Description
Descriptions
The Equotip 3 is a versatile portable metal hardness tester offering extended capabilities and unmatched ease of operation.
This metal hardness tester has a large and clear display which is integrated in the robust ABS plastic housing together with the sealed membrane keypad. With variable background lighting, the LCD display of the metal hardness tester offers a clear overview of the recorded metal hardness values even in dimly lit work areas.
In particularly harsh working environments or for more comfortable handling of the metal hardness tester, the Equotip 3 can be stored in a protective bag.
To date, the Equotip 3 is unmatched in its implementation of the portable metal hardness tester concept and has therefore become established as a globally recognized measuring technique. The Equotip 3 meets the customers needs for a non destructive metal hardness tester.
Equotip uses a proven, dynamic testing principle. An impact body with a hard metal test tip is propelled by spring force against the surface of the test piece. Surface deformation takes place when the impact body hits the test surface, which will result in loss of kinetic energy. This energy loss is detected by a comparison of velocities vi and vr when the impact body is at a precise distance from the surface for both the impact and rebound phase of the test, respectively.
Velocity measurements are achieved through a permanent magnet in the impact body that generates an induction voltage in the coil of the impact device. The signal voltage is proportional to the velocity of the impact body. Signal processing provides the hardness reading for display and storage.
The following standards are applied to this product: ASTM A956 (2006), ASME CRTD-91 (2009), DIN 50156 (2007), DGZfP Guideline MC 1 (2008), GB/T 17394 (1998).
Features:
Large easy to read display with backlight
Automatic correction for impact direction
Converts to all common hardness scales (HV HB HRC HRB HS Rm)
Fast testing for a wide range of applications
Large memory with on-screen review of data
Download to PC or print directly via USB Ethernet or RS-232
User profiles for fast change of all settings
Rugged sealed membrane keypad
Technical Specifications
| Testing method | Leeb rebound |
| Available probes | C D DC DL E G S (select state which you require on enquiry) |
| Spherical test tip | Tungsten carbide 3 mm diameter (for C D DC DL probes) 5 mm diameter (for G probe.) Polycrystalline diamond, ceramics 3 mm diameter |
| Min. radius of surface curvature | 10 mm |
| Resolution | 1 HL; 1 HV; 1 HB; 0.1 HRC; 0.1 HRB; 0.1 HRA; 0.1 HS; 1 MPa (1 N/mm²) |
| Accuracy | ± 4 HL (0.5% at 800 HL) |
| Material | Shock resistant ABS plastic |
| Display | Large QVGA LCD with adjustable contrast and backlight |
| Internal data storage | ~ 100’000 values |
| Communication | Ethernet USB & RS 232 |
| PC application | Equolink 3 software included |
| Battery type | Rechargeable Li ion or 3 standard size cells |
| Operating temperature | 0 to + 50 °C (32 to 122 °F) |
| Storage temperature | -10 to + 60 °C (14 to 140 °F) |
| Humidity | 90 % max |
| Dimensions | US: 6.7 x 7.9 x 1.8 in. Metric: 170 x 200 x 45 mm |
| Weight | US: 1.72 lb. Metric: 0.780 kg |
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