According to ISO 3741 NF 31022 standards : Acoustic power Max value in dB(A) ref 1pW, at nominal torque and between 20°C to 35°C.Max value = Upper limit of the 95% confidence interval on the average value (based on 5 samples).Normal use : -10°C to +40°C.Exceptionnal use (2% of the life time not simultaneous) : -20°C to +70°C.
Limites de uso
Horizontal, or 45° with head direction toward up (asymetrical rolling shutters).
