The Roll Hardness Tester is a measuring tool for testing the strength of concrete. The Roll Hardness Tester measures strength according to the Schmidt principle. According to this measurement method, the quality of concrete can be measured with the Roll Hardness Tester. Thus, the Roll Hardness Tester finds its essential application in construction and in the construction sector. The Roll Hardness Tester is also suitable for measuring the hardness of rolled paper. The built-in mechanism on the Roll Hardness Tester always ensures the same impact energy of 2.207 Nm.
The hardness tester displays measurements Rebound Value and can display force in PSI, MPa, kgF/cm², or N/mm². The Roll Hardness Tester can be set up to measure at test angles of downward(-90°), downward(-45°), horizontal (0°), upward(45°), or upward(90°).
| Hardness | |
| Measuring range | 10 ... 100 N/mm² |
| Resolution | 0,1 R |
| Accuracy | ±0.1 R |
| General technical data | |
| Units | MPa, N/mm², kgf/mm², psi |
| Display type | OLED |
| Display resolution | 256 x 64 pixels |
| Storage medium | Internal memory |
| Storage capacity | 1000 Data records |
| Memory capacity (additional information) | with 256 measurements each |
| Interface | Bluetooth, Micro-USB |
| Nominal kinetic energy | 2,207 Nm |
| Menu language | English, English (GB) |
| Protection class (device) | IP42 |
| Power supply | 5V DC, 1A |
| Connector type | Device-europlug |
| (Rechargeable) battery | 1 x 3,7 V internal , Lithium-ion polymer battery |
| Capacity | 1100 mAh |
| Operating conditions | -4 ... 40 °C , 0 ... 80 % RH |
| Storage conditions | -4 ... 40 °C , 0 ... 80 % RH |
| Dimensions ( L x W x H ) | 280 x 75 x 60 mm |
| Weight | 1800 g |
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