Vaisala DMP248, Operating Manual

Page: 77 / 141

C
HAPTER
8 ____________________________________________________________
TECHNICAL DATA
V
AISALA
_________________________________________________________________________ 73
Temperature
Measurement range -40...+80 °C
for specified Td accuracy 0...+80
°
C
Typical accuracy of electronics
at +20 °C (+68 °F)
±0.1 °C
Typical temperature dependence of
electronics
0.005 °C/°C
Temperature sensor Pt 100 IEC 751 1/3 Class B
Relative humidity
Measurement range 0...100 %RH
Accuracy at 20 °C
RH< 10 %RH ± 0.025 %RH + 8.75% of reading
RH> 10 %RH ± 0.7 %RH + 2% of reading
Ppm volume concentration (dry)
Typical measurement range 0...5000 ppm
v
Accuracy at 20 °C, 1013.25 mbar 7.3 ppm
v
+ 8.3% of reading
Outputs
Two analogue outputs selectable 0...20 mA 4...20 mA
0...1 V
0...5 V
0...10 V
Typical accuracy of an analogue
output at +20 °C
±0.05 % full scale
Typical temperature dependence
of an analogue output
0.005 %/°C full scale
Serial outputs RS 232C
RS 485 (option)
current loop (option)
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