|
Fig. 1
A
CupLab2
device
with a
green
dye
pre-planted
in the
test
chamber
(next to
the
lower
end of
the test
strips). |
|
Fig. 2
When
urine
specimen
is added
into the
test
cup,
a small
volume
of urine
drips
down
from the
main cup
reservoir
into the
test
chamber.
The
split
sample
dilutes
the dye in
the test
chamber.
|
|
Fig. 3
When the test
chamber
receives
1-2
milliliters
of
urine, a
sufficient
volume
for the
rapid
test,
a
built-in
switching
mechanism
switches
off the
flow of
urine
from the
main cup
reservoir.
The rapid
drug
test
automatically
begins
with
urine
migrating
along
the drug
test
strips.
|
Fig. 4
Even
with the
cup
inverted,
liquids
of the
main cup
reservoir
and the
test
chamber
remain
separated.
Urine of
the main
cup
reservoir
remains
un-contaminated
by
contents
of the
test
chamber. |