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Accredited Test Houses

Index: View the full list of DiiA-Accredited Test Houses

GRE Alpha Electronics Ltd.

Name GRE Alpha Electronics Ltd.
Location Hong Kong
Contact details

Unit 501, 5/F, 16 Science Park West Avenue, Phase 3, Hong Kong Science Park, Shatin, Hong Kong

Tel: (852) 2607 4422

Fax: (852) 2423 3626

Email: sales@grealpha.com

Website: www.grealpha.com

Written and spoken languages English, Chinese (Cantonese, Mandarin), Japanese
Test report language English
ProbitLab 2 tester available Yes
Regions from which products are accepted Worldwide
Test-results consultancy service also available Yes
Other DALI-related services Testing consultancy
DALI product design
DALI hardware design
DALI software design
DALI product manufacture
Mains supply capabilities

AC: 0-480VAC, 50/60Hz, 1000VA

DC:  0-600V, 1000W max

Manufacturer of DALI products Yes
Other accreditation  


IEC 62386 Parts that can be tested

Last updated: February 2020

IEC 62386 Parts - General DALI v-1 DALI-2
System - 101   Yes
Control gear - 102 Yes Yes
Control devices - 103   Yes
Bus power supplies   Yes
Devices with integrated bus power supply   Yes
AUX power supplies - 150   Yes
Control gear    
Fluorescent - 201 Yes  
Self-contained emergency - 202 Yes  
HID - 203 Yes  
Low-voltage halogen - 204 Yes  
Incandescent dimmer - 205 Yes  
Conversion into DC voltage - 206 Yes Yes
LED - 207 Yes Yes
Switching - 208 Yes Yes
Colour control - 209   Yes
D4i specifications for control gear    
Integrated bus power supply - 250   Yes
Luminaire Data - 251   Yes
Energy Data - 252   Yes
Diagnostics Data - 253   Yes
Control devices    
Push-buttons - 301   Yes
Absolute input devices -  302   Yes
Occupancy sensor - 303   Yes
Light sensor - 304   Yes