Product Name: Automatic Pavement Falling Weight Deflectometer Model NO.: FWD-NJ-M Trademark: TBT Transport Package: Standard Export Packing Specification: ISO9000 Origin: Nanjing, China HS Code: 9031809090 Product Description Automatic Falling Weight Deflectometer (FWD)Trailer type & Single point / multi pointTechnical specification:Hammer weight: 450KGMoving speed: 0~120km/hourTesting speed per point: 25~30sDeflection type: magnetoelectic speed sensorDeflection sensor q'ty: 1~9pcs selectable(standard config is 9pcs)Deflection range: ±2500umDeflection accuracy: 2%Deflection repeatability: 1%Loading force: 12~150KN (can extend to 250KN)Loading pulse shape; essentially half-sineLoading repeatability: 2%Loading resolution; 0.1KN , 1KpaTemp. Measuring range: -50C ~ 100CTemp. Resolution: 0.1CTemp. Accuracy; 0.5%DMI sensor type: pulse coderDMI sensor q'ty: 1pcGPS locating: horizontal within ±2meter