Troxler RoadReader Plus 3450 - Appendix B. 3450 Specifications; Measurement Specifications

Appendix B–2
MEASUREMENT SPECIFICATIONS
SOIL AND ASPHALT MODES
SI Units
Density at 2000 kg/m
3
Direct Transmission (150 mm)
15 sec
1 min
4 min
Precision (kg/m
3
)
5.2
2.6
1.3
Composition error (kg/m
3
)
8.0
8.0
8.0
Surface error (1.25 mm, 100% Void)
(kg/m
3
)
–18.0 –18.0
–18.0
Backscatter
15 sec
1 min
4 min
Precision (kg/m
3
)
16.0
8.0
4.0
Composition error (kg/m
3
)
14.0
14.0
14.0
Surface error (1.25 mm, 100% Void)
(kg/m
3
)
–80.0 –80.0
–80.0
Moisture at 240 kg/m
3
15 sec
1 min
4 min
Precision (kg/m
3
)
11.0
5.5
2.8
Surface error (1.25 mm, 100% Void)
(kg/m
3
)
–19.0 –19.0 –19.0