{"product_id":"heating-circulator-qualihc-series","title":"Heating Circulator – QualiHC™ Series","description":"\u003ch2\u003eHeating Circulator – QualiHC™ Series\u003c\/h2\u003e\n\u003ch3\u003eHeating Circulator (RT +8 to 300°C)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eQualiHC™ Series Heating Circulator\u003c\/strong\u003e is a compact process thermostat engineered to deliver accurate heating and stable liquid bath temperature control for calibration, sample conditioning, and closed-loop circulation with external equipment.\u003c\/p\u003e\n\u003cp\u003eThe system supports both internal and external circulation with adjustable pump flow to suit a wide range of laboratory applications. Power-loss recovery and selectable auto-restart or standby functions help maintain uninterrupted testing after unexpected power interruptions. High-precision temperature regulation provides consistent setpoint accuracy and dependable performance for routine laboratory processes.\u003c\/p\u003e\n\u003ch2\u003eHeating Circulator – QualiHC™ Series Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermometer Calibration:\u003c\/strong\u003e Delivers a stable liquid bath for accurate verification and adjustment of thermometer readings across the required temperature range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Sensor Calibration:\u003c\/strong\u003e Provides a uniform thermal environment for comparing RTD and thermocouple sensors against a reference standard while recording measurement deviations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSample Conditioning for Testing and Quality Control:\u003c\/strong\u003e Maintains liquids, reference materials, and sealed samples at a defined temperature before analysis to improve test consistency and repeatability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Temperature Control:\u003c\/strong\u003e Circulates temperature-controlled fluid through jackets, coils, heat exchangers, and other external equipment that require reliable thermal regulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeating Circulator – QualiHC™ Series Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUser-selectable \u003cstrong\u003eauto-restart or standby mode\u003c\/strong\u003e following power restoration for uninterrupted laboratory operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable run timer\u003c\/strong\u003e that automatically stops operation after the preset time has elapsed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal and external circulation selection\u003c\/strong\u003e for liquid bath operation or closed-loop temperature control of connected equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable circulation pump flow\u003c\/strong\u003e to accommodate different system layouts, sample loads, and external applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-stability temperature regulation\u003c\/strong\u003e for accurate calibration, sample conditioning, and other precision laboratory processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003eHeating Circulator\u003c\/strong\u003e integrates an immersion heater, temperature sensor, controller, and circulation pump to maintain accurate liquid bath temperatures. The controller continuously monitors the bath temperature and adjusts the heating output to achieve and maintain the selected setpoint, even as thermal load conditions change.\u003c\/p\u003e\n\u003cp\u003eInternal circulation keeps the bath temperature uniform throughout the tank, while external circulation delivers temperature-controlled fluid to connected equipment such as reactor jackets, coils, heat exchangers, or other laboratory devices. For the best performance, select a bath fluid suitable for the operating temperature range, allow sufficient time for thermal stabilization, and verify temperature uniformity at the required working depth before beginning critical testing or calibration.\u003c\/p\u003e\n\u003ch2\u003eHeating Circulator – QualiHC™ Series Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiHC™ 15A\u003c\/th\u003e\n\u003cth\u003eQualiHC™ 15B\u003c\/th\u003e\n\u003cth\u003eQualiHC™ 30A\u003c\/th\u003e\n\u003cth\u003eQualiHC™ 30B\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp Range (°C)\u003c\/td\u003e\n\u003ctd\u003eAmbient + 8 to 100\u003c\/td\u003e\n\u003ctd\u003eAmbient + 8 to 200\u003c\/td\u003e\n\u003ctd\u003eAmbient + 8 to 100\u003c\/td\u003e\n\u003ctd\u003eAmbient + 8 to 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBath Volume (L)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e15\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Opening (mm)\u003c\/td\u003e\n\u003ctd\u003e235 × 160\u003c\/td\u003e\n\u003ctd\u003e235 × 160\u003c\/td\u003e\n\u003ctd\u003e310 × 280\u003c\/td\u003e\n\u003ctd\u003e310 × 280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Size (mm)\u003c\/td\u003e\n\u003ctd\u003e300 × 240 × 200\u003c\/td\u003e\n\u003ctd\u003e300 × 240 × 200\u003c\/td\u003e\n\u003ctd\u003e400 × 330 × 230\u003c\/td\u003e\n\u003ctd\u003e400 × 330 × 230\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Power (kW)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e1.55\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e2.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp Fluctuation (°C)\u003c\/td\u003e\n\u003ctd colspan=\"4\"\u003e±0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Resolution (°C)\u003c\/td\u003e\n\u003ctd colspan=\"4\"\u003e0.001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Flow (L\/min)\u003c\/td\u003e\n\u003ctd\u003e0–15\u003c\/td\u003e\n\u003ctd\u003eCycle\u003c\/td\u003e\n\u003ctd\u003e0–15\u003c\/td\u003e\n\u003ctd\u003eCycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H, mm)\u003c\/td\u003e\n\u003ctd\u003e482 × 375 × 490\u003c\/td\u003e\n\u003ctd\u003e482 × 375 × 490\u003c\/td\u003e\n\u003ctd\u003e605 × 425 × 490\u003c\/td\u003e\n\u003ctd\u003e605 × 425 × 490\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52667853504823,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/heating-circulator1886127007_1.webp?v=1784097457","url":"https:\/\/qualitest.us\/products\/heating-circulator-qualihc-series","provider":"Qualitest USA LC","version":"1.0","type":"link"}