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Intrinsic safety equipment mainly achieves the requirements of intrinsic safety and explosion prevention by controlling the electrical parameters of the equipment circuit and limiting the energy of the entire circuit. The main measures are to reduce voltage and current, and control the parameters of energy storage components such as inductors and capacitors.

This requires customers to refer to the design requirements for intrinsic safety circuits in GB/T3836.1 and GB/T3836.4 when designing circuits. If the customer is not familiar with this standard themselves, significant changes will be required for product inspection in the later stage.

When applying for intrinsic safety certification, customers need to provide electrical schematics, PCB diagrams, circuit BOM tables, product assembly drawings, instructions, enterprise standards, and other materials.

The main testing items of intrinsic safety equipment include structural inspection, spark ignition test, drop test, IP test, temperature test, dielectric strength test, battery and battery pack test, and surface resistance measurement of non-metallic material shells.

If you also have products that require intrinsic safety certification, you can contact Shenzhen Zhongnuo Testing Technology Co., Ltd!