Series IT6700 User’s Manual 
  Copyright © Itech Electronics Co., Ltd.  ii 
Safety Precautions 
General safety precautions below must be followed in each phase of instrument 
operation. In case of failure to follow these precautions or specific warnings in 
other parts of the manual, violation against the safety standards related to the 
design, manufacture and purpose of the instrument will occur. If the user does 
not follow these precautions, ITECH will bear no responsibility arising 
therefrom. 
 
  The power supply is provided with a three-core power cord during delivery 
and should be connected to a three-core junction box. Before operation, be 
sure that the power supply is well grounded. 
  Use electric wires of appropriate load. All loading wires should be capable 
of bearing maximum short-circuit of electronic load without overheating. 
  Ensure the voltage fluctuation of mains supply is less than 10% of the 
working voltage range in order to reduce risks of fire and electric shock. 
  To prevent burnout, please pay special attention to positive and negative 
polarities of power supply during connection! 
  Do not use damaged equipment. Please check the housing before using 
the equipment. Check whether the instrument is subject to cracking or is 
lack of plastic. Do not operate the instrument in the environment with 
explosive gas, steam or dust. 
  Observe all tags on the equipment before connection. 
  Do not install alternative parts on the instrument or perform any 
unauthorized modification. 
  Do not use the equipment when the removable cover is dismantled or 
loose. 
  Please use the power adapter supplied by the manufacturer to avoid 
accidental injury. 
  Do not use the equipment on the life support system or other equipment 
with safety requirements. 
 
 
 
  If the equipment is not used in the manner specified by the manufacturer, 
its protection may be damaged. 
  Always use dry cloth to clean the equipment housing. Do not clean the 
inside of the instrument. 
  Do not block the air vent of the equipment. 
 
Environmental conditions 
The IT6700 series power supply can only be used indoors or in low 
condensation areas. The following table shows general environmental 
requirements for this instrument.