AIR FLOW RATE
CALCULATOR
Technical Notice
FI 72.0190.1021E
Page 6 of 12
(1) section display:
- if « right » button:
- choice of the section type « circular » or « rectangular »
- press « valid » button
- if « circular » type:
- input the diameter from 0.050 to 3.000 metres
- press « valid » button
- if « rectangular » type:
- input the dimension 1 from 0.050 to 3.000 metres
- press « valid » button
- input the dimension 2 from 0.050 to 3.000 metres
- press « valid » button
(2)
measurement coefficient K display:
- if « right » button:
- input the measurement coefficient K from 0.01 to 9.99
- press « valid » button
(3)
temperature display
this concerns the manual correction value which is used for the calculations if there is no analogue input or
if the analogue input is defective (<3mA)
- if « right » button:
- input of the temperature from –50 to 500 degrees C
- press « valid » button
(4)
absolute pressure display (if no absolute pressure sensor present)
this concerns the manual correction value which is used for the calculations
- if « right » button:
- input of the absolute pressure from 500 to 3000 mbar
- press « valid » button
(5)
measurement range of the analogue input display (if analogue input present)
XXX is the value for 4mA
YYY is the value for 20mA
- if « right » button:
- input of the value for 4mA from –50 to 500 degrees C
- press « valid » button
- input of the value for 20mA from –50 to 500 degrees C
- press « valid » button
(10) temperature alarm display (if analogue input present)
- if « right » button:
- input of the alarm value from –50 to 500 degrees C
- press « valid » button
- input of the alarm delay time from 0 to 99 seconds
