4. Electrical characteristics
4.1 Input power: 1VAC (sine wave), 1kHz
4.2 Operating temperature range: -20℃ ~ 70℃
4.3 Operating humidity range: 95 %RH or less
4.5 Accuracy: ±2.5 %RH (at 25℃, 60 %RH)
4.6 Hysteresis: within 2 %RH (40 %RH ~ 80 %RH)
4.7 Stability: 1 year < 2 %RH
5.Reliability
5.1 Heat resistance: <2 %RH (1000 hours at 90℃, less than 30 %RH)
5.2 Cool resistance: <2 %RH (1000 Hours at -60℃, less than 70 %RH)
5.3 Humidity resistance: <2 %RH (1000 hours at 40℃, 90 %RH)
5.4 Temperature cycle: <2 %RH
(300 cycle??: 30 minutes at -30℃, 30 minutes at 90℃)
