Rocksensor smart Gauge/ Absolute Pressure Transmitter RP1002/3 is suitable to measure liquid, gas, or steam flow as well as liquid level, density and pressure and then output a 4~20mADC HART7 signal. These transmitters are ATEX, IECEx, SIL3, CE, HART7 & 3A certified. RP1003 Smart Absolute Pressure Transmitter can even measure extremely low vacuum (2mmHg abs) and this feature makes Rocksensor as one of the rarest companies offering solution to measurement of such a low pressure.