Troxler RoadReader 3430 - Page 134

Model 3440 B–3
U.S. Customary Units
Density at 125 PCF
Direct Transmission (6 inches)
.25 min
1 min
4 min
Precision (pcf)
r0.42
r0.21
r0.11
Composition error (pcf)
r1.25
r1.25
r1.25
Surface error (pcf)
(100% Void)
–1.06
–1.06
–1.06
Backscatter (98%, 4 inches)
.25 min
1 min
4 min
Precision (pcf)
r1.00
r0.50
r0.25
Composition error (pcf)
r2.50
r2.50
r2.50
Surface error (pcf)
(100% Void)
–4.68
–4.68
–4.68
Moisture at 15 PCF
.25 min
1 min
4 min
Precision (pcf)
r0.64
r0.32
r0.16
Surface error (pcf)
(0.05 in., 100% void, pcf)
–1.12
–1.12
–1.12