銘柄
Urban road and traffic
Name
Concrete ultrasonic resiliometer
Host Parameters
Waterproof :IP65 Screen size:5 inch Volume:195X140X45mm Weight:0.85kg
error of ultrasonic indication
±0.1μs
Ultrasonic frequency range
5Hz~500KHz
nominal kinetic energy
2.207J
Shell strike spring stiffness
785.0±40.0(N/m)
impact of the pull spring
75.0±0.3 mm
difference pointer
≤±0.5.