Power factor meter
![](../res/img/uni_lang/et/ET.Sensor.PowerFactorMeter.png)
![](../res/img/uni_lang/et/WattMeter.jpg)
Effective power factor is measured in AC circuits with the power factor meter. The measuring instrument is equipped with a current path (terminals 1 and 3) and a voltage path (terminals 4 and 2). Connect the measuring instrument’s current path like an ammeter and the voltage path like a voltmeter.