Vaisala HM40 - Manual (Page 43)

42
Technical Data
Performance
Relative Humidity
Measurement range
0 ... 100 %RH
Accuracy (including non-linearity,
hysteresis, and repeatability)
at 0 ... +40 °C (+32 ... +104 °F) ±1.5 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
at -10 ... 0 °C and +40 ... +60 °C
(+14 ... +32 °F and +104 ... +140 °F)
±3.0 %RH (0 ... 90 %RH)
±4.0 %RH (90 ... 100 %RH)
Factory calibration uncertainty
at +20 °C (+68 °F)
±1.5 %RH
Humidity measurement response time
(90%) with plastic grid filter
17 s
Stability ±2 %RH over 2 years
Humidity sensor HUMICAP® 180R
Temperature
Measurement range
-10 ... +60 °C (+14 ...+140 °F)
Accuracy over temperature range:
at 0 ... +40 °C (+32 ... +104°F) ±0.2 °C (0.36 °F)
at -10 ... 0 °C and +40 ... +60 °C
(+14 ... 32 °F and +104 ... +140 °F) ±0.4 °C (0.72 °F)
Temperature Sensor Pt1000 RTD Class F0.1
IEC 60751