GDS-800 Series Digital Storage Oscilloscope Operation Manual 
 
81
Declaration of Conformity 
We 
GOOD WILL INSTRUMENT CO., LTD. 
No. 95-11, Pao-Chung Rd., Hsin-Tien City, Taipei Hsien, Taiwan 
GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. 
No.69 Lushan Road, Suzhou New District Jiangsu, China. 
declares that the below mentioned product 
GDS-800 series digital storage oscilloscope 
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 (89/336/EEC, 92/31/EEC, 
93/68/EEC) and Low Voltage Equipment Directive (73/23/EEC).   
 
For the evaluation regarding the Electromagnetic Compatibility and 
Low Voltage Equipment Directive, the following standards were 
applied: 
 EMC◎  
EN 61326-1: Electrical equipment for measurement, control and 
laboratory use    –– EMC requirements (1997+A1: 1998+A2: 2001) 
Conducted and Radiated Emission
EN 55011: 1998 class A 
Electrostatic Discharge 
EN 61000-4-2: 1995+A1: 1998 
Current Harmonic 
EN 61000-3-2: 2000 
Radiated Immunity 
EN 61000-4-3: 1996+A1: 1998 
Voltage Fluctuation 
EN 61000-3-3: 1995 
Electrical Fast Transients 
EN 61000-4-4: 1995 
------------------------- 
Surge Immunity 
EN 61000-4-5: 1995 
------------------------- 
Conducted Susceptibility 
EN 61000-4-6: 1996 
------------------------- 
Voltage Dips/ Interrupts 
EN 61000-4-11: 1994 
 Safety◎  
Low Voltage Equipment Directive 73/23/EEC & amended by 
93/68/EEC 
IEC/EN 61010-1: 2001