Global Gas detection Equipment Market Size study, by Sensor Type (Infrared Sensors, Electrochemical Sensors, Metal Oxide Semiconductor Sensors), End Use (Oil & Gas, Water Treatment, Semiconductors, Mining, Building Automation and Construction, Power Generation/Utilities) Power Source(Battery-Powered Gas Detectors, Hardwired Gas Detectors with Backup Batteries, Hardwired Gas Detectors without Backup Batteries) and Regional Forecasts 2020-2027