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personal injury and property losses caused by the user's failure to comply with the following terms.
Correct connection of ground wire
To avoid electric shock, please use the provided cable to connect and make sure that the product is properly
grounded before use.
Operating voltage
Please ensure that the main supply does not exceed 10% of rated operating range to prevent product damage.
Input voltage
Please notice the product symbols before connecting. The instrument supports 2 kinds of AC input method: 110V
and 220V. Please check if the switch of load matches with the input power source and if the fuse is correctly
installed.
Leads
Check whether the insulation layer of the test leads is damaged or whether the leads are exposed or conducting.
If the leads are damaged, replace them.
Fuses
Only fuses specified for this product are allowed.
Overvoltage protection
Please ensure that no excessive voltage (such as the voltage caused by lightning) reaches the product to avoid
electric shock.
Do not open the housing of the product.
Do not operate the product when the instrument case is open. Do not alter the internal circuit of the instrument.
Do not touch live parts.
Do not touch exposed connectors, unused input terminals, or circuits being measured while the instrument is in
use.
Please do not use the instrument in inflammable and explosive environment.
Do not use or store the instrument in high temperature, high humidity, flammable, explosive and strong magnetic
field environments.
Grounding
Protective grounding
Signal grounding
Danger
UDP3305S Series Programmable DC Power Supply User Manual
Power on
Power off
Ground terminal for chassis
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