Transmitter Showing Result JD194-BS4U3T three phase voltage transmitter JD194-BS4I3T three phase voltage transmitter with RS-485 surface and Modbus protocol is used for measuring three phase voltage signal, isolated transmission and output three ways of 4-20mA signal. Back Envelope Instagram Shopping-bag Whatsapp Contact Us Jl. Rungkut Asri Utara XIV No.10, Kali Rungkut. Surabaya, Jawa Timur 60117 Phone: (031) 595 3809 / 595 1301 Email: Sales.bles@lestarielectric.co.id