{"product_id":"thermostat-constant-temperature-bath","title":"Thermostat (Constant Temperature) Bath","description":"\u003ch2\u003eThermostat (Constant Temperature) Bath – QualiTB™ Series\u003c\/h2\u003e\n\u003ch4\u003eThermostat (Constant Temperature) Bath (-83°C to 98°C)\u003c\/h4\u003e\n\u003cp\u003eAccurate temperature control is essential for chemical reactions, sample conditioning, calibration, and other laboratory processes that require consistent thermal stability. The QualiTB™ Series Thermostat Bath delivers a precisely controlled liquid environment with uniform temperature distribution, efficient circulation, and integrated heating and refrigeration in a compact system.\u003c\/p\u003e\n\u003cp\u003eA microcomputer-based PID controller continuously regulates temperature to maintain the selected setpoint with minimal overshoot during heating and cooling cycles. The system also supports external circulation, allowing it to provide stable thermal control for connected equipment and process applications. Stainless steel wetted components provide excellent corrosion resistance and dependable performance for laboratory and pilot-scale operations.\u003c\/p\u003e\n\u003ch2\u003eThermostat (Constant Temperature) Bath – QualiTB™ Series Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature-Controlled Chemical Reactions:\u003c\/strong\u003e Maintains a stable liquid bath for jacketed reactors, flasks, and process vessels where precise temperature control is critical for reaction rate, crystallization, and viscosity consistency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSample Conditioning:\u003c\/strong\u003e Brings samples to a specified temperature before analytical testing, material characterization, and stability evaluations to improve repeatability and reduce measurement variation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor and Instrument Calibration:\u003c\/strong\u003e Creates a uniform thermal environment for verifying and calibrating temperature probes, sensors, and other measuring instruments that require consistent bath conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Process Temperature Control:\u003c\/strong\u003e Circulates conditioned fluid through reactor jackets, heat exchangers, cooling coils, and temperature-controlled plates to maintain accurate process temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Temperature Material Processing:\u003c\/strong\u003e Supports sub-ambient temperature operation for temperature-sensitive materials that require controlled cooling to maintain stability, reduce evaporation, or slow reaction rates during handling and testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStandards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61010-1\u003c\/strong\u003e — Safety requirements for electrical equipment used in measurement, control, and laboratory applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61010-2-010\u003c\/strong\u003e — Safety requirements for laboratory equipment designed for heating materials, including temperature control baths and circulating systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61326-1\u003c\/strong\u003e — Electromagnetic compatibility (EMC) requirements for electrical equipment used in measurement, control, and laboratory environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO\/IEC 17025 (Contextual)\u003c\/strong\u003e — Applicable when the thermostat bath is integrated into accredited calibration and testing laboratories that follow recognized quality and competence requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThermostat (Constant Temperature) Bath – QualiTB™ Series Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMicrocomputer-based PID temperature control for accurate setpoint regulation and stable temperature performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated refrigeration and heating system for reliable operation across sub-ambient and elevated temperature ranges, depending on the model.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBottom-mounted heating design that helps reduce frequent compressor cycling for improved operating efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-noise sealed compressor refrigeration system with rapid cooling response and dependable long-term performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMagnetic stirring system that promotes uniform liquid circulation for consistent temperature distribution throughout the bath.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel wetted components that provide excellent corrosion resistance and help maintain fluid cleanliness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports both internal bath operation and external fluid circulation for reactor jackets, heat exchangers, and other temperature-controlled equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eThe QualiTB™ Series maintains precise bath temperature through a closed-loop PID control system that continuously compares the measured temperature with the selected setpoint. The controller automatically adjusts heating and cooling output to minimize temperature variation, maintain stable operating conditions, and reduce overshoot during temperature transitions.\u003c\/p\u003e\n\u003cp\u003eCooling is generated by a sealed compressor refrigeration system, while a bottom-mounted heating module provides accurate heat input. The coordinated operation of the heating and refrigeration systems helps maintain consistent temperature control while reducing unnecessary compressor cycling during narrow temperature control ranges.\u003c\/p\u003e\n\u003ch2\u003eThermostat (Constant Temperature) Bath – QualiTB™ Series Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTemp Range (°C)\u003c\/th\u003e\n\u003cth\u003eControl Accuracy (°C)\u003c\/th\u003e\n\u003cth\u003eTank Size (mm)\u003c\/th\u003e\n\u003cth\u003eTank Volume (L)\u003c\/th\u003e\n\u003cth\u003eHeating Power (kW)\u003c\/th\u003e\n\u003cth\u003eCooling Capacity @25°C (W)\u003c\/th\u003e\n\u003cth\u003eMax Pump Flow (L\/min)\u003c\/th\u003e\n\u003cth\u003eMax Pump Pressure (bar)\u003c\/th\u003e\n\u003cth\u003eDimensions (L×W×H, mm)\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 100\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e230×150\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e1420–462\u003c\/td\u003e\n\u003ctd rowspan=\"8\"\u003e35\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e520 × 350 × 720\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 200\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e230×150\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e1938–200\u003c\/td\u003e\n\u003ctd rowspan=\"11\"\u003e \u003c\/td\u003e\n\u003ctd\u003e430 × 350 × 960\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 300\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×200\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd rowspan=\"8\"\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e2548–980\u003c\/td\u003e\n\u003ctd\u003e580 × 450 × 730\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 400\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×200\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2900–230\u003c\/td\u003e\n\u003ctd\u003e720 × 650 × 900\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 500\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×350\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e3635–980\u003c\/td\u003e\n\u003ctd\u003e630 × 520 × 1000\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 600\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×350\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e4530–360\u003c\/td\u003e\n\u003ctd\u003e940 × 710 × 1010\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 700\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×350\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4080–1270\u003c\/td\u003e\n\u003ctd\u003e940 × 710 × 1010\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 800\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e290×350\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4679–422\u003c\/td\u003e\n\u003ctd\u003e1030 × 810 × 1020\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 900\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e350×400\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e10256–2300\u003c\/td\u003e\n\u003ctd rowspan=\"4\"\u003e70\u003c\/td\u003e\n\u003ctd\u003e760 × 610 × 1030\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 1000\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e350×400\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e11200–1480\u003c\/td\u003e\n\u003ctd\u003e1030 × 860 × 1030\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 1100\u003c\/td\u003e\n\u003ctd\u003e-40 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e500×450\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e10860–2830\u003c\/td\u003e\n\u003ctd\u003e1000 × 800 × 1100\u003c\/td\u003e\n\u003ctd\u003e220V\/50Hz~1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiTB™ 1200\u003c\/td\u003e\n\u003ctd\u003e-83 to 98\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e500×450\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e11670–1800\u003c\/td\u003e\n\u003ctd\u003e1220 × 830 × 1350\u003c\/td\u003e\n\u003ctd\u003e380V\/50Hz~3\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":52669298016567,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/thermostat-constant-temperature-bath1961892608.webp?v=1784110925","url":"https:\/\/qualitest.us\/ar\/products\/thermostat-constant-temperature-bath","provider":"Qualitest USA LC","version":"1.0","type":"link"}