HT-225 type concrete rebound testerDetailed product description：

HT-225 Concrete Rebound Tester

Purpose: To test the strength of general building components, bridges, and various concrete components (slabs, beams, columns, trusses), in accordance with the standards GB/T9138-88 and JGJ/T23-2001,

Main technical parameters of HT-225 concrete rebound tester
Nominal kinetic energy: 2.207T (0.225KG f-m),
Impact spring strength: 7.85N,
Bullet stroke: 75mm,
The hardness of the impact surface between the hammer and the rod is HRC59~63,
Maximum static friction force of pointer system: 0.5~0.8N,
The average calibration value of the rebound gauge steel anvil is 80 ± 2.