The Loop Leader PD6600 series of loop-powered meters are 1/8 DIN process meters and rate/totalizers designed for demanding applications. Their unique dual-line LCD displays, featuring five digits on the top line and eight digits on the bottom line, loop-powered backlight with a red backlight option for alarm conditions, and optional bargraph or feet & inches displays provide a clear and attractive presentation of the process. The Loop Leader PD6600 series features models that are intrinsically safe and nonincendive for use in hazardous environments under UL, ATEX, and IECEx standards. The fact that these meters are loop-powered means that there is no need to run additional, costly power lines; the meter gets all of the power it needs from the 4-20 mA loop. It doesn't matter if it's indoors or outdoors, in bright sunlight or a dimly lit plant, or in an area that is wet, dirty, hot, or cold, the Loop Leader can go just about anywhere.