International pbi S.p.A
Instruction Manual
29/08/05 Rev. 1
6
5. INSTALLATION
Anemometer installation
1. Screw the impeller anemometer (a) on top of the aluminium vertical wind tunnel.
Flow sensor installation
2. Fix the flow sensor with LCD display (b) on side of the aluminium vertical wind tunnel.
Vertical wind tunnel installation
3. The battery pack of the “SAS” air sampler instrument to be checked must be charged for at least 14 hours before the
test (3.5 hours if fast battery charger is used).
4. The “SAS” air sampler should be positioned in vertical position in a quiet place on a strong surface. Avoid current of
air around the instrument.
5. Program 1000 litres of air on the “SAS” air sampler and switch it on.
6. Position the “Pyramid” system (c) on top of the SAS air sampler.
7. Switch on the “Pyramid” system by briefly pressing the switch button of the flow sensor. The software version will
appear on the LCD display first, after which the instrument moves into the mode for measuring the current air flow
(litres per minute or cubic feet per minute). The measuring time is approximately 30 seconds to obtain a stable data
reading.
Unit of measurement choice
8. The LCD display switches to the converse version (L/minute or cubic meter per minute) by repeated pressing of the
push button.
Switch off of the unit
9. Hold the push button pressed down until the unit switches off.