{"product_id":"thermo-scientific-haake-a45hc-ac200-circulator","title":"Thermo Scientific Haake A45HC\/AC200 Circulator","description":"\u003ch2\u003e\u003cspan\u003eThermo Scientific Haake A45HC\/AC200 Refrigerated\/Heated Circulator\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 Refrigerated\/Heated Circulator is a high-performance laboratory temperature-control system designed for demanding heating, refrigeration, and external circulation applications. Combining the Thermo Scientific ARCTIC A45HC refrigerated bath with the advanced AC200 digital controller, this system provides a broad -45°C to +200°C operating range, approximately 900 W of cooling capacity at +20°C, and a powerful circulation system capable of delivering up to 24 L\/min.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC is particularly well suited for laboratories requiring lower operating temperatures than conventional refrigerated circulating baths. Its integrated heating and refrigeration systems allow precise temperature control for chemical synthesis, materials testing, analytical instrumentation, reactor temperature regulation, and other laboratory procedures requiring both subzero and elevated-temperature operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable used and refurbished from American Instrument Exchange, this Thermo Scientific Haake A45HC\/AC200 is inspected and tested for heating, refrigeration, circulation, temperature regulation, and overall operating performance. A 90-day warranty is included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBroad -45°C to +200°C operating temperature range\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThermo Scientific AC200 advanced digital temperature controller\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApproximately 900 W cooling capacity at +20°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e7–12 L working bath volume\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaximum circulation flow approximately 24 L\/min\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaximum pump pressure approximately 560 mbar \/ 8.1 psi\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eForce and suction circulation pump for internal and external applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStainless-steel refrigerated bath\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntegrated heating and mechanical refrigeration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMicroprocessor-controlled temperature regulation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProgrammable temperature profiles and ramping capabilities\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDigital temperature display\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUSB and RS232 communication interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eR290 hydrocarbon refrigeration system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLow-liquid and over-temperature safety protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRefurbished and tested by American Instrument Exchange\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e90-day warranty included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 combines a powerful refrigeration system with the advanced temperature-control capabilities of the AC200 controller.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike standard refrigerated circulating baths that typically operate to approximately -10°C or -25°C, the A45HC can achieve temperatures as low as -45°C. This extended low-temperature capability makes it especially valuable for research and industrial laboratories conducting subzero experiments, temperature-dependent chemical reactions, and materials testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AC200 controller provides precise digital temperature regulation and advanced programming capabilities, allowing users to establish temperature setpoints and controlled heating or cooling profiles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stainless-steel bath provides approximately 7–12 L of working fluid volume. Compatible samples, vessels, sensors, and test components can be placed directly into the temperature-controlled bath.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe system also supports external circulation through compatible laboratory equipment. Temperature-controlled fluid can be circulated through jacketed reactors, condensers, heat exchangers, analytical instruments, and other closed-loop applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC's combination of low-temperature refrigeration, elevated-temperature heating, and advanced controller functionality makes it a versatile alternative to maintaining separate heating and cooling systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermo Scientific \/ Haake\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eARCTIC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBath Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA45HC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eController\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAC200\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConfiguration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA45HC\/AC200\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEquipment Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRefrigerated\/heated circulating bath\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-45°C to +200°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdvanced digital microprocessor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBath Working Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7–12 L \/ 1.8–3.2 gal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCooling Capacity at +20°C\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 900 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Pump Flow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 24 L\/min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Pump Pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 560 mbar \/ 8.1 psi\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Suction Flow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 20 L\/min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePump Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eForce\/suction circulation pump\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeating Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 1,200 W for 115 V configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eReservoir Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Circulation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExternal Circulation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRefrigerant\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eR290\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eController Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital display\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB and RS232\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWorking Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 8.0\"D × 6.8\"W × 7.2\"L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExterior Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 15.2\"W × 22.8\"D × 31.0\"H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApproximate Net Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e115 lb \/ 52.