Railway / Road Testing Equipment, Evd Light drop Weight Deflectometer, Pavement dynamic deformation modulus tester
Application fields
Pavement, railway, earthwork project
Kennel soil mass quality inspection
Construction bedding quality inspection
Pile hole, trial boring quality inspection
Construction foundation frame deformation modulus inspection
Main functions
Fast measure of roadbed reaction coefficient K value
Fast measure of roadbed elastic modulus E value
Display loading, acceleration, speed, displacement wave
Display 0-p time value and integration
Technical specifications
Loading device
Drop hammer weight: 6.0kg (10/20kg optional)
Drop height: 50-550mm
Max impact loading: 20KN
Impulse loading shape: half sinusoid
Impulse loading duration time: 15-30ms
Material: zinc-plated steel/ alloy steel
Bearing plate
Diameter: 100mm (200/300 optional)
Thickness: 15mm
Material: zinc-plate alloy steel
Electric settlement meter
Loading testing range: 3kN
Loading testing accuracy: <2%
Displacement testing range: 5mm
Displacement testing accuracy: < 2%
Point testing time: 1min
Displacement sensor amount: 1pc (extensible)
Impulse loading shape: half sinusoid
Impulse loading duration time: 15-30ms
Storage amount: 2000 groups testing curve
Power supply: lithium battery
Working ambient: -20 ~ +60
Humidity: <85%RH
Height: approx.1100mm
Weight: approx.15kg (including 6kg drop hammer)
