USER'S GUIDE____________________________________________________________________
58 __________________________________________________________________ M211371EN-B
0
20
20
0
10
30
-10
-20
-30
10
30
40
50
60
40
D
e
w
poin
t
temp
erature
(°C)
Temperature of measured gas (°C)
-40 -30 -20 -10
70
80
-40
-50
-60
Not recommended for
continuous measurement
Dewpoint measurement low limit
-70
Accuracy not specified
Accuracy
±3 °C Td
1107-032
Figure 11
DPT145 Dewpoint Measurement Accuracy
Table 14
Operating Environment
Property
Description / Value
Operating temperature of electronics
-40 … +60 °C (-40 ... +140 °F)
Pressure
0 … 50 bar (0…725 psi)
Relative humidity
0 ... 100 %
Measured gases
SF
6
SF
6
/N
2
mixture
Table 15
Outputs
Property
Description / Value
Digital output
RS-485, non-isolated, Vaisala protocol
Connector 4-pin
M8
