The NTM-6 housing is a replacement for T.A. Bailey "RY" and Dixson SH101 / SH202 / BG101 / BG202P meters. Industry standard housing 1.4”W x 7"H x 3"D in metal. This unit houses up to 2 channel and 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.