Vaisala HMP4 - Figure 36 HMP3 Humidity Measurement Accuracy as a Function of Temperature; Figure 37 HMP3 Temperature Measurement Accuracy over Full Range; Table 13 HMP3 Operating Environment

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
4.0
90 ... 100 %RH
0 ... 90 %RH
Figure 36 HMP3 humidity measurement accuracy as a function of temperature
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
Figure 37 HMP3 temperature measurement accuracy over full range
Table 13 HMP3 operating environment
Property Description/Value
Operating temperature of probe head −40 … +120 °C (−40 … +248 °F)
Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
Storage temperature −40 … +80 °C (−40 … +176 °F)
Operating environment Suitable for outdoor use
Measurement environment For air, nitrogen, hydrogen, argon, helium, and
oxygen
1)
IP rating of probe body IP66: Dust-tight. Protected from powerful water
jets from any direction.
1) Consult Vaisala if other chemicals are present. Consider safety regulations with flammable
gases.
HMP Series with MMP8 and TMP1 User Guide M212022EN-F
68