The OMD-525X series oxygen analyzer is a wall mount NEMA4X / IP66 enclosed unit designed for outdoor use. The electronics are highly reliable and feature packed with a very easy-to-use MENU interface. Electronic features include 4 – 20mA output, RANGE ID 1 – 5VDC output, 2 alarm relay contacts, multiple ranges and a 10 – 28VDC or 100 – 240V AC power input, and a USB data logging feature. The oxygen sensor is based on the galvanic electrochemical fuel cell principal and is manufactured in house under a strict quality procedure.