78
SGN Scale Test
The SGN scale is an instrument designed for simple screen test of fertilizer samples. A small box
fi
tted
with
fi
ve sieves, it directly produces a size histogram of the test sample. From this, the SGN can be
estimated.
Figure 4
1. Figure 4 - To determine SGN, place scale on
fl
at surface and open lid.
2. Fill end column with selected product to
fi
ll
line.
3.
4. Close lid securely.
Figure 5
5. Figure 5 - Rotate scale vertical and shake
to separate material, usually less than two
minutes.
6. When
material
fi
nishes dispersing, turn scale
to starting position.
A
B
C
D
E
Figure 6
7. Figure 6 - View level of material in each
compartment and determine SGN level based
on markings.
www.NewLeader.com
(800) 363-1771
307369-AA-G
L3030G4 CNH
Header
Spread Pattern
