Electrical apparatus for use in the presence of combustible dust. Part 2. Test methods. Section 2. Method for determining the electrical resistivity of dust in layers
Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 2-032. Particular requirements for hand-held and hand-manipulated current sensors for electrical test and measurement
State system for ensuring the uniformity of measurements. State verification schedule for means measuring power of electromagnetic waves within frequency range from 0,03 to 37,50 GHz
