UL 1244: standard for safety--electrical and electronic measuring and testing equipment.
D000056:Accident Prevention; D019411:Clinical Laboratory Techniques / Q000295:instrumentation; D004560:Electricity; D004581:Electronics / Q000295:instrumentation*; D006801:Humans; D008370:Manuals as Topic; D012015:Reference Standards; D012449:Safety; D012952:Societies; D014481:United States