技术指标: 1.测量参数:Ra、Rz、Ry 2.测量范围:球轴承:Ra:0.025~1.0μm 2.测量范围: 滚子轴承:Ra:0.025~6.3μm 3.取样长度:0.25,0.8,(2.5)mm 4.测量行程:1,2,3,4,6,8mm 5.示值误差:球轴承:≤±15%, 5.示值误差: 滚子轴承:≤±10% 6.示值变动性:球轴承:≤12%, 6.示值变动性: 滚子轴承:≤6% 7.球轴承沟道曲率半径:r≥3mm 8.滚子轴承沟道深度:≤10mm