
Chapter 7 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 143
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Figure 72 Dewpoint Measurement Accuracy Graph DMT345
Table 33 Temperature Specifications DMT345
Property Description / Value
Measurement range 0 ... +180 °C (+32 ... +356 °F)
with sensor warming upper range limited by humidity (at
80% RH warming is switched on and
T reading not actual process
temperature)
Accuracy ±0.4 °C at 100 °C
Temperature sensor Pt 100 IEC 751 1/3 class B
Table 34 Relative Humidity Specifications DMT345
Property Description / Value
Measurement range 0 ... 100 %RH
with sensor warming 0 ... 80 %RH
Accuracy
below 10% RH ±10 % of reading
above 10% RH ±1.5 %RH + 1.5 % of reading
Table 35 Mixing Ratio Specifications DMT345
Property Description / Value
Measurement range (typical) 0 ... 1000 g/kg (0..7000 gr/lbs)
Accuracy ±12 % of reading
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