How using a 5 ppm calibration standard affects the accuracy of legacy Interscan GF-1900 sulfuryl fluoride monitors

Defining Our Terms As defined in the ANSI/ISA–51.1–1979 (R1993) standard entitled Process Instrumentation Terminology. “Accuracy” is the degree of conformity of an indicated value to a recognized accepted standard value, or ideal value. “Accuracy rating” is a number or quantity that defines a limit that errors will not exceed when a device is used under…