Testing multichannel pipettes, Ready, Test – BrandTech Scientific PLT unit Pipette Leak Testing Unit User Manual
Page 51: Pass, Fail

E
ng
lis
h
ready
MC – 200 µl
start
Test
preparing...
restart
back
Test
-121.21 hPa
restart
back
4s
(pressure value is only an
example)
PASS
start
MC – 200 µl
Q
L
: 0.04 hPa
*
ml/s
After the test is finished, the
display indicates the leak
rate that was determined and
whether the system passed
the test.
The 'Start/Execute' button
can be used to repeat the
test, or the test can be
continued with the next 4
channels.
Turning the select knob leads
directly to the Main Menu.
FAIL
start
MC – 200 µl
Q
L
: 4.6 hPa
*
ml/s
9.
Ending the test
Testing multichannel pipettes
green
red
The missing volume can be approximately determined
using the correlation table on page 61.
Press the 'Start/Execute'
button. The 'Start' submenu
is called up.
Press the 'Start/Execute'
button.
The test is begun, and
the test pressure is set (in
progress...)
Shortly before the end of the
preparation period, the LED
light shines 1 time red and 1
time green, then the progress
bar appears and the sys-
tem automatically starts the
measurement. At this time,
the pipette button is pressed
down evenly 2-3 times. The
piston must return the initial
position before the measure-
ment is finished! The prog-
ress bar graphic indicates the
remaining time and the cur-
rently achieved vacuum.
The LED indicator blinks or-
ange.
7.
Confirming the
pipette volume
8.
Starting the test
Press the pipette
button 2-3 times
orange
(leak rate is only an example)
(leak rate is only an example)
What to do?
How to do it
Keys to press
Display readout
Note:
51