示值误差和示值重复性
序号
|
冲击装置类型
|
标准里氏硬度块硬度值
|
示值误差
|
示值重复性
|
1
|
D
|
760±30HLD
530±40HLD
|
±5 HLD
±8 HLD
|
5 HLD
8 HLD
|
2
|
DC
|
760±30HLDC
530±40HLDC
|
±5 HLDC
±8 HLDC
|
5 HLD
8 HLD
|
3
|
DL
|
878±30HLDL
736±40HLDL
|
±10 HLDL
|
10 HLDL
|
4
|
D+15
|
766±30HLD+15
544±40HLD+15
|
±10 HLD+12
|
10 HLD+12
|
5
|
G
|
590±40HLG
500±40HLG
|
±10 HLG
|
10 HLG
|
6
|
E
|
725±30HLE
508±40HLE
|
±10 HLE
|
10 HLE
|
7
|
C
|
822±30HLC
590±40HLC
|
±10 HLC
|
10 HLC
|