The QuikCal pressure modules display in 20 engineering units. Match the process within 0.025% of reading in psi, pa, Kpa, Mpa, BAR, mBAR, Atm, Kgf plus torr, inches and mm of Hg or H20 at a variety of temperatures. Each module is characterized for temperature to give the user a laboratory accuracy in the shop, control room or field. This product has a Speed sensitive digital pot for fast output adjustment. It provides ab easy-to-read large character LCD with selectable backlighting. In addition, The said model Simulates transmitter input while simultaneously powering 2-wire transmitters and displaying milliamp or % 4—20 output on the dual display. This also includes a carrying case with neck strap for hands-free viewing plus detachable leads, alligator clips, test probes & spade lugs.