Safety requirements for electrical equipment for measurement, control, and laboratory use—Part 7: Safety requirements for hand-held and hand-manipulated probe assemblies for electrical measurement and test
Safety requirements for electrical equipment for measurement, control, and laboratory use—Part 17: Particular requirements for equipment intended to be used in educational establishments by children
Safety requirements for electric equipment for measurement, control, and laboratory use—Part 4: Particular requirements for climatic and environmental testing and other temperature conditioning equipment