Impact device
Hardness value of Leeb standard hardness block
Error of displayed value
Repeatability of displayed value
D
760±30HLD 530±40HLD
±6 HLD ±10 HLD
6HLD 10HLD
DC
±6 HLDC ±10 HLDC
DL
878±30HLD 736±40HLD
±12 HLDL
12HLDL
D+15
766±30HLD 544±40HLD
±12 HLD+15
12HLD+15
G
590±40HLD 500±40HLD
±12 HLG
12HLG
E
725±30HLD 508±40HLD
±12 HLE
12HLE
C
822±30HLD 590±40HLD
±12 HLC
12HLC