PSU Series User Manual 
194 
Declaration of Conformity 
 
We 
GOOD WILL INSTRUMENT CO., LTD. 
No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236, Taiwan  
GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. 
No. 69 Lushan Road, Suzhou New District Jiangsu, China. 
declare that the below mentioned product 
Type of Product: Programmable DC Power Supply 
Model Number: PSU 6-200, PSU 12.5-120, PSU 20-76, PSU 40-38, PSU 60-25 
are herewith confirmed to comply with the requirements set out in the 
Council Directive on the Approximation of the Law of Member States 
relating to Electromagnetic Compatibility (2004/108/EC) and Low Voltage 
Directive (2006/95/EC). 
For the evaluation regarding the Electromagnetic Compatibility and Low 
Voltage Directive, the following standards were applied: 
EN 61326-1: 
EN 61326-2-1: 
Electrical equipment for measurement, control and 
laboratory use  –– EMC requirements (2013)  
Conducted & Radiated Emission 
EN 55011: 2009+A1:2010 
Electrostatic Discharge 
EN 61000-4-2: 2009 
Current Harmonics 
EN 61000-3-2:  
2006+A1: 2009+A2: 2009 
Radiated Immunity 
EN 61000-4-3: 
2006+A1:2008+A2:2010 
Voltage Fluctuations 
EN 61000-3-3: 2008 
Electrical Fast Transients 
EN 61000-4-4: 2012 
------------------------- 
Surge Immunity 
EN 61000-4-5: 2006 
------------------------- 
Conducted Susceptibility 
EN 61000-4-6: 2009 
------------------------- 
Power Frequency Magnetic Field 
EN 61000-4-8: 2010 
------------------------- 
Voltage Dip/ Interruption 
EN 61000-4-11: 2004 
Low Voltage Equipment Directive 2006/95/EC 
EN 61010-1: 2010 
EN 61010-2-030: 2010