This SW5250A -3-3-2 is in good condition and was factory calibrated by Ametek last year and not used since. It has Power factor corrected, 187-264 VRMS (L-L), 3-wire AC input, GPIB communication and has test and measurement function turned on. It has factory NIST calibration with test data performed on 6/12/2016, included. It also just had a new LCD panel installed. It comes with 30 day warranty.