Measurement Modes in the Main Menu
42
The measured values are converted according to
the following formula:
außenREF
außenIST
Kessel
U
L
pl
Luft
V
Norm
LS
Q
t
c
t
v
A
q
273
273
)
)
(
(
)
(
_
Description
Data
q
LS_Norm
Ventilation loss in %
A
v
Area cross section of
the flue gas pipe in m
2
v (t)
Air speed in the flue gas
pipe in m/s
air
air density, temperature
compensated, e.g.
20 °C 1,2 kg/m
3
c
pl
specific heat capacity,
norm:
0,279 Wh/kg °C
L
air temperature in the
exhaust stack
U
air temperature in ° in the
room
outside IST
Outside temperature,
actual value in °C
outsideREF
Outside reference
temperature, 15 °C
Q
burner
Nominal heat output of
the heat generator.
The conversion rule for the determination of the
flue gas loss is integrated in the meter's program.
