We are offering intelligent smart pressure controller.Fst500-203 intelligent pressure controller is a integrated instrument combined with pressure transmitting, live pressure digital display, control or alarm. its high performance makes itself can take over the old hall and electrical switches. using 4-digital display to show live pressure value. the product can be adjusted on zero point and is featured with strong resistance against overpressure, overflowing, and reverse direction protection. applicable scopegas-liquid dual-capable can be used in : pump control, storage tank monitor, liquid level control, filter blocking and monitor, leakage surveillance.Industrial process testing and controlself-controlled and constant-pressured water supply in buildingpetrochemical, environmental protection, water conservancy, light industry, machinery, metallurgymeasuring and control in other systems standard rangepressure type: gauge pressure, absolute pressure.Pressure ranges(bar):1 1.6 2.5 4 6 10 16 25 40 60 100 160 200 250 300 400 500 600pressure ranges(psi):15 30 50 75 100 200 300 500 750 1k 1.5k 3k 5k 10k