6
Verifying and calibrating measuring system
5200-en_V2.0_06/20
83
6.7
Setting average particle velocity
The average particle size has to be set only once (when the device is com-
missioned in a new location for the first time).
Prerequisites
• Calibration mode is activated.
• The device has been tested for leakage and verified.
• The device’s zero point has been checked.
• The aerosol sensor offset has been set.
• The flow rate has been calibrated.
Performance
1.
Select
Main menu > expert user menu
(password
1-
).
2.
Select
settings/calibration.
3.
Write down the value
velocity (average)
.
4.
Navigate back to the
expert user menu
.
5.
Select
System/exit to OS
to close the firmware and go to the op-
erating system.
6.
Open the file
promo.ini
.
The file can be found on the desktop under
startup > Fidas
.
7.
Overwrite the value
velocity_calibrated
with the noted value
velocity (average)
.
8.
Save the file
promo.ini
and close.
9.
Start the firmware
Fidas
by double-clicking on
startupmanager.exe
in the
startup
folder.
