Dewpoint temperature (ptu307 warmed probe option), Operating conditions, Figure 78 – Vaisala PTU300 User Manual
Page 186: Accuracy in dewpoint measurement, Figure 78 accuracy in dewpoint measurement
User's Guide _______________________________________________________________________
184 __________________________________________________________________ M210796EN-G
Dewpoint Temperature (PTU307 Warmed
Probe Option)
Find the intersection of the dewpoint temperature curve and the dewpoint
difference reading (process temperature-dewpoint temperature) on the x-
axis and read the accuracy in dewpoint measurement on the y-axis.
0508-017
Figure 78
Accuracy in Dewpoint Measurement
Operating Conditions
Operating temperature range
for humidity measurement
-70 ... +180 °C (-94 ... +356 °F) see probe
specifications
for transmitter body electronics -40 ... +60 °C (40 ... +140°F)
with display
0 ... +60 °C (+32 ... +140°F)
Storage temperature
without display
-55 … +80 °C (-67 … +176 °F)
with display
-40 … +80 °C (-40 … +176 °F)
Electromagnetic compatibility
EN61326-1: Electrical equipment for
measurement, control, and laboratory use –
EMC requirements – for use in industrial
locations
0
1
2
3
4
5
0
20
40
60
80
100
Dewpoint difference (°C)
Accu
racy i
n
d
ew
p
o
in
t measu
remen
t (
°C)
-20
0
20
40
60
-40
Dewpoint temperature (°C)
100
80