N2
He
Air
°C
°F
K
bar
psi
MPa
L
Gal
adiabat
isotherm
charge
discharge
p
2
=
p
1
=
p
0
=
ΔV
=
V
0
=
7
8
9
4
5
6
1
2
3
-/+
0
.
C
=
T
0
=
T
min
=
T
max
=
p
0
setting
automatic
p
0
setting
user input
support required