Chapter 8 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 169
CHAPTER 8
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 tem
perature (°
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
Accu
racy
± 2
°C T
d
or be
tter
Dewpoint measurement range lower limit
Acc
urac
y ±
3°C
Td
or b
ette
r
Wa
ter
vap
or s
atu
ratio
n lin
e
Not recommended area for
continuous measurement
0503-039
Figure 90
Dewpoint Accuracy Graph
