PSU Series User Manual 
192 
FAQ 
 
How often should the power supply be calibrated? 
The OVP voltage is triggered earlier than expected. 
Can I combine more than 1 cable together for the output wiring? 
The accuracy does not match the specification. 
The OVP voltage is triggered earlier than expected. 
 
When setting the OVP voltage, take into account the voltage drop 
from the load cables. As the OVP level is set from the output 
terminals and not the load terminals, the voltage at the load 
terminals may be slightly lower. 
Can I combine more than 1 cable together for the output 
wiring? 
 
Yes. Cables can be used together (in parallel) if the current capacity 
of a single cable is insufficient. However the withstand voltage 
should also be taken into account. Ensure the cables are twisted 
together and are the same length.  
The accuracy does not match the specification. 
 
Make sure the device is powered On for at least 30 minutes, within 
+20°C~+30°C. This is necessary to stabilize the unit to match the 
specification. 
For more information, contact your local dealer or GW Instek at 
www.gwinstek.com / marketing@goodwill.com.tw.