IT7800 User Manual
Copyright ©ITECH Electronic Co., Ltd.
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A chassis terminal
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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.
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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.
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The instrument is provided with a power cord during delivery and
should be connected to a socket with a protective earth terminal, a
junction box or a three-phase distribution box. Before operation, be
sure that the instrument is well grounded.
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Check all marks on the instrument before connecting the instrument
to power supply.
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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.
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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.
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Do not install alternative parts on the instrument or perform any
unauthorized modification.
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Do not use the instrument if the detachable cover is removed or
loosen.
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To prevent the possibility of accidental injuries, be sure to use the
power adapter supplied by the manufacturer only.
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We do not accept responsibility for any direct or indirect financial
damage or loss of profit that might occur when using the instrument.
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This instrument is used for industrial purposes, do not apply this
product to IT power supply system.
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Never use the instrument with a life-support system or any other
equipment subject to safety requirements.
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SHOCK HAZARD Ground the Instrument. This product is provided with a
protective earth terminal. To minimize shock hazard, the instrument must
be connected to the AC mains through a grounded power cable, with the
ground wire firmly connected to an electrical ground (safety ground) at the
power outlet or distribution box. Any interruption of the protective
