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  It has the advantage of high calculating precision, stable functioning, digital demonstration and easy operation. The auto-adapted software has the function of controlling the parameter setup, the self correcting of the fall height, deviation alarm and fault self-diagnostics etc. Wide quantitative extent, high precision and a platform that can be raised and lowered makes it have more functions and efficiency higher. Adopt the imported sensor and pneumaticimple mentation mechanism which makes the work reliable, the maintenance easy and no pollution.