The ColorQuest II Sphere power conditions are as follows:
Voltage - 115V +/-10 at 60 Hz or 230V +/-20 at 50 Hz.
Note: Do not attempt to change the voltage setting.
Current - 1A at 115V or 0.5A at 230V.
Installation Category (Over Voltage) - II.
Notice: This instrument has internal fuses in the power supply assembly that are not user replaceable.
If additional assistance is required, you may contact HunterLab.