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Spesifikasi Leeb Hardness Tester AMT67D AMT67DL:
1. Materials and range
Material | Hardness | Impact Device | |
D | DL | ||
Steel and cast steel | HRC | 17.9~68.5 | 20.6~68.2 |
HRB | 59.6~99.6 | 37.0~99.9 | |
HRA | 59.1~85.8 |
| |
HB | 127~651 | 81~646 | |
HV | 83~976 | 80~950 | |
HS | 32.2~99.5 | 30.6~96.8 | |
Steel | HB | 143~650 |
|
CWT, ST | HRC | 20.4~67.1 |
|
HV | 80~898 |
| |
Stainless steel | HRB | 46.5~101.7 |
|
HB | 85~655 |
| |
HV | 85~802 |
| |
GC. IRON | HRC |
|
|
HB | 93~334 |
| |
HV |
|
| |
NC, IRON | HRC |
|
|
HB | 131~387 |
| |
HV |
|
| |
C.ALUM | HB | 19~164 |
|
HRB | 23.8~84.6 |
| |
BRASS | HB | 40~173 |
|
HRB | 13.5~95.3 |
| |
BRONZE | HB | 60~290 |
|
COPPER | HB | 45~315 |
|
2. Testing direction : High accurate in any impact direction.
3. Range : HLD : 170~960; HRC : 17.9~69.5; HB : 19~683; HV : 80~1042; HS : 30.6~102.6; HRA : 59.1~88; HRB : 13.5~101.7
4. Hardness standards : HL, HV, HRA, HRC, HRB, HB, HS
5. Accuracy : HLD +-0.5% (800 HLD)
6. Display : 128 x 64 OLED
7. Size : 148 x 40 x 30mm
9. Power : Rechargeable Lithium Battery with about 10 hours working time.
Impact Device :
1. The impact energy : 11mJ
2. Impact of body mass : 5.5g (AMT67D); 7.2g (AMT67DL)
3. Ball hardness : 1600HV
4. Ball diameter : 3mm
5. Material of the ball : tungsten carbide
6. Impact device diameter : 20mm
7. Impact device length : AMT67D : 147mm; AMT67DL : 205mm
8. Weight of the device : 50g
9. The maximum hardness : 940HV
10. Surface average roughness Ra : 1.6μm
11. The minimum weight of specimen :
1) Direct measurement : >5kg
2) Stable support : 2~5kg
3) To compact coupling : 0.05~2kg
12. The minimum thickness of specimen :
1) Dense coupling : 5mm
2) The minimum depth of hardened layer : ≥0.8mm
13. Indentation size :
1) The hardness of 300HV : The indentation diameter : 0.54mm; Depth : 24μm
2) The hardness of 600HV : The indentation diameter : 0.54mm; Depth : 17μm
3) The hardness of 800HV : The indentation diameter : 0.35mm; Depth : 10μm
14. Impact device applicable scope : DL measures on elongated slot or hole; D measures conventional surveying.
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