At Stonebridge Electromechanical Engineering (SEMEG), we provide a full suite of electrical and mechanical testing services to ensure that equipment meets the highest standards of safety, reliability, and performance. Our testing capabilities support clients throughout the lifecycle of their assets-from commissioning to ongoing condition monitoring and fault diagnosis. We are capable of performing all routine tests in accordance with the relevant SANS and IEC standards. Our test facilities are currently being upgraded.
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Our Testing Capabilities Include:
Transformer Testing: Insulation resistance, winding resistance, ratio testing, oil dielectric strength, partial discharge, and load/no-load loss analysis.
High Voltage Testing: Applying controlled voltage stress to verify insulation integrity and ensure safe operating performance.
Switchgear & Substation Testing: Functional testing, contact resistance measurement, relay testing, and trip timing analysis.
Condition Monitoring: Predictive diagnostics using advanced tools such as thermal imaging, dissolved gas analysis (DGA), and vibration monitoring.
Factory Acceptance Testing (FAT) & Site Acceptance Testing (SAT): Ensuring equipment performance meets specifications before and after installation.
Compliance & Certification Testing: Verifying systems against relevant industry standards and regulatory requirements.
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Why SEMEG Testing?
Accuracy & Precision: State-of-the-art testing equipment for dependable results. Our test bay employs top quality test instruments, maintained and calibrated by SANAS accredited labs.
Expert Engineers: A skilled team with decades of hands-on experience in transformers, substations, and sheet metal applications.
Preventive Insight: Identifying risks early to avoid costly breakdowns and extend equipment lifespan.
On-Site & Workshop Testing: Flexible services conducted either at client facilities or within our Germiston-based factory.
Cross-Border Support: Available across South Africa and neighbouring Southern African countries.
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Through rigorous testing, SEMEG ensures that every piece of equipment operates safely, efficiently, and in line with industry best practices, giving our clients peace of mind and long-term value from their assets.