Nine pc senor Geophone Automatic Trailer mounted FWD Falling Weight Deflectometer

No.

Device or configuration name

Parameter

1

Falling

weight deflectometer

1.1

Mass of Falling

 weight system

450kg

1.2

Lifting hammer mode

Hydraulic lifting hammer

1.3

Power supply mode

Supply of traction

vehicle charging system

1.4

Single point test time

25~30s

1.5

Deflection

sensor type

Magnetoelectric speed sensor

1.6

Deflection range

-2500μm~+2500μm

1.7

Number of deflection sensors

1-9 optional, standard configuration 9

1.8

Deflection test accuracy

Better than 2%

1.9

Deflection resolution

0.1μm

1.10

Load cell type

Strain type force transducer

1.11

Maximum load

150kN(can be extended to250kN)

1.12

Load range

12~150kN

1.13

Load pulse shape

Half sine wave

1.14

Load test accuracy

Better than 2%

1.15

Load resolution

0.1kN,1kPa

1.16

Temperature

sensor type

Platinum resistance / infrared

1.17

Temperature range

-50~100℃

1.18

Temperature measurement accuracy

0.5%

1.19

Temperature resolution

0.1℃

1.20

DMI test accuracy

0.1%

1.21

DMI resolution

0.1m

1.22

Loading disk form

300 mm diameter 4-fraction sector plate

1.23

GPS positioning accuracy

Within ± 2m horizontally

1.24

Front end display

The pile number and sound prompt are provided for the driver's reference

1.25

Self balancing system

Ensure the balance of rising and falling of drop weight system

2

Portable computer

3

Random software

3.1

Operating environment

Windows

3.2

Data

acquisition software

3.3

Data analysis and processing