"The DPMS-PM is several instruments in one:","- Digital Power Meter - Power Transducer - IED (Intelligent Electronic Device) Save on installation, panel space and unit cost with our combined functionality.","Measurements","- Voltage, Current, Frequency - Watts, Vars, VA, Power Factor - Watthour, Varhour - Harmonics (current & voltage THD) - TLC (Transformer Loss Compensation)","Large Bright Display","- Large 0.56 H seven segment LEDs - Three rows x 5 Digit LEDs for simultaneous display per phase - Scrolling function displays all measurements"