... 00Hz Output voltage range: AC 0.0-300. Adjustable AC Power Source Specification:• AC-DC-AC frequency conversion technology • Digital wave ... bits MCU, which has high automation• High speed 12 bits A/D sampling technology, exactly display Voltage, Current, Power, Power factor, Frequency • Zero ... 2.1A (LSP-500VAR has RS-232 port can communicate with PC)LSP-1KVALSP-1KVAR1000W0~150V: 8.4A, 150~300V: ...