The core functions of transformer testers include measuring key parameters such as turns ratio, DC resistance, no-load and load losses, and insulation performance, enabling a comprehensive assessment of the transformer's operating status.
These instruments can quickly detect the winding turns ratio, connection group, polarity, and error (turns ratio test), measure winding DC resistance to determine welding quality and contact condition, and evaluate core performance and short-circuit impedance through no-load and short-circuit tests.
Modern equipment also integrates functions such as temperature rise monitoring, capacity determination, and energy efficiency rating identification. Some high-end models support automatic wiring identification, data storage, on-site printing, and remote transmission.
