Troxler 4640-B, Operation And Instruction Manual

Page: 86 / 140

MEASUREMENT SPECIFICATIONS
GAUGE PRECISION AT 140 PCF (2240 KG/M
3
)
Time (min) Thickness PCF kg/m
3
0.5 1.0"
(2.5cm)
±
1.4
±
22
2.0" (5.0cm)
±
0.85
±
14
2.5" (6.3cm)
±
0.69
±
11
4.0" (10.0cm)
±
0.69
±
11
1.0 1.0"
(2.5cm)
±
1.0
±
16
2.0" (5.0cm)
±
0.60
±
10
2.5" (6.3cm)
±
0.50
±
8
4.0" (10.0cm)
±
0.5
±
8
2.0 1.0"
(2.5cm)
±
0.71
±
11
2.0" (5.0cm)
±
0.42
±
7
2.5" (6.3cm)
±
0.37
±
6
4.0" (10.0cm)
±
0.37
±
6
4.0 1.0"
(2.5cm)
±
0.50
±
8
2.0" (5.0cm)
±
0.30
±
5
2.5" (6.3cm)
±
0.25
±
4
4.0" (10.0cm)
±
0.25
±
4
Precision is defined as
±
one standard deviation in density readings.
This number is calculated by the ratio of the standard deviation in
the counting rate and the slope of the calibration curve at a given
density.
Appendix B–2