Installations for electroheating and electromagnetic processing. General performance test methods|Resistance measurement, Testing conditions, Flow measurement, Electromagnetic compatibility, Infrared radiation, Voltage measurement, Microwaves, Test equipment, Electrical measurement, Low-temperature testing, Heating equipment, Electric furnaces, Melting, Humidity measurement, Industrial, High-temperature testing, Performance testing, Electrical insulation, Dielectric-strength tests, Cooling systems, Plasma, Electric heaters, Electrical equipment, Furnaces