Product Description

The professionally designed main instrument is compact (113mm ¡Á 75mm ¡Á27mm), it is possible to put S220 into pocket. * Memory card storage function is an international advanced technology, storage volume is limitless, satisfy the requirements of a wide variety of testing projects. * Real-time print and view original data, easy to save. * Unique voice function, speaking test values (or for use with an earphone, suitable for noisy environments). * Can connect with any ordinary test hammer, attach, calibration and maintenance are convenient and reliable. * Rechargeable lithium battery, both internal charging and external charging are available, meets outdoor needs. * Internal numbers of testing strength curves, suitable for rebound method and ultrasound-rebound method testing concrete anti-compressive strength