Buzmatics RPS-0G003-0E10-W20 Remote Pressure Sensor, 15-24VDC Supply Voltage, 33-45mA Supply Current, 0-10 VDC Output Signal Voltage, 4-20mA Output Signal Voltage, 10W Output Impedance Voltage, 75-150W Output Impedance Current. Marsh Bellofram 501-250-79,