SM39 - DH01P HART protocol of intelligent pressure transmitter is a high precision, high stability, multi-parameter, four half LCD display intelligent pressure measurement products, in line with the HART protocol. Users can use the HART, com on in the process of operation of the HART instrument for management, adjust or monitoring of process variables, on-site configuration can also use buttons, easy to operate. This product adopts the latest digital technology in the field of sensor manufacturing application results, combined with the most advanced design and manufacturing technology of pressure transmitter, precision digital temperature compensation and nonlinear correction technology, safe and reliable explosion-proof structure design and standard signal output, high precision, wide coverage range, is suitable for the need for precision measurements of fluid pressure. This product is a two wire system works, two wire system can directly replace analog 4 ~ 20 madc output transducer. Can be widely used in petroleum, chemical, steel, electricity, building materials, textile, pharmaceutical, food, gas, scientific experiments and military industry and other fields, has been in daqing, north China, xinjiang and so on various application fields, with its high precision, high reliability, simple installation, convenient maintenance, environmental protection durable characteristic win user acceptance.