
Chapter 7 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 153
CHAPTER 7
TECHNICAL DATA
Specifications
Performance
Measured variables
Dewpoint
Sensor Vaisala DRYCAP®180M
Measurement range -70 ... +80 °C (-94 ... +176 °F) Td
For continuous use -70 ... +45 °C (-94 ... +113 °F) Td
Accuracy
up to 20 bar / 290 psia see the accuracy graph
20 ... 50 bar / 290 ... 725 psia +1 °C Td
Dewpoint temperature (°C)
Temperature of measured gas (°C)
0
40
-60
-80
10
20
30
50
60
70
-10
-20
-30
-50
-40
-70
80
0
-10
-20
-30-40
10
20 30
40
50 60 70
80
A
c
c
u
r
a
c
y
±
2
°
C
T
d
o
r
b
e
t
t
e
r
D
e
w
p
o
in
t
m
e
a
s
u
r
e
m
e
n
t
r
a
n
g
e
lo
w
e
r
lim
it
A
c
c
u
r
a
c
y
±
3
°
C
T
d
o
r
b
e
t
t
e
r
W
a
t
e
r
va
p
o
r
sa
t
u
r
a
t
i
o
n
l
i
n
e
N
ot
r
ec
om
m
ended
ar
ea
f
o
r
c
ont
i
nu
ous
m
eas
ur
e
m
e
nt
0503-039
Figure 83 Dewpoint Accuracy Graph
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