HR320 series intelligence pressure transmitter use top quality pressure components with mixed signal processing technology and unique compensation methods to realize Full Scale digital linear calibration, full temperature digital compensation to improve the precision of the transmitter.  part of Circuits have power and watchdog monitor, so the reliability of transmitter improved remarkably,we have many kinds of  these products, they are widely used in pressure measurement of Petrochemical, hydrology and water conservancy, geological prospecting, shipping industry etc.