ULT25NEU portable ultralow freezer on our YouTube channel\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/pAzFyZTzy74?si=xph7WchDgotWXyr5\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eStirling ULT25NEU Portable Ultralow Freezer - Specifications\u003c\/h2\u003e\n\u003cul data-start=\"3258\" data-end=\"3671\"\u003e\n\u003cli data-section-id=\"g4elop\" data-start=\"3258\" data-end=\"3277\"\u003eModel: ULT25NEU\u003c\/li\u003e\n\u003cli data-section-id=\"5ygz04\" data-start=\"3278\" data-end=\"3301\"\u003eCapacity: 25 Liters\u003c\/li\u003e\n\u003cli data-section-id=\"v6lkc6\" data-start=\"3302\" data-end=\"3339\"\u003eTemperature Range: -20°C to -86°C\u003c\/li\u003e\n\u003cli data-section-id=\"m8s18e\" data-start=\"3340\" data-end=\"3370\"\u003eVoltage: 100-240V, 50\/60Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1ea5fur\" data-start=\"3371\" data-end=\"3422\"\u003eCooling Technology: Free-piston Stirling engine\u003c\/li\u003e\n\u003cli data-section-id=\"15ghw56\" data-start=\"3423\" data-end=\"3482\"\u003eRefrigeration System: Compressor-free ultra-low cooling\u003c\/li\u003e\n\u003cli data-section-id=\"acn9o8\" data-start=\"3483\" data-end=\"3528\"\u003eController: Digital touchscreen interface\u003c\/li\u003e\n\u003cli data-section-id=\"182fznf\" data-start=\"3529\" data-end=\"3567\"\u003eMobility: Portable benchtop design\u003c\/li\u003e\n\u003cli data-section-id=\"j27yeg\" data-start=\"3568\" data-end=\"3604\"\u003eNoise Level: Low-noise operation\u003c\/li\u003e\n\u003cli data-section-id=\"1s478d\" data-start=\"3605\" data-end=\"3671\"\u003eEnergy Features: Energy-efficient low power consumption design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor inquiries about the Stirling ULT25NEU, please give us a call at 978-521-2221, or fill out the form on this page.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTesting\u003c\/h3\u003e\n\u003cp\u003eMost of our equipment is used and reconditioned. Our technicians verify the accuracy of temperature controls and readouts of all freezers, making sure that the units hold temperature to within the manufacturer specified tolerance. We replace any hardware or parts as is necessary and if needed replace refrigerant. We clean all freezers thoroughly prior to shipment.\u003c\/p\u003e\n\u003ch3\u003ePictures \u003c\/h3\u003e\n\u003cp\u003eThe photos of the Stirling ULT25NEU Portable Ultralow Freezer above are representative. Please bear in mind that the equipment shown is currently in storage in our warehouse and that in addition to testing each machine we will clean all the equipment thoroughly prior to shipment.\u003c\/p\u003e\n\u003cp\u003eWe often have multiple units of each model in stock and sometimes we're unable to feature photos of every single unit. At your request, we can provide photos of the equipment in your order after testing and cleaning.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStirling ULT25NEU Portable Ultra-Low Freezer – Frequently Asked Questions (FAQ)\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 data-section-id=\"z6mtef\" data-start=\"295\" data-end=\"341\"\u003eWhat is the Stirling ULT25NEU used for?\u003c\/h3\u003e\n\u003cp data-start=\"342\" data-end=\"474\"\u003eThe \u003cspan class=\"whitespace-normal\"\u003eStirling ULT25NEU Portable Ultra-Low Freezer\u003c\/span\u003e is designed for portable ultra-low temperature storage of sensitive materials such as:\u003c\/p\u003e\n\u003cul data-start=\"475\" data-end=\"624\"\u003e\n\u003cli data-section-id=\"1c276sr\" data-start=\"475\" data-end=\"518\"\u003eBiological samples (DNA, RNA, vaccines)\u003c\/li\u003e\n\u003cli data-section-id=\"2tpnod\" data-start=\"519\" data-end=\"547\"\u003eClinical trial materials\u003c\/li\u003e\n\u003cli data-section-id=\"638sk7\" data-start=\"548\" data-end=\"582\"\u003eCell and gene therapy products\u003c\/li\u003e\n\u003cli data-section-id=\"115ue8m\" data-start=\"583\" data-end=\"624\"\u003ePharmaceutical and diagnostic samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"626\" data-end=\"751\"\u003eIt is lightweight and can plug into a variety of power soruces. This makes it especially suited for cold-chain transport and remote storage applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"a9409f\" data-start=\"1336\" data-end=\"1374\"\u003eWhat makes this freezer unique?\u003c\/h3\u003e\n\u003cp data-start=\"1375\" data-end=\"1413\"\u003eThe ULT25NEU stands out because it is a fully portable ultra-low freezer (−80 °C class) that is also compatible with AC and DC power, including vehicle use. Additionally, the cooling is based on Stirling engine technology, not compressors, meaning it is lightweight and dependable. This model is suitable for field deployment and clinical environments. \u003c\/p\u003e\n\u003ch3 data-section-id=\"1b6cj6v\" data-start=\"2588\" data-end=\"2629\"\u003eDoes the Stirling ULT25NEU support remote monitoring?\u003c\/h3\u003e\n\u003cp data-start=\"2630\" data-end=\"2661\"\u003eYes. Many customers choose to use the ULT25NEU with cloud-based monitoring systems, continuous logging of temperature and system status, alerts for deviations to provide both peace of mind and traceability. \u003c\/p\u003e\n\u003ch3 data-section-id=\"46ruld\" data-start=\"3727\" data-end=\"3774\"\u003eWhat are the installation requirements?\u003c\/h3\u003e\n\u003cp data-start=\"3775\" data-end=\"3799\"\u003eMinimal setup is needed for this unit, meaning deployment is quick and easy. All you need it a standard electrical outlet or DC source, adequate ventilation, and a stable surface or transport mount. Beyond that, no special facility infrastructure is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"17fl4py\" data-start=\"5601\" data-end=\"5641\"\u003eHow energy efficient is the ULT25NEU?\u003c\/h3\u003e\n\u003cp data-start=\"5643\" data-end=\"5894\"\u003eThe Stirling ULT25NEU is significantly more energy efficient than many traditional cascade refrigeration ultra-low freezers. Its Stirling engine cooling system reduces electrical consumption and lowers HVAC heat load within the laboratory environment.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ep1mff\" data-start=\"6198\" data-end=\"6247\"\u003eHow stable is the temperature inside the unit?\u003c\/h3\u003e\n\u003cp data-start=\"6249\" data-end=\"6507\"\u003eThe freezer is engineered to maintain stable ultra-low temperatures with rapid recovery after lid openings. The Stirling engine cooling system provides highly responsive temperature control for protection of sensitive biological and pharmaceutical materials.\u003c\/p\u003e","brand":"Stirling","offers":[{"title":"SALE - $3100 \/ $3400.00 \/ 03-18-2024","offer_id":41212608741424,"sku":"2543F FREEZER","price":3400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/1228\/9072\/files\/DSC_0833_63411a74-c5cf-4e80-9161-1bcadc091987.jpg?v=1710859660","url":"https:\/\/www.americaninstrument.com\/products\/stirling-ult25neu-portable-ultralow-freezer-2543f-freezer","provider":"American Instrument Exchange","version":"1.0","type":"link"}