AIR FLOW RATE
CALCULATOR
Technical Notice
FI 72.0190.1021E
Page 4 of 12
MEASUREMENTS MENU:
(1) Display of the measured differential pressure (=dynamic pressure) :
- the measurement is averaged over the two last seconds
(2)
temperature display (if analogue input present) :
- if the value received on the analogue input is lower than 3mA :
-
The display indicates « --- »
-
The temperature alarm is activated
-
The temperature value for the calculations is replaced by that entered manually (see
parameters menu)
(3)
display of the absolute pressure measured by the sensor
(4)
calculated speed display
(5)
(6) (7) and (8) display of the calculated air flow rate:
- the display format is automatically adjusted according to the value to be displayed:
X.XXX , XX.XX , XXX.X , XXXX , XXXXX or XXXXXX
- movement from one step to
the next is made with the
« valid » button
- from any step of this menu,
the « right » button gives
access to the « parameter »
menu
