APPENDIX 
141 
EC Declaration of Conformity 
 
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 
declares that the below mentioned product 
GDS-1072A-U, GDS-1102A-U, GDS-1152A-U 
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 Equipment Directive (2006/95/EC). For the evaluation 
regarding the Electromagnetic Compatibility and Low Voltage 
Equipment Directive, the following standards were applied: 
EN 61326-1 : 
EN 61326-2-1: 
Electrical equipment for measurement, control and 
laboratory use –– EMC requirements (2006) 
Conducted and Radiated Emissions 
EN 55011: 2009+A1: 2010 
Electrostatic Discharge 
EN 61000-4-2: 2009 
Current Harmonic 
EN 61000-3-2: 2006+A1: 2009+A2: 2009 
Radiated Immunity 
EN 61000-4-3: 2006+A1: 2008+A2 :2010 
Voltage Fluctuation 
EN 61000-3-3: 2008 
Electrical Fast Transients 
EN 61000-4-4: 2004+A1: 2010 
------------------------- 
Surge Immunity 
EN 61000-4-5: 2006 
------------------------- 
Conducted Susceptibility 
EN 61000-4-6: 2009 
------------------------- 
Power Frequency Magnetic Field 
EN 61000-4-8: 2010 
------------------------- 
Voltage Dips/ Interrupts 
EN 61000-4-11: 2004 
Low Voltage Equipment Directive 2006/95/EC 
Safety Requirements 
EN 61010-1: 2010 
EN 61010-2-030: 2010