HPT-3 intelligent pressure transmitter is an intelligent pressure measurement product with high accuracy, high stability, multi-parameter and four digits LCD display. It conforms to Hart protocol.The product uses the most advanced digital technique, and reliable ex-proof construction for production and whole  product has high accuracy, and local display indictor could be widely used on pressure measure in outdoor application,  such as petroleum, chemi-industry, metallurgy and power station, etc.For signal output 4-20mA,RS485 and RS232 are optional.