Vaisala HMP4 - Figure 45 HMP7 Humidity Measurement Accuracy as Function of Temperature

Property Description/Value
Sensor options HUMICAPâ R2
HUMICAPâ R2C
3)
HUMICAPâ 180VC
3) 4)
Temperature
Measurement range −70 … +180 °C (−94 … +356 °F)
Accuracy at +23 °C (+73.4 °F)
1) 5)
±0.1 °C (±0.18 °F)
Factory calibration uncertainty
2)
±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
Sensor Pt100 RTD Class F0.1 IEC 60751
1) Defined against calibration reference. Including non-linearity, hysteresis, and repeatability.
2) Defined as ±2 standard deviation limits. Small variations possible; see calibration certificate.
3) Chemical purge feature available with this sensor
4) H
2
O
2
resistant. With HUMICAP â 180VC sensor, accuracy is not specified below −20 °C
(−4 °F) operating temperature.
5) Exposing temperature sensor to temperatures outside −20 … +150 °C (−4 … +302 °F) may
cause permanent additional deviation of ±0.1 °C (0.18 °F)
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 45 HMP7 humidity measurement accuracy as function of temperature
HMP Series with MMP8 and TMP1 User Guide M212022EN-F
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