Vaisala HMT370EX - Figure 64 Humidity Measurement Accuracy as Function of Temperature; Figure 65 Temperature Measurement Accuracy over Full Range; Table 39 Humicapâ 180 L2 Measurement Performance

0.0
0.5
1.0
1.5
2.0
2.5
3.0
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
Accuracy [+/- % RH]
Temperature [
°
C]
3.5
130
140
150
160
170
180
4.0
90 ... 100 %RH
0 ... 90 %RH
Figure 64 Humidity measurement accuracy as function of temperature
Humidity measurement accuracy specified for dew point temperature of max. 95 °C ( 203 °F).
0
0.1
0.2
0.3
0.4
Accuracy [+/-
°C]
Temperature [
°
C]
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
0.5
-70
-60
-50
Figure 65 Temperature measurement accuracy over full range
HUMICAPâ 180L2 sensor option
The HUMICAPâ 180L2 sensor is used in the HMP378F and HMP378H probe variants that are
intended for oil and JET A-1 fuel measurements.
Table 39 HUMICAPâ 180L2 measurement performance
Property Description/Value
Water activity
Measurement range
0 … 1 a
w
1)
T
90
response time
2)
10 min
Chapter 13 – Technical data
133