194L series mini power meter cancel some advanced features of BJ-194Z series network multifunction power meter with compact size display all basic electrical parameter. With lower cost effective choice for most electrical monitor application. based on this power meters you can simply set up a monitoring system with the IPC and central software. It can replace the traditional analog or many digital measurement instruments (such as ammeter voltmeter power meter power factor meter frequency meter etc.) with the advantages of improving system reliability making the on-site wiring convenient and reduce system cost. Optional digital I/O port and with serial port BJ194L-ASY mini multi-function meter can connect with PC; and use Modbus to set programming and read the data.