Delta LTL2000S Specifications Page 51

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DELTA LTL2000 Retrometer 45
APPENDIX C
SPECIFICATION
General Characteristics
Illumination angle ............................................................................................................... 1.24º
Observation angle.............................................................................................................. 2.29º
Equivalent observer distance...............................................................................................30 m
Observation angular spread .............................................................................................±0.17º
Type 30m CEN
Illumination angular spread horisontal.............................................................................. 0.33º
Illumination angular spread vertical.................................................................................. 0.17º
Type 30m ASTM
Illumination angular spread horisontal.............................................................................. 0.10º
Illumination angular spread vertical.................................................................................. 0.10º
Field of measurement:
Width..............................................................................................................45 mm (1.8 in)
Length (typ.)..................................................................................................200 mm (7.9 in)
Min. reading (mcd/m
2
/lx)...........................................................................................................0
Max. reading (mcd/m
2
/lx)............................................................................................Typ. 2000
Electrical Characteristics
EMC......................................................................................................................EN 50081-1
EN 50082-1
Power supply:
Battery......................................................................... Build in 12 volt 3.5Ah sealed lead acid
External charger............................................................230 VAC charging time app. 10 hours
90% capacity after app. 5 hours
Charger fuse (5*20 mm) .............................................................................................T3.15A
Power supply fuse (5*20 mm).....................................................................................T3.15A
Data memory............................................................................................ >1000 measurements
Data retention (from purchase).................................................................................Typ. 5 years
Serial communication mode.......................................................................................9600,N,8,1
Data flow control......................................................................................................... Xon/Xoff
Interface..........................................................................................................Modified RS 232
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