Figure 11, Dpt145 dewpoint measurement accuracy, Table 15 – Vaisala DPT145 User Manual
Page 55: Operating environment, Table 16, Outputs, Table 16 outputs
Chapter 8 _____________________________________________________________ Technical Data
VAISALA ________________________________________________________________________ 55
1107-032
Figure 12
DPT145 Dewpoint Measurement Accuracy
Table 15
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 16
Outputs
Property
Description / Value
Digital output
RS-485, non-isolated, Vaisala protocol
Connector
4-pin M8
0
20
20
0
10
30
-10
-20
-30
10
30 40 50 60
40
D
ew
po
in
t
te
m
pe
ra
tu
re
(°
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