Smart Pressure Transmitter with co HART protocol is divided into two types, and with 482 or RS232 interface. Smart pressure transmitter with HART protocol is superimposed on a dedicated frequency signal on the principle of differential pressure transmitter analog signals, analog and digital at the same time to communicate. Smart pressure transmitter inside with RS232 or 485 of the analog signal A / D conversion by the microprocessor to calculate the D / A output. High-performance SmartLine Guided Wave Radar Level Transmitter with industry-leading technology standards of the importing differential pressure transmitter, it can provide users with the best experience of application testing. Line inspection tool using which the user can enter specific reservoir technical data to verify the correct application level transmitter, which can be delivered smoothly to on-site installation of the box. st3000 differential pressure transmitter | Hua Hui Technology (online consultation) | differential pressure transmitter provided by the Jinan-Technology Co., Ltd. Jinan Huahui Technology Co., Ltd. (www.cnhuahui.com/) Shandong Jinan, pressure meters leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. - Technology leader in China with the staff warmly welcome all inquiries negotiations to create Hua Hui Technology better future.