Vaisala HM70 - Manual (Page 74)

User's Guide ______________________________________________________________________
72 __________________________________________________________________ M210297EN-E
Response time (90 %) at 20 ºC in 0.1 m/s air flow
17 s with grid filter
50 s with grid + steel netting filter
60 s with sintered filter
Temperature
Measurement ranges
HMP75 -20 ... +60 ºC
HMP76 -50 ... +120 ºC
(to +180 ºC temporarily)
HMP77 -70 ... +180 ºC
Accuracy at +20°C ±0.2 °C
Figure 10 Accuracy over temperature range
Temperature sensor Pt 100 RTD 1/3 Class B IEC 751
Calculated Variables
Typical Ranges
Dewpoint temperature -20 ... +100 ºC, -4 ... +212 ºF
Mixing ratio 0 ... 600 g/kg dry air
Absolute humidity 0 ... 600 g/m
3
∆ °C
°C
-0.7
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0
0 -60 -40 -20 20 40 60 80 100 120 140 160 180 -80