JW-JD Assessor for Test Hammer
Assessor for test hammer and assessor for tension spring are special test instrument according to national measurement test regulation (concrete test hammer) JJG817-93, main applied by concrete test hammer identifier organizations and manufacturers, it is the only instrument for assessing test hammer.
Parameters:
Rigidity of test anvil | HRC60±2 |
Length of pointer | 27.5±0.1 |
Strength weight | 2kg±1 |
Composition of the assessor | base, steel anvil, test hammer fixer, rebound handle, assess frame for tension spring, positioner plate, horizon slider, strength weight, a set of assessor tool for tension spring;
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Other feature | Specialized caliper; King size pointer(backup); Socket head wrench; Dust filter cover;
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