BERTHOLD TECHNOLOGIES LB 444 - Page 76

04/03 347 LB 444
66
Conversion is carried out according to the formula:
Concentration in g/l:
ρ
ρ
ρ =− +(
*
)*1
1000 1000
S
s
S
L
ρ = Density of suspension in g/cm
3
S = Solids content in g/l
ρ
S
= Solid density in g/cm
3
C' = Concentration in G%/100
ρ
L
= Liquid density in g/cm
3
Concentration in %:
ρ
ρ
ρ
ρ
=
+−
L
C
C
L
S
,
,
*
1
ρ
ρρ
ρρ ρ
=
∗
−+
L
L
s
C(
s
)
s
)
Concentration in
o
Be
For ρ > 1: For ρ < 1:
n−
=
3.144
3,144
ρ
n+
=
3.144
3,144
ρ n = °Be
Strictly speaking, the formulas for g/l and concentration in % apply only to suspensions.
For solutions or liquid mixtures, large deviations may occur when the measurement in-
volves larger ranges.
The diagram on the next page shows how the density measuring system converts units
of measure: