Flammable atmospheres
Transportable
Response time
Electromagnetic compatibility
Calibration
Gases
Orientation
Battery-powered devices
Fixed
Gas analyzers
Performance
Vapours
Pressure
Electric power systems
Electrical equipment
Temperature
Detectors
Voltage fluctuations
Portable
Strength of materials
Alarm systems
Explosive atmospheres
Concentration (chemical)
Humidity
Mining equipment
Gas detectors
Measurement characteristics