Since 1969, the innovative Rosemount 1151 Pressure Transmitter has provided the process control industry with unsurpassed service. With over four million transmitters in service worldwide, the 1151 continues to offer industry leading value and quality. The Rosemount 1151 is world-renowned for proven field performance, reliability, and longevity. Measure differential, gage, and absolute pressure or liquid level. Ranges from 0–2 in H2O to 0–6,000 psig. The microprocessor-based technology ensures enhanced performance and reliability, and provides an easy two-way interface between the field and control room. HART digital communications protocol