Dl Type Impact Device With Cable Dl Probe With Cable Of Hardness Tester For Testing Slender Narrow Groove Or Hole
DL type Impact Device with cable ,DL probe with cable of Hardness Tester for Testing slender narrow groove or hole
Notice:
the cable connector for the tester side have 3 pin and 4 pin.
3 pin is for European type like Proceq 2.
4 pin is for most Chinese tester,
when you make order ,please must mark you want 3 pin or 4 pin.
If you don't mark, we will ship 4 pin to you.
Needle front section diameter 4.2 mm, lenght 50 mm.
Application: Measurements in extremely confined spaces
APPLY: The DL type is used for the measurement of parts such as the bottom of the deep groove or the profile (such as the tooth surface), and the G type is used to detect hard and large test pieces such as forgings and castings.
| Material | Method | Impact device | |||||
| D/DC | D+15 | C | G | E | DL | ||
|
Steel and cast steel
|
HRC | 20～68.5 | 19.3～67.9 | 20.0～69.5 | 22.4～70.7 | 20.6～68.2 | |
| HRB | 38.4～99.6 | 47.7～99.9 | 37.0～99.9 | ||||
| HRA | 59.1～85.8 | 61.7～88.0 | |||||
| HB | 127～651 | 80～638 | 80～683 | 90～646 | 83～663 | 81～646 | |
| HV | 83～976 | 80～937 | 80～996 | 84～1042 | 80～950 | ||
| HS | 32.2～99.5 | 33.3～99.3 | 31.8～102.1 | 35.8～102.6 | 30.6～96.8 | ||
|
Cold work tool steel |
HRC | 20.4～67.1 | 19.8～68.2 | 20.7～68.2 | 22.6～70.2 | ||
| HV | 80～898 | 80～935 | 100～941 | 82～1009 | |||
|
Stainless steel
|
HRB | 46.5～101.7 | |||||
| HB | 85～655 | ||||||
| HV | 85～802 | ||||||
|
Grey cast iron
|
HRC | ||||||
| HB | 93～334 | 92～326 | |||||
| HV | |||||||
| Nodular cast iron | HRC | ||||||
| HB | 131～387 | 127～364 | |||||
| HV | |||||||
| Cast aluminium alloys | HB | 19～164 | 23～210 | 32～168 | |||
| HRB | 23.8～84.6 | 22.7～85.0 | 23.8～85.5 | ||||
|
BRASS(copper-zinc alloys)
|
HB | 40～173 | |||||
| HRB | 13.5～95.3 | ||||||
| BRONZE(copper-aluminium/tin alloys) | HB | 60～290 | |||||
| Wrought copper alloys | HB | 45～315 | |||||
| Available type of impact device |
DC: Test hole or hollow cylindrical
|
D+15: Test groove or reentrant surface
|
C:Test small, light, thin parts and surface of hardened layer |
G: Test large, thick, heavy and rough surface steel |
E: Test super high hardness material | DL: Test slender narrow groove or hole | |
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