Overhead stirrer is suitable for mixture of high viscosity liquid or solid-liquid. Widely used in chemical synthesis, pharmaceutical, physical and chemical analysis, petrochemical, cosmetics, health care, food, biotechnology and other fields.Features of OS40-S/ OS20-S - High reliability, long continuous service, outstanding performance - Cover the speed range from 0 to 2200rpm, the speed is accurate and controlled - Brushless DC motor drive, low noise and maintenance free - LED displays actual speed - Overload protection, motor would automatically stop in case of continuous overload - Anti-spill samples, PC control system starts up smoothly, prevent samples overflo
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