18
Operating Instructions MD8 Airport
Operation
8.4.2 Setting Air Flow Rate
The air flow rate determines how many liters of air per minute pass through the
filter or over the culture media plate during an operation . For an operation with a
culture media plate, an appropriate air flow rate must be set (for parameters, see
Chapter “7 .4 Parameter List”, Page 15) .
Procedure
t
Switch to the “Air flow rate” menu by pressing the [Menu display] button .
t
Select the desired value, e .g . 125 l/min, by pressing the [Increase value] or
[Decrease value] buttons .
8.5 Starting an Operation
8.5.1 Starting the Device with a Preset Sampling Volume
Requirements
− The sampling volume has been set .
− The air flow rate has been set .
Procedure
t
Notice
Electrostatic charge can cause the operation to abort . Only operate the
device in battery mode .
t
To start the operation: Press the [Operating status] button .
y
The device switches to operating mode:
y
The operation starts .
y
The operating display shows the current air flow rate and the set sampling
volume .
y
Once the set sampling volume has been reached:
y
The device stops the operation automatically .
y
The operating display shows the air flow rate and the set sampling volume of
the last operation .
8.5.2 Starting the Device with a User-defined Sampling Volume
Requirements
− The sampling volume has been set .
− The air flow rate has been set .
Procedure
t
Notice
Electrostatic charge can cause the operation to abort . Only operate the
device in battery mode .
t
Open the menu .
t
Switch to the “Manual sampling volume” menu by pressing the [Menu display]
button .
t
To start the operation: Press the [Operating status] button .
y
The device switches to operating mode:
y
The operation starts .
y
The operating display shows the current air flow rate and the set sampling
volume .
y
Once the set sampling volume has been reached:
y
The device stops the operation automatically .
y
The operating display shows the current air flow rate and the set sampling
volume of the last operation .
Air flow rate
L/min .=125
Volume 2000L
F-rate 125L/min
Sampling volume
Manual=2000l
Volume 2000L
F-rate 125L/min
