... Communication CE, RoHS, ISO9001 BC808-G Intelligent Digital Controller RS485 Size: A:96×96mm D:72 ... , direct current, resistance can be input freely Modules L2, L4, G, W1, X, X5, K1, K5/K7, ... supply isolation,5V±5%,up to 50mA ALL DIGITAL ELECTRICAL METERS We are the manufacturer in ... Jiangsu of China and specialize in producing digital electrical meters and temperature controller, humiture controller, ...