The LBD bar graph has a digital display, backlight, and serial I/O.
It comes in a 1.74 5.70-in. all-metal case only 2-in. deep including screw terminal connectors, and is available loop or USB powered. The loop-powered LBD is used as a display only. The USB-powered LBD uses 4-to-20-mA retransmission and a complete command set including polynomials, X-Y tables, and math functions.
4016 E. Tennessee St., Tucson, AZ 85714,