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Requirements\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAvailable in 115 V\/60 Hz and 230 V\/50 Hz configurations; verify unit nameplate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUsed and refurbished\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90 days\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eSpecifications compiled from Thermo Scientific manufacturer documentation and American Instrument Exchange product information. Electrical configuration and installed accessories should be verified for the individual unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 is designed for laboratory applications requiring precise temperature control across an exceptionally broad operating range. Common uses include chemical synthesis, jacketed reactor temperature regulation, materials testing, viscosity measurements, sample conditioning, crystallization studies, condenser cooling, analytical instrument temperature control, and process development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts -45°C minimum operating temperature makes it particularly useful for low-temperature chemistry and experimental procedures requiring subzero thermal conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor direct-bath applications, compatible laboratory vessels, samples, probes, and test components can be immersed in the stainless-steel reservoir. Continuous circulation helps distribute thermal energy throughout the bath.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor external applications, temperature-controlled fluid can be circulated through jacketed reaction vessels, condensers, and other compatible laboratory equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AC200 controller's programmable temperature-control capabilities are particularly useful for applications requiring controlled temperature changes, repeatable thermal profiles, or extended experimental procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal Laboratory Types\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 is well suited for pharmaceutical research laboratories, biotechnology facilities, organic and synthetic chemistry laboratories, materials-science departments, analytical laboratories, industrial research facilities, process-development groups, quality-control laboratories, and academic research institutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLaboratories performing low-temperature chemical reactions or materials testing may find the A45HC especially useful because of its ability to operate substantially below the temperature limits of conventional refrigerated baths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts advanced controller also makes it appropriate for facilities conducting repeatable thermal experiments or procedures requiring programmed temperature changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePerformance \u0026amp; Temperature Stability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 provides controlled heating and refrigeration across a -45°C to +200°C temperature range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe integrated refrigeration system provides approximately 900 W of cooling capacity at +20°C. Available cooling capacity decreases as operating temperature approaches the lower end of the system's range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConsequently, the maximum 900 W rating should not be interpreted as the available cooling capacity at -45°C. Laboratories with significant continuous heat loads should evaluate refrigeration performance at their intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AC200 controller uses advanced digital temperature regulation to manage heating, refrigeration, and circulation. Its programming capabilities allow users to establish temperature profiles appropriate for experimental procedures requiring controlled temperature changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stainless-steel reservoir and integrated circulation pump work together to distribute temperature-controlled fluid throughout the bath, helping reduce thermal gradients and improve temperature consistency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor applications approaching either end of the temperature range, the correct heat-transfer fluid is essential. Water alone is unsuitable for the complete -45°C to +200°C range.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCirculation \u0026amp; Pump Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC\/AC200 features a force\/suction circulation pump designed to support both internal bath circulation and external temperature-control applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pump provides maximum pressure-side flow of approximately 24 L\/min, maximum suction-side flow of approximately 20 L\/min, and maximum discharge pressure of approximately 560 mbar.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis circulation capability allows the A45HC to supply conditioned fluid to compatible jacketed vessels, condensers, analytical instruments, and other laboratory equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual flow through an external system will depend on tubing diameter, hose length, fittings, fluid viscosity, operating temperature, and hydraulic resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen selecting the A45HC for external temperature control, laboratories should compare both the required thermal load and the hydraulic requirements of the connected equipment with the circulator's capabilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRefurbishment \u0026amp; Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis used Thermo Scientific Haake A45HC\/AC200 Refrigerated\/Heated Circulator is refurbished and tested by American Instrument Exchange before shipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur technicians inspect the refrigeration system, compressor, condenser, heating elements, circulation pump, stainless-steel reservoir, AC200 controller, display, temperature sensor, fluid connections, electrical components, and applicable safety systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTemperature-controlled equipment is tested using NIST-traceable probes and data loggers. The A45HC\/AC200 can be operated at multiple temperatures to evaluate refrigeration performance, heating capability, circulation, controller response, and temperature regulation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe reservoir and accessible fluid-contact components are cleaned and inspected before shipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCustomers purchasing the A45HC for a specific low-temperature application, jacketed reactor, or external circulation system are encouraged to provide their operating requirements before shipment. When practical, American Instrument Exchange can incorporate customer-requested operating conditions into final testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA 90-day warranty is included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShipping \u0026amp; Installation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC\/AC200 