If heat generated during operation of heating component in analytic equipment cannot dissipate in time, the equipment will not work. So it is necessary to use cooling water to cool the heating component. The former cooling method of analytic equipment usually left the tap water running. Normally, tap water flow is 10L/min, assuming that working time is 8 hours per day, the water consumption will be 1440 tons per year, it causes a tremendous waste of water resources. Meanwhile, cooling effect is poor. In areas where the water is hard, encrustation problem will affect normal usage of equipment. So currently the most economy and practical equipment cooling method that is usually adopted is water cooling recirculation. The Michem undertakes scientific and technological projects during the Tenth Five-Year Plan period of State Ministry of Science and Technology and Upholds the principle of self-renovation. Through ceaseless efforts, MC series water cooling circular now has two series products: frequency conversion type and start stop type since launched in the marketplace in 1995. adopting advanced theory and mature technique, MC series products are reliable and applicable for use, and enjoy widespread reputation in market. MC series water cooling circulator can provide cooling water with constant temperature, flow rate and pressure, and applies to various kinds of equipment and device that need cooling water and constant temperature. Application Area â—†Analytical equipment: graphite furnace atomic absorption, ICP, ICP-MS, electron microscope, mass spectrograph, X-ray diffractometer, X-ray fluorescence spectrometer, infrared spectrometer, viscometer, polarimeter, installation for fermenting, rotatory evaporator â—†Vacuum equipment and Medical equipments：molecular pump, diffuser pump, hypothermic blanket, X-ray machine, nuclear magnetic resonance, accelerator â—†Industrial equipment and others: laser equipment, vacuum coating equipment, bio-pharmaceuticals, mold, machine tool, vacuum firing furnace, spotwelder, reaction kettle Features â– Ingenuous structure, artistic shape â– High quality and heavy-duty design for long, reliable service life â– Equipped with digital temperature controller, automatically control water temperature â– Easy to connect to supplementary equipment, watertight â– One-piece and movable equipment fitted with trundles, convenient to move â– Optional various imported high quality low noise pump with reasonably structure, good performance and high reliability â– Convenient to install and use, need no special installation and pipeline connection. The only thing need to do is connect to analytical equipment, then turn on power, preset temperature and press “RUN” button. Technical features â– Frequency conversion mode 1）Cooling water temperature can be adjusted according to demand in the range of 5-35℃. Temperature can be controlled through changing compressor frequency to regulate input/output power of cooling system automatically. Remarkable effect of energy saving, the saving electricity under the same refrigerating output condition is above 30%. 2）Key component in cooling system such as compressor, circulating fan adopt imported famous brand products. When temperature remain stable, compressor will operate in low speed to minimize the noise level. The imported recycle pump adopted has following features: high circulating flow rate, maximum pressure reaches more than 7.0 bar, adjustable pressure. 3）Controlled by microprocessor, high control precision, stable and reliable performance, realize precise temperature control combined with PID technique. 4）When compressor power up, input power progressively increase inside 20 seconds to achieve soft start-up. This avoid high current surge and prolong the machine life.

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