试验力testing pressure: 61.29N6.25Kgf,76.6N7.813Kgf,153.2N15.625Kgf,294N30Kgf,306.25N31.25Kgf,612.9N62.5Kgf 硬度块的硬度Hardness Value Range of test Block:HBSW≤225 >225 示值误差Error Range in Display:±3.0% 试验力施加方法Pressure Loading & Unloading:自动加卸试验力Automatic 测量显微镜放大倍率Magnification of Microscope:50x 试验力保荷时间Pressure Holding Time:5-60s范围内以5秒为单位，任意设定 zui小检测单位Min. Measurable Unit:2μm 试件zui大高度Max. Height of Sample:160mm 压头中心到机壁zui大距离Distance from Indenter’s center to outerwall:135mm 主机重量Main Body Weight:约45kg 电源Power Supply:AC220V/50HZ 外型尺寸：（长×宽×高）Machine SizeL×W×H 540×220×650mm 硬度测量范围Hardness Value Range:8-450HBS,8-650HBW
