
USER'S GUIDE ____________________________________________________________________
70 ___________________________________________________________________ M211435EN-E
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Figure 24 Dewpoint Accuracy vs. Measurement Conditions
Table 15 Operating Environment
-40 … +60 °C (-40 ... +140 °F)
No effect on measurement accuracy
* Note that measuring in temperatures below 0 °C or pressures over 20 bara (290 psia) requires a
supply voltage of 24 ... 28 VDC.
Table 16 Outputs
0 ... 1 V/5 V
Resolution for current output
Resolution for voltage output
Typical temperature dependence
RS-485, non-isolated
Vaisala Industrial Protocol
0 20
20
0
10
30
-10
-20
-30
10 30 40 50 60
40
Dewpoint temperature (°C)
Temperature of measured gas (°C)
-40 -30 -20 -10
-40
-50
-60
-70
50
60
70
-80
-90
Accuracy
±4 °C Td
Not recommended for
continuous measurement
Accuracy
±2 °C Td
Accuracy not specified
Dewpoint measurement low limit
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