BRAND PLT Instrucciones De Manejo página 61

What to do How to do it
7. Confirm the Press the "Start/Execute" but-
pipette volume ton. The start submenu is
called up.
8. Start the test Press the "Start/Execute" but-
ton.
The test is begun, and the test
pressure is set (preparing...).
Press the pipette Shortly before preparation is
plunger button 2–3 finished, the LED light lights
times up once in red and once in
green. Then the progress bar
appears and the system auto-
matically starts the measure-
ment.
Press the plunger button
down evenly 2–3 times during
the measurement. The piston
must return to the initial posi-
tion before the measurement
is finished! The progress bar
indicates the remaining time
and the currently achieved
vacuum.
The LED indicator blinks or-
ange.
9. End the test After the test is finished, the
display indicates the leak rate
that was determined and
whether the system passed
the test.
To repeat the test, press the
"Start/Execute" button.
To go back to the Main Menu,
turn the select knob.
You can use the correlation table to estimate the missing volume.
PLT unit 997960
Button to use
LED
green
LED
red
NOTICE
5 Performing the test
Display
ready
MC- 200µl
select back
Test
preparing...
select back
Test
-121.21 hPa
select
back
(pressure value shown
as an example)
LED
orange
PASS
MC – 200 µl
Q : 0.04 hPa*ml/s
L
start
(leak rate shown as an
example)
FAIL
MC – 200 µl
Q : 4.6 hPa*ml/s
L
start
(leak rate shown as an
example)
Operating manual
61