FAIRCHILD MAKE EXP-PROOF 1/P TRANSDUCER, MODEL NO. TFXI-7800-403E, INPUT SIGNAL : 4-20 MA, PRESSURE RANGE: 6 TO 30 PSIG, AIR SUPPLY PRESSURE: 1.5 TO 8 BAR, ENCL PROTECTION : CL,1,DIV 1,GR B,C&D, CL 1,DIV 2, GR A,B,C, PNEUMATIC CONN : 1/4” NPTF, ELECTRICAL CONN : 1/2” NPTF