The Tektronix Series of Power Analyzers offer 1 to 4 input modules (depending on the model), which enables the user to configure the power analyzer to suit their specific application. These power analyzers can be used for applications such as: inverters, motor drives, power conversion, standby power, UPS, electrical propulsion, consumer electronics, power generation, frequency converters, high-efficiency lighting, and electric and hybrid vehicles. The PA4000 can provide precise, multi-channel energy, efficiency, and power measurements; this model also has high-range and low-range internal current shunts in every input module.