Setting Average Particle Velocity - Palas Fidas 200 Series Operating Manual

5200-en_V2.0_06/20
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.
6 Verifying and calibrating measuring system
83