Vaisala PTU300 Guide de l'utilisateur Page 186

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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)
Accuracy in dewpoint measurementC)
-20
0
20
40
60
-40
Dewpoint temperature (°C)
100
80
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