| Brand | Unbranded |
|---|---|
| Measuring Range | 10~60Mpa |
| Dimensions | 54*280mm |
| Rigidity of tension spring | 785N/M |
| Net weight | about1.0Kg |
| The static friction of pointer slider | 0.65N±0.15N |
| Radius of spherical tip | 25mm±1mm |
| Power | Electronic |
| Standard impact energy | 2.207±0.1J (0.225Kgf.m) |
| Working Humidity | ≤90%RH |
| Country of Origin | China |
Check the listing for details. Concrete Test Hammer Rebound Hammer for Measuring Instrument Test Hammer. Condition: New, Made in China. Listed at 148.87 USD. HT-225 is applied to test the compressive strength of building concrete components, bridge and so on. HT-225 submit to standard of GB/T9138-1988 and JJG817-93 and JGJ/T23-2011 and ASTM C 805. Length of spring stretch.