LUTRON DW6091 POWER ANALYZER

Multi-functions : WATT, VA, Whr, Power factor, ACV, ACA, Hz.
RS-232 output interface.
Built-in data hold function.
True AC power ( Watt) & apparent power ( VA) measurement.
Exclusive custom exclusive design LSI circuit, provides high accuracy, reliability and durability.
True rms display for ACV, ACA. * Built-in over input indication.
Supper large LCD, easy to read-out, display the Watt, Power factor, Voltage & Current value at the same time.
Power supply by batteries.
Built-in low battery indicator .
Auto range.
Durable plastic housing case with handle.