Vaisala HMP4 - Technical Data; HMP1 Specifications; Figure 33 HMP1 Humidity Measurement Accuracy as a Function of Temperature; Table 6 HMP1 Measurement Performance

9. Technical data
9.1 HMP1 specifications
Table 6 HMP1 measurement performance
Property Description/Value
Relative humidity
Measurement range 0 … 100 %RH
Accuracy at +23 °C (+73.4 °F)
1) 2)
±1.0 %RH (0 … 90 %RH)
Factory calibration uncertainty
3)
±0.7 %RH (0 … 40 %RH)
±1 %RH (40 … 95 %RH)
Non-linearity 0.4 %RH
Sensor HUMICAPâ I
Temperature
Measurement range −40 … +60 °C (−40 … +140 °F)
Accuracy at +23 °C (+73.4 °F)
1) 2)
±0.2 °C (±0.36 °F)
Factory calibration uncertainty
3)
±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
1) Defined against calibration reference. Including non-linearity, hysteresis, and repeatability.
2) In typical room conditions.
3) Defined as ±2 standard deviation limits. Small variations possible; see calibration certificate.
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
Accuracy [± %RH]
Temperature [°C]
3.5
4.0
90 ... 100 %RH
0 ... 90 %RH
Figure 33 HMP1 humidity measurement accuracy as a function of temperature
HMP Series with MMP8 and TMP1 User Guide M212022EN-F
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