... output.Operating Environment1. Temperature, -5°C~+55°C2. Relative humidity,5%~90%RH3. Places that are ventilate and cool, ... protection, Input voltage over 290VAC~310VAC Over voltage recovery point,Input voltage over 285VACHaining Sunparl Information Technology Co.Ltd ... LD vibration test Systems,high-low temperature envirnoment and humidity test systems,ultraviolet flood light test systems,waterproof ...