Ключевые слова:
Detectors, Gas detectors, Electrically-operated devices, Protected electrical equipment, Gases, Vapours, Oxygen, Flammable atmospheres, Explosive atmospheres, Signal devices, Alarm systems, Safety devices, Occupational safety, Industrial, Fixed, Portable, Permanent, Temporary, Safety measures, Selection, Installation, Maintenance, Environment (working), Calibration, Inspection, Personnel, Training, Instructions for use, Working range, Fire safety, Testing conditions, Performance testing