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Electronic Component Testing

LISUN supplies precision electronic component testing instruments for electrolytic capacitor, MOS, transformer and magnetic core inspection, including LCR meters, winding impulse testers for lab QC and production testing.

Impedance analyzer

LS90 Impedance analyzer

LCR Meter with DC Bias Current Source

LS1373X LCR Meter with DC Bias Current Source

Capacitor Leakage Current Tester

LS6586 Capacitor Leakage Current Tester

Impulse Winding Tester

LS8815 Impulse Winding Tester

Common Mode Inductor Balance Tester

LS8517CX Common Mode Inductor Balance Tester

Capacitor Meter

LS6515EN Capacitor Meter

Transformer Comprehensive Tester

LS2789 Transformer Comprehensive Tester

Ferrite Core Meter

LS2736 Ferrite Core Meter

DC Bias Current Source

FD1772B DC Bias Current Source

Product Categories

Standards

EN 14604:2005 Smoke alarm devices

EN 14604:2005 Smoke alarm devices

UL 1484:2025 Fuel Gas Alarms

UL 1484:2025 Fuel Gas Alarms

ISO 7240-2:2017 Fire detection and alarm systems—Part 2:Fire detection control and indicating equipment

ISO 7240-2:2017 Fire detection and alarm systems—Part 2:Fire detection control and indicating equipment

UL 817:2025 Cord Sets and Power-Supply Cords

UL 817:2025 Cord Sets and Power-Supply Cords

UL 217:2024 Smoke Alarms

UL 217:2024 Smoke Alarms

Applications

LEDs and Luminaire Test Solutions

LEDs and Luminaire Test Solutions

LM-79 and LM-80 Test Solutions

LM-79 and LM-80 Test Solutions

LED Driver Test Solutions

LED Driver Test Solutions

Household Applicances Test Solutions

Household Applicances Test Solutions