What is the significance of performing a 'bump test' on a gas detector before entering a potentially hazardous area?

The significance of performing a 'bump test' on a gas detector before entering a potentially hazardous area is to quickly verify that the sensor is responding to its target gas and that the alarm is functioning correctly. A gas detector is a portable or fixed device used to detect the presence and concentration of specific gases, such as hydrogen, carbon monoxide, or hydrogen sul....