MITUTOYO – Rebound Type Hardness Tester
Brand: Mitutoyo
Model: HARDMATIC HH-411
Specification:
| Order No. | 810-298(ASTM) 810-299(JIS) | |
| Model | HH-411 | |
| Detector |
Carbide ball is used at the tip of the impact hammer (D type: ASTM A956 specification) |
|
| Display | 7 segments, LCD display | |
| Hardness display range | Leeb hardness: 1 to 999HL | |
| Measuring accuracy |
800±12HL For measurements performed using a testing method described in the user’s manual with a Mitutoyo-recommended test block firmly mounted on a qranite surface base |
|
| Display range (The display range varies depending on the conversion table used.) |
Vickers hardness Brinell hardness Rockwell hardness (C scale) Rockwell hardness (B scale) Shore hardness Tensile strength |
: 43 to 950HV : 20 to 894 HB : 19.3 to 68.2 HRC : 13.5 to 101.7HRB : 13.2 to 99.3HS : 499 to 1996 MPa |
| Function |
Automatic angle correction Offset Pass or failure decision function Data save: 1800 Points Conversion (details in display range) Statistical calculation function (mean, maximum, minimum, variation, standard deviation) Auto-sleep Dotting count display |
|
| Specimen requirements |
Min. thickness: 5mm; mass: 5kg or more (However, specimens with a mass between 0.1 and 5kg can be tested if fixed to a strong support). Test points: At least 5mm from specimen edges and at intervals of at least 3mm. Surface roughness: up to Ra 2μm |
|
| External connection interface | For printer: Serial interface (compatible with the RS-232C standard), Digimatic interface ( 1 each; simultaneous output is available) | |
| Power supply | Two AA alkaline batteries (battery life: Approx. 70 hours in continuous use). AC adapter (special accessory) | |
| Operating environment | Temperature: 0 to 50°C Humidity: 95% (No condensation) | |
| External dimensions | Display: Approx. 70(W) x 110 (D) | |
| Mass | Detector: Approx. Φ 28 x 175mm 120g | |
| Order No | Item | Description | Quantity |
| 810-292 | Display UD-410 | - | 1 |
| - | AA alkaline battery | - | 2 |
| - | User’s manual | - | 1 |
| - | Strap | - | 1 |
| 810-287 | Detector UD-411 |
D type Approx. Φ28 x 175 mm Approx. 120g (tip diameter Φ 22mm) |
1 |
| - | Impact hammer | - | 1 |
| 19BAA457 | Carbide ball | Installed in the impact hammer | 1 |
| 19BAA459 | Wrench | For replacement of carbide ball | 1 |
| 19BAA451 | Support ring | Φ 22mm | 1 |
| 19BAA452 | Support ring (Small) | Φ 14mm | 1 |
| 19BAA258 | Cleaning brush | - | 1 |
| - | Storage case for testing machine | For display and detector | 1 |
| 19BAA265 | Hardness standard block | 800 HLD-equivalent (Φ90mm, t55mm, 2.7kg) | 1 |
| - | Storage case for testing machine | - | 1 |
