NJ225-S digital voice test hammer

Brief introduction:
NJ225-S test hammer submit to standard of GB/T9138-1988 and JJG817-93 and JGJ/T23-2001.
Automatically calculate data and on site print test report.
Trait:
1）Big display screen, resolution 160*160 (similar product in market is 160*128)
2）Low power consumption, 2pcs AA battery. (Similar product in market needs 6pcs)
3）Voice report test value, improve efficiency. (Similar product in market no voice)
4）USB interface, convenient in connecting with PC. (Other brand adopts RS232 interface)
5）Easy to operate, the software can set rebound value from upper limit to lower limit, and the abnormal date will be deleted automatically.
6）Important component made from imported materials, after our excellent processing, the instrument get better accuracy and long use life.
Parameters:
Test range: 10~60Mpa
Standard impact energy: 2.207J
Stiffness of tension spring: 785N/M
Stroke of rebound hammer: 75cm
Error range of displayer: ≤±1 (the difference between displayer and scale)
Average rebound value on steel anvil: 80±2
Power source: 2pcs 1.5VVAAA battery
Power consumption: when testing≤50mA, free status, ≤20mA
Storage: 100*50*16=80000 test points.