I [...] a modis .I'm using a5v.d,c, input. 0-500 pp.s.i transducer also have a 0-100 p.s.i using 12 volt supply from test vehicle through a 5v reg, transducer. operating range is .5 to 4.5 v.d.c. .I can get a pattern .but it just aint good enough I feal the T... Login to read more.