3333 Power HiTesterSingle Phase AC Power HiTester with Voltage, Current, Active Power, Apparent Power, and Power Factor The Hioki 3333 Single Phase Direct Input AC Power Meter is designed to precisely measure the power consumption of electrical household appliances on production lines. High accuracy (0. 1% rdg. 0. 1% f. s. ) Maximum cost performance Measurement lines Single phase two wire Measurement items Voltage, Current, Active power, Apparent power, Power factor