Inficon PGE500, Operating Manual

Page: 65 / 84

tinb21e1 (2016-06)
65
Tabl
e
"Log-Li
near anal
og output - u
n
it
s
in
mba
r"
(
con
cluded)
CH
4
8.125 8.125
Values li
ste
d und
er
each ga
s type
are
in
vo
lts.
The log-line
ar o
utp
ut
signal
and
pre
ssure in
th
e
table
abo
ve a
re r
elated b
y th
e fol
lowing
formula
s:
P = 10
(V
- 5)
V =
log10(P)
+ 5
where
P
is
the p
ressure
in mba
r, and
V
is
the o
utpu
t sig
nal
in
vol
ts.
A
n analo
g ou
tpu
t of less th
an 0
.01
volts
to
near
0
vol
t i
ndi
cate
s a
damaged
o
r fa
ulty
sen
sor
.
The cha
rt on
the
fol
lowing
page
sho
w
s
the
graphi
cal
re
sults o
f the
table
and
fo
rmulas gi
ven a
bove fo
r
nitrogen
. True p
ressure
(
N
2
) is plo
tted
on the X
-axi
s with
a
log
scal
e.
The
ou
tp
ut
signal
is
plotted
on the Y
-
axi
s on
a
linear
sca
le.
Ne
8.125 8.125
D
2
8.125 8.125
Freon
22
6.222 6.228
Freon
12
6.164 6.169
KR
5.828 5.830
CO
2
7.140 7.169
O
2
8.125 8.125
He
8.125 8.125
Ar
6.624 6.636
N
2
8.114 8.125
True Pre
ssure
[mbar]
1300.000
0
1333.000
0