LISUN
Global leader in lighting and electrical test instruments.
About
LISUN develops and supplies test instruments for photometry, colorimetry, EMC/EMI, electrical safety, environmental reliability, and standards-based laboratory testing. The company was founded in 2003, serves customers in more than 150 countries and regions, and designs products around CIE, IEC, ISO, EN, UL, and related international standards.

Core Categories
- EMI/EMC Test Systems
- Spectroradiometer and Integrating Sphere Systems
- Goniophotometer
- Electrical Safety Testers
- Environmental Test Chambers
- IP Waterproof Test Equipment
- Surge and ESD Immunity Test Systems
- LED and Lamp Test Instruments
- AC/DC Power Supplies
- RoHS and Material Analysis Instruments

Flagship Products
- LS9955 Automatic Safety Test System: integrated AC/DC withstand voltage, insulation resistance, leakage current, and grounding resistance testing.
- LPCE-2 Integrating Sphere Spectroradiometer System: LED and luminaire photometric, colorimetric, and electrical measurement platform.
- LMS-9500C Scientific Grade CCD Spectroradiometer: high-accuracy spectral measurement platform traceable to NIM and NIST.
- LSG-6000 Moving Detector Goniophotometer: LM-79 light-distribution and 3D intensity measurement system.
- EMI-9KB EMI Receiver Test System: conducted and radiated EMI pre-compliance and compliance testing.

Applications
- LED and luminaire photometric testing
- LM-79 and related lighting measurement workflows
- EMC and immunity compliance testing
- Electrical safety validation
- Environmental and reliability testing
- Standards-driven QA for lighting and electrical products

Trust Signals
- Quality systems based on ISO9001 and ISO17025.
- Built a high-level showroom and accreditation lab in Shanghai in 2012.
- CIE membership.
- CE and RoHS certifications referenced on site.
- Product quality accepted by organizations and companies including UL, SGS, NIST, NIM, UNDP, Philips, and OSRAM.

Contact
- Sales Email: Sales@Lisungroup.com
- Global Office / HQ: Room 926, Sing Win Factory Building, 15-17 Shing Yip Street, Kwun Tong, Kowloon, Hong Kong

Key Links
- https://www.lisungroup.com/
- https://www.lisungroup.com/about-us.html
- https://www.lisungroup.com/contact-us.html