Hammer test Ht 225q

Specifications Impact energy: 0.225kgm (2.207J±0.100J), for testing ordinary building and bridge  construction Rigidity of recoiling tension spring: 785±30.0N/m Length of pointer: 20.0±0.2mm  Friction of pointer: 0.65±0.15n  Spherical radius of recoiling rod: R25±1.0  Active length of recoiling tension spring: 61.5±0.3mm Impact length of recoiling rod: 75.0±0.3 mm Initial bouncing position of recoiling hammer: graduated scale #34;0 #34;+1 Calibration value on steel anvil: 80±2 Graduating position #34;100 #34; of shell calibration: overlap with the side of positioning gap of calibrator cover plate of the rebound apparatus.  Consistency of test indicating value: ≦±1 Operating Temperature: -4ºC-+40ºC