weighs approximately 115 lb and should be transported with the bath drained and the refrigeration system properly protected. American Instrument Exchange prepares the unit for commercial shipment with appropriate protection for the controller, compressor, refrigeration components, stainless-steel reservoir, housing, and fluid connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC uses R290 refrigerant, a flammable hydrocarbon refrigerant. Installation, handling, and service should follow the manufacturer's safety requirements, including precautions regarding ignition sources and ventilation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe unit should be installed on a stable, level surface with adequate airflow around the refrigeration system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, the reservoir should be filled with an appropriate heat-transfer fluid selected for the intended operating temperature. Particular attention should be paid to fluid compatibility for applications below 0°C or above 100°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal circulation tubing should be rated for the intended temperature and pressure and securely connected before operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical requirements should be confirmed against the individual unit's nameplate before connecting power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRelated Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Instrument Exchange stocks a wide selection of \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/circulators\"\u003e\u003cspan\u003elaboratory circulators\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, including Thermo Scientific Haake refrigerated\/heated circulators, recirculating chillers, immersion circulators, and heated circulating baths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLaboratories considering the A45HC\/AC200 may also want to compare available \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/baths\"\u003e\u003cspan\u003elaboratory water baths\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/reactors-fermenters\"\u003e\u003cspan\u003ereactors and fermenters\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/evaporators-extractors\"\u003e\u003cspan\u003eevaporators and extractors\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for complementary temperature-control and laboratory processing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThermo Scientific Haake A45HC\/AC200 Frequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the temperature range of the Thermo Scientific A45HC\/AC200?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Scientific Haake A45HC with AC200 controller provides an operating temperature range of approximately -45°C to +200°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the cooling capacity of the A45HC?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThermo Scientific specifies approximately 900 W of cooling capacity at +20°C. Available cooling capacity varies with operating temperature and heat load.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the bath capacity of the A45HC?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC provides approximately 7–12 L of working bath volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat controller does the Thermo A45HC use?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThis configuration includes the Thermo Scientific AC200 advanced digital temperature controller, which provides programmable temperature regulation and communication capabilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the difference between the AC150 and AC200 controllers?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe AC200 provides a higher maximum operating temperature and more advanced programming capabilities. The A45HC is specifically supported with the AC200 controller for operation from -45°C to +200°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eCan the A45HC be used for low-temperature chemical reactions?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. The -45°C minimum operating temperature makes the A45HC suitable for compatible low-temperature chemistry applications, provided the system's cooling capacity and circulation performance meet the process requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eCan the A45HC circulate fluid through a jacketed reactor?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. The system supports external circulation and can provide temperature-controlled fluid to compatible jacketed reactors and other laboratory equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the maximum pump flow rate?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe AC200 circulation system provides maximum pressure-side flow of approximately 24 L\/min.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the maximum pump pressure?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eMaximum pump pressure is approximately 560 mbar, equivalent to approximately 8.1 psi.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes the A45HC provide both heating and cooling?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. The A45HC combines integrated mechanical refrigeration with an electric heater, allowing operation across a broad temperature range.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eCan samples be placed directly into the A45HC bath?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. The stainless-steel reservoir provides direct bath access for compatible samples, vessels, probes, and test components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat refrigerant does the Thermo A45HC use?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC uses R290 hydrocarbon refrigerant. Appropriate safety precautions must be followed during installation, operation, and service.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eCan the A45HC operate at -45°C while removing a continuous 900 W heat load?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eNot necessarily. The 900 W cooling rating applies at +20°C. Cooling capacity decreases at lower temperatures, so the actual available capacity at -45°C is substantially lower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat are the dimensions of the Thermo Scientific A45HC?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe A45HC measures approximately 15.2 inches wide × 22.8 inches deep × 31 inches high and weighs approximately 115 lb.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes this refurbished Thermo Scientific A45HC\/AC200 include a warranty?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. This used Thermo Scientific Haake A45HC\/AC200 is refurbished and tested by American Instrument Exchange and includes a 90-day warranty.\u003c\/span\u003e\u003c\/p\u003e","brand":"Thermo Scientific","offers":[{"title":"Default Title","offer_id":50897416683568,"sku":"1471S CIRC","price":4700.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/1228\/9072\/files\/ComingSoon_c0fa79da-fd21-442c-876b-5fe7af7b1f7e.png?v=1793093719","url":"https:\/\/www.americaninstrument.com\/products\/thermo-scientific-haake-a45hc-ac200-circulator","provider":"American Instrument Exchange","version":"1.0","type":"link"}