Vaisala HM42 - Page 60

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Humidity measurement response time
HM41, HM45
(90%) with plastic grid filter
17 s
HM42
(90 %) with membrane filter and
steel grid
26 s
HM46
(90 %) with brass sintered filter
40 s
Stability
±2 %RH over 2 years
Humidity sensor
HM41, HM45, HM46
HUMICAP® 180R
HM42
HUMICAP® 100R-Mini
Temperature
Measurement range
HM41
-10 ... +60 °C (+14 ...+140 °F)
HM42
-40 ... +100 °C (-40 ... +212 °F)
HM45
-40 ... +60 °C (-40 ... +140 °F)
HM46
-40 ... +100 °C (-40 ... +212 °F),
short-term up to +180 °C
(+356 °F)
Accuracy over temperature range
at 0 ... +40 °C (+32 ... +104°F)
±0.2 °C (0.36 °F)
at -40 ... 0 °C and +40 ... +100 °C
(-40 ... +32 °F and +104 ... +212 °F)
±0.4 °C (0.72 °F)
Temperature Sensor
HM41, HM45, HM46
Pt1000 RTD Class F0.1
IEC 60751
HM42
Pt1000 RTD Class F0.3
IEC 60751