TMTeck Instrument Co., Ltd
TMTeck Instrument Co., Ltd
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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 | |
