Technical specifications

1) Data processing standard: Submit to < Technical Specification of Inspecting Concrete Compressive Strength by Rebound Method > (JGJ/T23-2001).

2) Standard impact energy: 2.207J

3) Tension spring stiffness: 785 N/m

4) Stroke of impact hammer: 75 mm

5) Test value when calibrated on steel anvil (qualified anvil like type JW225): 80 ± 2

6 Bounds on error: ≤± 0.5 (the differences between displayer and rider)

7) Display screen: 16bit True colors, 176 x 220 resolution, 5 levels of backlighting adjustable.

8) Data storage capacity: 200 standard components (99 test areas per component), can be planted in 20 special measuring curves

9) Power: 3.6 V / 1300mAH lithium batteries, matching charging adapter 5V / 2A.

10) Power consumption: about 100mA (with maximum back lighting level and no voice function)

11) Communication port with PC: USB2.0

12). Net Weight: ≈1.1 Kg