Graigar HT-225 Portable Concrete Rebound Hammer Tester Resiliometer Hammer 10-60Mpa Surface Roughness Gauges · Rechargeable lithium ion battery

·         Rechargeable lithium ion battery pack

while not to be used for calibration purposes

External magnetic field <

Battery 3V

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Graigar HT-225 Portable Concrete Rebound Hammer Tester Resiliometer Hammer 10-60Mpa Surface Roughness Gauges · Rechargeable lithium ion batteryBrand: Graigar Features: HT 225 Concrete Rebound Test Hammer generally applied to building components, bridges and all kinds of concrete components (panels, beams, columns, bridges) strength. The shell is made form high Aluminum in order to perfect protect instrument from damage and extend use life. Pointer slider is outside structure, its friction can be balance well and easy to be adjusted so that we can make sure that the instrument is accurate.