Preferred for Electrochemical Corrosion Testing: High-Precision Salt Spray Test Equipment

Shanghai – TOBO GROUP, a leader in electronics-focused testing solutions, is proud to launch the ElectroGuard Pro Salt Spray Tester—a specialized system engineered to simultaneously measure corrosion damage and electrical performance degradation in electronic components, addressing a critical pain point for consumer electronics, IoT, and automotive electronics manufacturers. Traditional salt spray testers only evaluate visual or structural corrosion (e.g., rust on metal casings) but fail to track how salt fog impacts electrical functionality—such as connector conductivity, circuit board insulation, or sensor signal integrity. This gap forces teams to run separate corrosion and electrical tests, adding time and risk: a component that looks “corrosion-free” might still suffer hidden electrical failure, leading to product recalls or field malfunctions. The ElectroGuard Pro bridges this divide by integrating corrosion testing with real-time electrical monitoring, making it ideal for testing smartphones, wearables, IoT sensors, automotive infotainment systems, and industrial control boards. It combines ASTM/ISO-compliant salt spray exposure with precision electrical measurement tools, ensuring teams catch both visible corrosion and hidden electrical degradation in one streamlined workflow.
At the core of the ElectroGuard Pro is its Dual-Mode Corrosion & Electrical Monitoring System, which tracks both physical and functional damage in parallel. The system includes a standard salt spray chamber (maintaining 3–5% NaCl, 35°C ±0.3°C) paired with a high-precision electrical test bench that connects directly to samples via micro-probes, spring-loaded connectors, or custom fixtures. Users can monitor key electrical parameters in real time during salt spray exposure: conductivity/resistance for connectors, switches, or PCB traces (measuring changes as small as 0.01Ω); insulation resistance for circuit board layers or cable jackets (detecting leakage current from salt ingress); and signal integrity for IoT sensors or communication modules (tracking signal-to-noise ratio or data transmission errors). A smartphone manufacturer using this system to test USB-C connectors discovered that a batch of components showed no visible corrosion after 48 hours of salt spray—but their resistance had increased by 5Ω, enough to cause charging failures. “We would have shipped these connectors if we’d only done visual testing,” says their QC engineer. “ElectroGuard Pro caught the hidden electrical degradation, saving us a potential $2M recall.” The system triggers automatic alerts when electrical parameters drift beyond user-defined thresholds (e.g., “Connector resistance >2Ω”), letting teams intervene before full failure.
Complementing this is the Micro-Precision Sample Fixturing Suite, designed for the small, delicate nature of electronic components. Traditional testers use generic racks that risk damaging tiny parts (e.g., 0402 surface-mount components) or fail to maintain consistent electrical contact during testing. The ElectroGuard Pro’s fixtures include anti-static ESD-safe holders to prevent electrostatic damage to sensitive ICs or memory modules, customizable micro-probe arrays that target specific pads on PCBs or connectors without physical stress, and sealed electrical feedthroughs that protect external test equipment (e.g., multimeters, oscilloscopes) from salt fog while maintaining reliable connections. An IoT sensor manufacturer testing humidity sensors (with 2mm-wide circuit boards) relied on these fixtures: “Our old tester’s racks bent the boards or disconnected probes mid-test,” explains their R&D lead. “ElectroGuard Pro’s micro-fixtures hold the sensors securely, and the sealed feedthroughs let us monitor signal output while salt spray hits the component—exactly how it behaves in the field.”
“Electronics fail not just because they rust—because corrosion breaks their electrical heart,” says TOBO GROUP’s Electronics Testing Director. “ElectroGuard Pro doesn’t just watch for rust; it watches for the functional cost of corrosion. For teams building devices that rely on both durability and performance, that’s the difference between a product that lasts and one that fails in the field.”
For more information about the ElectroGuard Pro Salt Spray Tester—including electrical measurement specs, fixture customization options, and electronics industry case studies—visit Info@botomachine.com.