Industrial Motors: Insulation Class Checks, Vibration Testing, and Full-Load Temperature Rise

Industrial Motors: Insulation Class Checks, Vibration Testing, and Full-Load Temperature Rise

When you order industrial motors from a Chinese manufacturer, three invisible failure modes decide w...

Circuit Breakers (MCB/MCCB): Tripping Characteristic Tests and Short-Circuit Breaking Capacity

Circuit Breakers (MCB/MCCB): Tripping Characteristic Tests and Short-Circuit Breaking Capacity

A circuit breaker that looks right, feels solid, and carries the correct markings but hasn't been pr...

Sensors (Temp/IR): Output Signal Accuracy Calibration and Response Time Testing

Sensors (Temp/IR): Output Signal Accuracy Calibration and Response Time Testing

You've sourced a batch of temperature or infrared sensors from a Chinese manufacturer. The datasheet...

Electronic Switches: Mechanical Lifecycle Testing and Actuation Force Inspection

Electronic Switches: Mechanical Lifecycle Testing and Actuation Force Inspection

A faulty switch rarely announces itself during production. It announces itself six weeks later — whe...

Electronic Transformers: Inductance Testing, Dielectric Strength, and Temperature Rise under Load

Electronic Transformers: Inductance Testing, Dielectric Strength, and Temperature Rise under Load

A transformer that meets its rated specifications at room temperature with no load is not the same t...

Capacitors & Resistors: Tolerance Screening and Voltage Withstand Testing

Capacitors & Resistors: Tolerance Screening and Voltage Withstand Testing

A capacitor or resistor that measures within spec at room temperature on the factory floor is not th...