A.位移誤差應(yīng)為±0.01mm B.負荷誤差應(yīng)小于0.1%(示值誤差) C.位移誤差應(yīng)為±0.05mm D.負荷誤差應(yīng)小于0.5%(示值誤差)
A.將U形架平放在試驗機工作臺上,然后將貫入儀的貫入桿外端置于U形架的U形槽中 B.將彈簧拉壓試驗機壓頭與貫入桿端面接觸 C.下壓20±0.10mm D.彈簧拉壓試驗機讀數(shù)應(yīng)為800±8N
A.位移分度值為0.05mm B.負荷分度值應(yīng)為0.2N C.位移分度值應(yīng)為0.01mm D.負荷分度值應(yīng)為0.1N