EJA438E Diaphragm Sealed Gauge Pressure Transmitter is Yokogawa's most recent evolution product. It can be used to measure liquid, gas, or steam pressure. EJA438E outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications and self-diagnostics. FOUNDATION Fieldbus, PROFIBUS PA and 1 to 5 V DC with HART (Low Power) protocol types are also available.