Safety Precautions 
The  following  safety  precautions  must  be  observed  during  all  phases  of 
operation of this instrument. Failure to comply with these precautions or specific 
warnings  elsewhere  in  this  manual  will  constitute  a  default  under  safety 
standards of design, manufacture and intended use of the instrument. ITECH 
assumes no liability for the customer’s failure to comply with these precautions. 
 
⚫  Do not use the instrument if it is damaged. Before operation, check 
the casing to see whether it cracks. Do not operate the instrument in 
the presence of inflammable gasses, vapors or dusts. 
⚫  The power supply is provided with a power line during delivery and 
should be connected to junction box. Before operation, be sure that 
the power supply is well grounded. Make sure to use the power cord 
supplied by ITECH. 
⚫  Check all marks on the instrument before connecting the instrument 
to power supply. 
⚫  Use electric wires of appropriate load. All loading wires should be 
capable of bearing maximum short-circuit of electronic load without 
overheating. If there are multiple loads, each pair of the load power 
cord must be carry out the full rated short-circuit output current of 
the power securely. 
⚫  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.