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Serve Real Instruments Co.,Ltd

Tel: +86-021-61480182

Fax: +86-021-61480184

Phone: +86-18621861107

Email: info@servereal-instruments.com

Contact person: Patrick. Chuang

ADD: 1th Floor, Building 2, Lane 180 Zhangheng Rd.,Pudong District, Shanghai, P.R.China.

Light Falling Weight Deflectometer

Light Falling Weight Deflectometer

The falling weight deflectometer is used to measure the vertical deflection of the load plate response of a surface to an impulse load.

Products Specifications:

Light Falling Weight Deflectometer

Model: FWD-L100


The falling weight deflectometer is used to measure the vertical deflection of the load plate response of a surface to an impulse load. the deflections is either correlated to pavement surface or used to determine characteristics of the materials used for the pavement foundation. It can quickly & precisely obtain the dynamic deformation modulus (Evd value) of soil and other construction materials. 

The falling weight deflectometer provides an easy and cost effective solution to determine the soil bearing capacity and compaction quality, it can quickly obtain the Evd value, it's a common pavement test equipment.

The deflectometer is comprised of a loading mechanism, a loading plate, a electronic settlement measuring device.



Features

More actual of the roadbed soil condition compare with the Ev2 test

Imported sensors and parts guarantee high measuring accuracy

LCD display with backlight for high visibility

Easy operation, rapid test, one point only need 35s

Automatic calculate Evd value and display curve

Portable machine equipped with Bluetooth micro printer

USB data interface easy for connection with computer

Safe & environment friendly


Technical Specifications

Application

Soil type

The soil and soil aggregate mixture with size not larger than 1/4 of    the plate dia.

Pressure range

10MPa-225MPa

Effective depth

Normal condition 500mm

Measure device

Loading device

Drop hammer weight

10kg

Max impact loading

7.07kn

Impulse loading shape

Half sinusoid

Impact duration time

18±1ms

Material

Zinc-plated steel/ alloy steel

Bearing plate

Diameter

300mm

Thickness

20mm

Material

Zinc-plate alloy steel

Electric sedimentation    meter

Sink testing range

0.1-2.0mm±0.02mm

Storage amount

2000 groups testing curve

Power supply

Lithium battery, 18hrs continuous work time

Working ambient

Working ambient

-10 ~ +40℃

Humidity

<85%RH

Main machine case

Material

Engineering plastic

Net weight

4.5kg

Overall dimension

385×300×175mm

External packing case

Material

Aluminum alloy

Weight

approx. 15kg (including 6kg drop hammer)

Overall dimension

1220×395×380mm

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