Vaisala HMP4 - HMP3 Specifications; Table 12 HMP3 Measurement Performance

9.2 HMP3 specifications
Table 12 HMP3 measurement performance
Property Description/Value
Relative humidity
Measurement range 0 … 100 %RH
Accuracy at +23 °C (+73.4 °F)
1)
±0.8 %RH (0 … 90 %RH)
Factory calibration uncertainty
2)
±0.5 %RH (0 … 40 %RH)
±0.8 %RH (40 … 95 %RH)
T
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response time 15 s
Sensor options HUMICAPâ R2
HUMICAPâ R2C
3)
HUMICAPâ 180VC
3) 4)
Temperature
Sensor Pt100 RTD Class F0.1 IEC 60751
Measurement range −40 … +120 °C (−40 … +248 °F)
Accuracy
1) 5)
±0.1 °C (±0.18 °F)
Factory calibration uncertainty
2)
±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
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)
Chapter 9 – Technical data
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