Honeywell All Metal Pressure Sensors, MLH Series, Pressure Range 0 PSI to 500 PSI, Units in PSI, Measurement Sealed Gage (psi)4, Electrical Termination DIN 43650-C, 8 mm-male, Pressure Connector 1/4-18 NPT, Output Type 4 mA to 20 mA, Diaphragm Seal - Advanced Thick Film (ATF).