Import Automatic Electrical Safety Tester — Buy in wholesale FOB from Supplier in China

The LS9955 and LS9956 Automatic Safety Test Systems from Lisun Instruments Limited are integrated electrical safety analyzers designed for comprehensive testing in production lines or R and D labs. These systems combine Withstand Voltage Test (AC and DC), Insulation Resistance Test (IR), Leakage Current Test (LLC), Grounding Resistance Test (GR) and, in the LS9956 model, Power Test, all controlled via a single unit. The devices meet international standards including GB4706.1, IEC/EN60335-1, UL60335, GB7000, IEC60598, GB4943, IEC60950 and GB9706.1, ensuring compliance for luminaries, home appliances and motor tools.

Both models feature a large LCD menu that displays all setting parameters and test results, with programmable test modes supporting 50 groups of settings and up to 8 test steps per group. The systems include PASS or FAIL limit configuration, alarm indicators and quick discharge capabilities, and they support 50Hz and 60Hz frequencies. The LS9955 covers Withstand Voltage, IR, LLC and GR tests, while the LS9956 adds Power Test functionality. Optional remote control and software integration are available for automated testing workflows.

These testers are primarily used by manufacturers of electrical and electronic products to verify safety compliance before market release. Typical buyers include appliance producers, lighting fixture makers and tool manufacturers who require consistent, repeatable testing to ensure product safety. The systems are designed for high-volume testing environments, with features such as programmable sequences and quick discharge reducing downtime between tests.

Lisun Instruments Limited is based in Shanghai, China, operating from Nanxiang Zhidi Industry Park in the Jiading District. The company specialises in electrical safety testing equipment, providing solutions that meet international and domestic regulatory standards for a range of industries. Its products are designed for use in both production and laboratory environments, catering to manufacturers who require precise and reliable testing.

The supplier’s profile indicates a focus on integrated testing systems, with the LS9955 and LS9956 models representing a combination of multiple safety tests in a single unit. While the response rate and verification signals are not publicly available, the company’s address and product descriptions suggest a dedicated operation in electrical test equipment. The range of supported standards and test functions underscores its technical expertise in safety compliance.