Graigar ZD91 Concrete Rebound Hammer Portable Mechanical Hammer ZD-91 Digital Integrated Digital Rebound

Brand: Graigar

Color: Red&silver

Features:

• ZD91 Concrete Rebound Hammer: Non-destructive testing of ordinary concrete compressive strength rebound method for structural engineering.
• Nominal kinetic energy: 2.207J ± 0.100J.
• Strike tension spring stiffness: 785 ± 40.0n / m.
• Pointer length: 20.0 ± 0.2mm.
• Pointer friction: 0.65 ± 0.15n.

Part Number: ZD91

Details: Application range:
    Non-destructive testing of ordinary concrete compressive strength rebound method for structural engineering.
Main Specifications:
   1. Nominal kinetic energy: 2.207J ± 0.100J
   2. Strike tension spring stiffness: 785 ± 40.0n / m
   3. Pointer length: 20.0 ± 0.2mm
   4. Pointer friction: 0.65 ± 0.15n
   5. The radius of the elastic rod: R25 ± 1.0
   6. Strike tension spring working length: 61.5±0.3mm
   7. Impact stroke length: 75.0±0.3 mm 
   8. Hammer jump position: scale "0" +1
   9. Rate setting on steel anvil: 80±2
  10. Indication consistency: ≦±1
   11.LCD display: 160×128
   12. Working temperature: -10 ° C ~ +42 ° C
   13. Power: Rechargeable battery, 3.7V lithium-ion battery

EAN: 0761272049646