Digital Display Plaster Material Hardness Tester Automatic High Precision

Digital Display Plaster Material Hardness Tester Automatic High Precision Main Decription: HHP-20A automatic plaster hardness was measured according to the method of measuring the hardness of gypsum GB / T 17669.3-1999 plaster architectural and mechanical properties of ISO 3051 standards. The hardness of high precision, automatic measurement, a key that was hardness value. Main Function: ● High precision: 0.2 micron depth measurement, load accuracy: 0.2%; ● Automatic hardness