43
Handling the Lancehead-Shaped Probe
SONO WZ
Translation of the Original Instructions for Use
Influence of the
water content
of the gravel during
sampling
Formulation A with
relatively high fine
particle content and
low 16/32 mm
gravel content
Formulation B with
gap grading, i.e.
few 4/8 mm pieces
of gravel and high
16/32 mm gravel
content
± 2 large pieces of
gravel cause an er-
ror of ± 9 l/m³
Concrete sample of
1.5 kg
approx. 5 pieces of
16/32 mm gravel
approx. 15 pieces of
16/32 mm gravel
± 2 large pieces of
gravel cause an er-
ror of ± 3 l/m³
Concrete sample of
5.0 kg
approx. 16 pieces of
16/32 mm gravel
approx. 100 pieces of
16/32 mm gravel
