{"product_id":"heating-circulator","title":"Heating Circulator","description":"\u003ch2\u003eHeating Circulator – QualiHC™ Series\u003c\/h2\u003e\n\u003ch4\u003eHeating Circulator (RT +8°C to 300°C)\u003c\/h4\u003e\n\u003cp\u003eThe QualiHC™ Series Heating Circulator is a compact process thermostat that delivers accurate heating and stable liquid bath temperature control for calibration, sample conditioning, and closed-loop thermal circulation with external laboratory equipment.\u003c\/p\u003e\n\u003cp\u003eDesigned for flexible laboratory operation, the system supports both internal and external circulation with adjustable pump flow to match different applications. Power-loss recovery and configurable auto-restart or standby functions help maintain process continuity following unexpected interruptions. High temperature stability and responsive control provide reliable setpoint accuracy for routine laboratory testing, research, and industrial temperature control applications.\u003c\/p\u003e\n\u003ch2\u003eHeating Circulator – QualiHC™ Series Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThermometer Calibration: Delivers a stable liquid bath temperature for accurate verification and adjustment of thermometer readings across a wide operating range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature Sensor Calibration: Creates a uniform thermal environment for calibrating RTDs, thermocouples, and other temperature sensors against a certified reference standard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSample Conditioning for Testing and Quality Control: Maintains samples, liquids, standards, and sealed containers at a defined temperature before analysis, improving measurement consistency and repeatability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExternal Temperature Control: Circulates temperature-controlled fluid through jackets, coils, heat exchangers, and other external laboratory equipment requiring stable 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\u003ePower Recovery and Auto-Restart Function: Restores operation after power interruptions with a configurable start or standby mode based on user requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProgrammable Run Timer: Allows automatic shutdown after a preset operating duration, improving process control and convenience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible Internal and External Circulation: Switches between bath circulation and external loop temperature control for different laboratory setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable Pump Flow Control: Provides adaptable circulation performance for various fixtures, sample volumes, and thermal transfer requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable Temperature Stability: Delivers consistent temperature regulation for repeatable calibration, testing, and sample conditioning applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eA Heating Circulator integrates a heating element, temperature sensor, control system, and circulation pump to maintain precise liquid bath temperature. The controller regulates heating output to quickly reach the target setpoint and continuously adjusts energy input to maintain stable temperature performance under changing load conditions.\u003c\/p\u003e\n\u003cp\u003eInternal circulation promotes consistent temperature distribution throughout the bath, while external circulation transfers controlled thermal fluid through connected equipment, jackets, coils, or external loops. Selecting a suitable heat-transfer fluid for the operating range, allowing sufficient stabilization time, and verifying temperature uniformity at the working depth help achieve reliable and accurate thermal control.\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":52662751756599,"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.webp?v=1784027535","url":"https:\/\/qualitest.us\/ar\/products\/heating-circulator","provider":"Qualitest USA LC","version":"1.0","type":"link"}