HT225-W Digital Concrete Test Hammer Conconcrete Schmidt Rebound Hammer

Digital Concrete Test Hammer Conconcrete Schmidt Rebound hammer

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 test 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 testing areas per component), 20 special measuring curves

9) Power: 4 pcs of AA alkaline battery (or lithium battery)

10) Power consumption: more than 10 hours for lithium battery, and 4000 test for AA battery (with maximum back lighting level and no voice function)

11) Communication port with PC: USB2.0

12) N.W: ≈1.1 Kg

13) G.W: ≈4 Kg

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