タイトルまたは説明

1. General
SPD**0 DC Power Meter is designed for photovaltic system and telecom station. They can collect the current, the voltage, the power, the energy on the DC circuit. And they can justif the current direction to count the energies of different direction.
They all have standard RS**5 interface and one alarm (Program setpoint). By STAND*0 software, the users may collect SPD DC power meter by computer and store the data in the disc for data searcing and data printing in future. By their 4 front s, we may program their shunt ratio and RS**5 commnuncation parameter.
They are all designed completely according to EN****6 and EN****0.

2. Features