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DELTA LTL2000S(Q) Retroreflectometer 40

APPENDIX C

SPECIFICATION

General Characteristics R

Illumination angle to the road ......................................................................................... 1.24º

Observation angle to the road.......................................................................................... 2.29º

Equivalent observer distance............................................................................................30 m

Observation angular spread .......................................................................................... ±0.17º

Type 30m CEN

Illumination angular spread horizontal........................................................................ 0.33º

Illumination angular spread vertical ............................................................................ 0.17º

Field of measurement:

Width ........................................................................................................................ 45 mm

Length (typ.) ........................................................................................................... 200 mm

Min. reading (mcd·m

-2

·lx

-1

) ....................................................................................................0

Max. reading (mcd·m

-2

·lx

-1

) .................................................................................... Typ. 2000

Profile height up to .................................................................... 4 mm (or 20 cm profile gap)

General Characteristics Qd

Illumination .................................................................................................................Diffuse

Observation angle to the road.......................................................................................... 2.29º

Equivalent observer distance............................................................................................30 m

Aperture angle ................................................................................................................. 0.33º

Field of measurement:

Width ........................................................................................................................ 45 mm

Length (typ.) ........................................................................................................... 200 mm

Min. reading (mcd·m

-2

·lx

-1

) ....................................................................................................0

Max. reading (mcd·m

-2

·lx

-1

) .............................................................................................. 318

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Delta LTL2000S Specifiche Pagina 44

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