The 1151 offers a variety of configurations for Differential, gage, absolute and liquid- level Measurements including integrated solutions for Pressure, level, and flow. High pressure models allow Static line pressures up to 4500 psi (310 bar). The 1151 offers a variety of configurations for Differential, gage, absolute and liquid- level Measurements including integrated solutions for Pressure, level, and flow. High pressure models allow Static line pressures up to 4500 psi (310 bar).