... 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: ... adjustable).LSP-1KVA: AC to AC Power Supply. Output Power 500W or 1000W.LSP-5KVA: PWM Type AC to AC Transformer. Output Power 3000W or 5000W. ...