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Schmidt Rebound Hammer

Sclerometer Concrete

Sclerometer Concrete

ZC3-A concrete resiliometer is a mechanical type rebound hammer with Type N testing method, easily test concrete compressive strength value. Work in many civil enginnering projects
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ZC3-A resiliometer, in accordance with   JGJ/T23-2001 technical regulations, is used for detecting the concrete   compressive strength within the range of 10-60Mpa and has the system standard   energy of 2.207J. The medium-sized resiliometer with pointer direct-reading   type indication system is manufactured under the supervision of Shaanxi   Architectural Research Design Institute, the chief formulation unit of   National Regulations on Measurement and Verification of Concrete   Resiliometers (JJG817-93) and the Technical Regulations on Rebound-method   Detection of Concrete Compressive Strength, the industry standard.


Light (save 2/3 of labor compared with   similar products), flexible, cheap, without power supply, easy to master,   buttons difficult to fall off due to pulling process, pointer convenient for   adjusting friction force, the first choice of instrument suitable for on-site   nondestructive testing.

Main Technical Parameters

Length of pointer: 20.0±0.2(mm)
  Friction force of pointer: 0.65±0.15(N)
  Spherical radius of bounce rod end: 25±1.0(mm)
  Stiffness of bounce tension spring: 785.0±40.0(N/m)
  Decoupling position of bounce hammer: “100” on scale line
  Working length of bounce tension spring: 61.5.0±0.3(mm)
  Impact length of bounce hammer: 75±0.3
  Takeoff position of bounce hammer: “0” on graduated scale
  Fixed value of steel anvil: 80±2 (80-81 for our delivery products)


1 resiliometer, millstone, bounce tension   spring, buffer spring, screwdriver, instruction book, etc.

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