HMX Series pressure transmitters with HART communication protocol for use in high temperature environments with explosive atmosphere presence Exposed Capillary • Pressure ranges from: 0-17 a 0-2000 bar/0-250 a 0-30000 psi • Extensimetric measurement principle with Wheatstone bridge • Calibration signal 80% FSO internally generated • Completely interchangeable with all existing products • Protection level: IP65 (6-pin connector) • 1/2-20UNF, M18x1.5 standard threads; other types available on request • Standard diaphragm is 15-5 PH stainless steel with GTP coating • 17-7 PH corrugated stainless steel diaphragm with GTP coating for ranges below 100 bar-1500 psi • Other diaphragm types available on request • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)