Vaisala HMP3, User Manual

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Property Description/value
Accuracy at +23 °C (+73.4 °F)
1)
±0.8 %RH (0 … 90 %RH)
Factory calibration uncertainty
2)
±0.7 %RH (0 … 40 %RH)
±1 %RH (40 … 95 %RH)
Non-linearity 0.4 %RH
T
63
response time
3) 15 s
Sensor HUMICAP â I
Temperature
Measurement range −40 … +120 °C (−40 … +248 °F)
Accuracy at +23 °C (+73.4 °F)
1) ±0.1 °C (±0.18 °F)
Factory calibration uncertainty
2) ±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
T
63
response time
3) 70 s
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) In still air
Table 27 Operating environment
Property Description/value
Operating temperature of probe body −40 … +60 °C (−40 … +140 °F)
Operating temperature of probe head −40 … +120 °C (−40 … +248 °F)
Storage temperature −40 … +60 °C (−40 … +140 °F)
Operating environment Suitable for outdoor use when protected from
rain
Measurement environment For air, nitrogen, hydrogen, argon, helium, and
oxygen
1)
IP rating IP65 for probe body
EMC compliance EN 61326-1, industrial electromagnetic
environment
1) Consult Vaisala if other chemicals are present. Consider safety regulations with flammable
gases.
Chapter 8 – Technical data
65
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