1. Error and repeatability of displayed value
2, Measuring range: (170-960)HLD,(17-68.5)HRC,(19-651)HB,(80-
3. Measuring direction:360°(↓↖↗↘↙→←↑)976)HV,(30-100)HS,(59-85)HRA,(13-100)HRB
4. Hardness Scale:HL、HB、HRB、HRC、HRA、HV、HS
5. Display:dot matrix LCD,128×64 dots
6. Data memory:max. 500 groups(relative to impact times 32~1)
7. Working voltage:3V(2 AA size alkaline battery)
8. Continuous working period:about 50 hours(With backlight off)
9. Communication interface:USB1.1
No.
|
Type of impact device
|
Hardness value of hardness block
|
Error of displayed value
|
Repeatability
|
1
|
D
|
760±30HLD
530±40HLD
|
±6 HLD
±10 HLD
|
6 HLD
10 HLD
|
2
|
D
|
50±5 HLC
30±6 HLC
|
±1 HRC
±2 HRC
|
1 HRC
2 HRC
|
3
|
D
|
700±30HB
500±40HB
|
±5 HB
±8 HB
|
5 HB
8 HB
|