The NTM-P is a replacement for Dixon Ametek BE 101 and BE 051 meters. The housing is an industry standard 1.39"W x 6.6"H x 3.67"D available in plastic. This single channel Bar-Digital meter/controller is available in loop (4-20mA), A.C. signal or external power to replace fit, form and function any analog or digital panel meter. Our Powerless (loop/signal) versions only consume <60mW, comparable to an analog meter! The external power series features over 30 signal conditioners.