... ISO Toky DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh, ... ;2) 240*160 dot big LCD for display.3) Two On-Off Input / Output, with remote control RS485 Modbus ... True effective value measuring;6) Two alarm output for Voltage, Current, Power Factor, Active Power, Reactive Power;7) Transformed analog output 4- ...