Technical Data; Relative Humidity And Temperature Measurement Performance - Vaisala HM41 User Manual

Technical Data

Relative Humidity and Temperature
Measurement Performance
Relative Humidity
Measurement range
Accuracy (including non-linearity,
hysteresis, and repeatability)
HM41
at 0 ... +40 °C
at -10 ... 0 °C and +40 ... +60 °C
HM42
at 0 ... +40 °C
at -40 ... -0 °C and +40 ... +80 °C
at +80 ...+100 °C
HM45
at 0 ... +40 °C
at -40 ... 0 °C and +40 ... +60 °C
HM46
at 0 ... +40 °C
at -40 ... -0 °C and +40 ... +80 °C
at +80 ...+100 °C
Factory calibration uncertainty
at +20 °C (+68 °F)
56
0 ... 100 %RH
±1.5 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
±3.0 %RH (0 ... 90 %RH)
±4.0 %RH (90 ... 100 %RH)
±1.5 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
±3.0 %RH (0 ... 90 %RH)
±4.0 %RH (90 ...100 %RH)
±4.0 %RH*
*)
Not recommended for T
±1.5 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
±3.0 %RH (0 ... 90 %RH)
±4.0 %RH (90 ... 100 %RH)
±1.5 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
±3.0 %RH (0 ... 90 %RH)
±4.0 %RH (90 ... 100 %RH)
±4.0 %RH*
*)
Not recommended for T
±1.5 %RH
> 85 °C.
d
> 85 °C.
d