The ergonomically designed Wahl C150 On-Site multifunction calibrator features built-in “easy connect” terminals, portable and bench top flexibility, and easy-to-use intuitive embedded software. Fully protected with an external anti-shock rubber boot with IP 54 rating, it features five user-selectable languages, 0.005% accuracy over 1 year, NIST traceability and HART transmitter compatibility. It has an adjustable contrast and programmable backlit display.